Computer virus
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The document discusses computer viruses and antivirus software. It defines computer viruses as malicious software that can infiltrate or damage systems without consent. It notes that viruses need a host program to spread, while worms do not. The document recommends using antivirus software and taking computers to experts to keep systems safe from viruses. It provides criteria for choosing antivirus software, including detection abilities, interface, memory usage, and price. BKAV, a free antivirus software developed in Vietnam, is recommended as a suitable low-cost option.
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Computer viruses
This document provides an overview of computer viruses and antivirus software. It defines viruses as small programs that replicate and have negative effects. Examples of viruses are listed, along with how they enter computers through downloads, USB drives, etc. The document then discusses how to protect computers from viruses through antivirus software, firewalls, and backups. It defines antivirus software, describes how it works through scanning and virus definitions, and lists popular antivirus examples like Norton and Kaspersky. Finally, tips are provided on how to select the right antivirus for your needs and operating system.
Computer virus
Computer viruses are programs that spread by infecting other programs and files. They spread through infected data or programs copied from one system to another, or through email and internet files. There are different types of viruses like boot sector viruses, file infecting viruses, and program viruses. Viruses can damage systems by corrupting and deleting files, slowing performance, and erasing data. It is important to use antivirus software to scan for and remove viruses, keep backups, and avoid opening unknown files.
Virus and antivirus
Viruses can infect computers and spread from one system to another. Antivirus software identifies and removes viruses, worms, and other malware. It also protects against future attacks. Antivirus programs scan files and compare them to virus definitions to identify infected files for removal or quarantine. They also work to prevent the spread of viruses by examining files during activities like email and removable media use. General precautions include regularly updating antivirus software and other programs, and scanning removable media for viruses before use.
Virus and worms
Viruses and worms are malicious programs that can damage computers. Viruses attach themselves to files and spread when those files are opened, while worms can spread automatically from one computer to another without human action. Basic virus structure involves looking for infectable objects, infecting them, and then returning control to the infected program. Worms differ in that they replicate and spread automatically between systems rather than needing a host program. Protecting against viruses and worms involves keeping systems updated, using antivirus software, conducting regular scans, and employing a firewall.
Computer virus
This document provides information about computer viruses presented by a student group. It defines a computer virus, describes common types of viruses like Trojans and worms, and explains how viruses infect systems. The document also outlines signs of a virus attack, how to create a virus for educational purposes only, and methods for protecting against and removing viruses like installing antivirus software and deleting suspicious files. The presentation aims to educate users about computer viruses and promoting safe computing practices.
Presentation on computer viruses
This document provides an overview of computer viruses. It discusses how viruses spread by attaching themselves to files and transferring between computers. Various types of viruses are described like boot viruses, polymorphic viruses, macro viruses, worms, and trojans. Symptoms of a virus infection include slow performance, reduced memory, and files becoming corrupted. The document recommends installing antivirus software, regularly updating it, and being cautious of email attachments to prevent and cure virus infections.
Different Types Of Computer Viruses
Computer virus is a harmful software program written intentionally to enter a computer without the user's permission or knowledge. There are different types of viruses which can be classified according to their origin, techniques, types of files they infect, where they hide, the kind of damage they cause, the type of operating system, or platform they attack.
http://computerdoctor-bg.com/
Anti virus
1. The document discusses computer viruses and antivirus software. It defines a computer virus as a malicious program that can damage or corrupt data without the user's knowledge.
2. It describes different types of viruses and malicious software like worms and trojans. It also explains that antivirus software identifies and removes viruses and other malware from infected computers to protect the system.
3. The document outlines how antivirus software works using a virus dictionary to examine files and detect any matches to known virus code. It provides symptoms of an infected system and precautions users should take like regularly scanning removable media and keeping software updated.
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Computer viruses
This document provides an overview of computer viruses and antivirus software. It defines viruses as small programs that replicate and have negative effects. Examples of viruses are listed, along with how they enter computers through downloads, USB drives, etc. The document then discusses how to protect computers from viruses through antivirus software, firewalls, and backups. It defines antivirus software, describes how it works through scanning and virus definitions, and lists popular antivirus examples like Norton and Kaspersky. Finally, tips are provided on how to select the right antivirus for your needs and operating system.
Computer virus
Computer viruses are programs that spread by infecting other programs and files. They spread through infected data or programs copied from one system to another, or through email and internet files. There are different types of viruses like boot sector viruses, file infecting viruses, and program viruses. Viruses can damage systems by corrupting and deleting files, slowing performance, and erasing data. It is important to use antivirus software to scan for and remove viruses, keep backups, and avoid opening unknown files.
Virus and antivirus
Viruses can infect computers and spread from one system to another. Antivirus software identifies and removes viruses, worms, and other malware. It also protects against future attacks. Antivirus programs scan files and compare them to virus definitions to identify infected files for removal or quarantine. They also work to prevent the spread of viruses by examining files during activities like email and removable media use. General precautions include regularly updating antivirus software and other programs, and scanning removable media for viruses before use.
Virus and worms
Viruses and worms are malicious programs that can damage computers. Viruses attach themselves to files and spread when those files are opened, while worms can spread automatically from one computer to another without human action. Basic virus structure involves looking for infectable objects, infecting them, and then returning control to the infected program. Worms differ in that they replicate and spread automatically between systems rather than needing a host program. Protecting against viruses and worms involves keeping systems updated, using antivirus software, conducting regular scans, and employing a firewall.
Computer virus
This document provides information about computer viruses presented by a student group. It defines a computer virus, describes common types of viruses like Trojans and worms, and explains how viruses infect systems. The document also outlines signs of a virus attack, how to create a virus for educational purposes only, and methods for protecting against and removing viruses like installing antivirus software and deleting suspicious files. The presentation aims to educate users about computer viruses and promoting safe computing practices.
Presentation on computer viruses
This document provides an overview of computer viruses. It discusses how viruses spread by attaching themselves to files and transferring between computers. Various types of viruses are described like boot viruses, polymorphic viruses, macro viruses, worms, and trojans. Symptoms of a virus infection include slow performance, reduced memory, and files becoming corrupted. The document recommends installing antivirus software, regularly updating it, and being cautious of email attachments to prevent and cure virus infections.
Different Types Of Computer Viruses
Computer virus is a harmful software program written intentionally to enter a computer without the user's permission or knowledge. There are different types of viruses which can be classified according to their origin, techniques, types of files they infect, where they hide, the kind of damage they cause, the type of operating system, or platform they attack.
http://computerdoctor-bg.com/
Anti virus
1. The document discusses computer viruses and antivirus software. It defines a computer virus as a malicious program that can damage or corrupt data without the user's knowledge.
2. It describes different types of viruses and malicious software like worms and trojans. It also explains that antivirus software identifies and removes viruses and other malware from infected computers to protect the system.
3. The document outlines how antivirus software works using a virus dictionary to examine files and detect any matches to known virus code. It provides symptoms of an infected system and precautions users should take like regularly scanning removable media and keeping software updated.
Computer virus
A computer virus is a program that installs itself and runs without permission on an infected computer. There are different types of viruses like email viruses, trojan horses, and worms. Viruses can spread through email attachments, websites, networks, software, and removable drives. Symptoms of a virus include slow performance, unexpected program/file changes, browser issues, and unauthorized emails sent from the infected device. People are advised to use antivirus software, practice safe browsing/email habits, keep systems updated, and use firewalls to protect against viruses. Popular antivirus programs are listed that can help keep computers secure.
introduction to malwares,virus,trojan horse
Malwares are software designed to infiltrate computers without the user's consent. They include viruses, worms, trojan horses, and more. Viruses can copy themselves and spread to other computers by exploiting network services or removable drives like USBs. Worms spread over networks without needing to be on files or disks like viruses do. Users should exercise caution when opening files from external drives since malwares sometimes spread by exploiting the autorun function.
Computer virus
The document discusses computer viruses, how they spread and affect systems. It describes how the first virus, called "Creeper, was created in 1970s and outlines common ways viruses enter systems like through email attachments. Different virus types are outlined like memory resident viruses, boot sector viruses and macro viruses that hide in various parts of the system. Symptoms of virus infection and basic prevention tips are provided.
Protecting Your Computer
This document discusses how to protect your computer from viruses. It explains that viruses are programs that can damage files and operating systems. It recommends installing antivirus software, which identifies and removes viruses from memory, storage, and incoming files. It also advises regularly updating the antivirus software, as new viruses emerge over time.
Viruses, Worms And Trojan Horses
Viruses, worms, and Trojan horses are malicious software programs that can infect computers. Viruses typically infect computers through opening infected email attachments and then replicate quickly, spreading from one computer to another worldwide. Some viruses just overwhelm email servers with messages, while others may lie dormant for a period of time before deleting files or entire hard drives. In 1988, a virus accidentally sent by a student infected over 6,000 computers in minutes, nearly crashing the internet. To protect against these digital threats, users should run regular antivirus software to scan incoming emails and files for infections.
Avoiding email viruses
Why forward emails? Why worry about opening attachments? And what is a virus? These questions and more are covered in this short presentation.
computer virus
This document discusses different types of computer viruses and how they spread. It defines viruses, Trojan horses, and worms, explaining that viruses attach to files and disks to spread, Trojan horses disguise as games or software to damage systems, and worms clog systems to slow them down. It provides tips to help prevent viruses, such as always updating antivirus software, backing up files, changing boot sequences, and restricting sharing of drives without passwords or read-only settings. The overall message is that nothing guarantees 100% security but following best practices like using firewalls and antivirus software can improve protection.
Computer virus
A computer virus is a program that damages computer systems and destroys or erases data files. There are several types of viruses including time bombs, logical bombs, worms, boot sector viruses, macro viruses, Trojan horses, and script viruses. To prevent virus infections, users should always keep antivirus software updated, back up important files, change boot sequences, avoid sharing drives without passwords, empty removable disks before use, be wary of email attachments, get trained on antivirus software, have multiple backups, install all security updates promptly, and continually learn more about computer security.
Kinds of Viruses
Viruses, worms, and Trojan horses are types of malicious software (malware) that can damage computers. Viruses spread by attaching to host programs and replicating, worms spread across networks without user action, and Trojans allow hackers remote access. Some examples provided include the CIH virus from 1998 that overwrites partition tables, the 2001 Code Red worm that allowed network hacking, and the 2012 Trojan.Flame malware that stole data. Basic safety tips to avoid malware include keeping systems updated, using antivirus software, avoiding unsafe files/links, and being wary of suspicious messages.
Antivirus PPt
A computer virus is a type of malicious software program that can copy itself and spread from one computer to another. Viruses often disguise themselves as legitimate programs or documents to infect users' computers without their knowledge. Once installed, viruses can damage programs, delete files, display unwanted messages, or slow computers by clogging memory. To avoid detection, viruses may kill antivirus tasks before scanning can occur. Antivirus software works by scanning files for known virus signatures and behaviors. It is important to keep antivirus software up to date, avoid opening suspicious email attachments, only download files from trusted sources, and back up files regularly to prevent virus damage.
Computer virus
The document discusses computer viruses, including what they are, common symptoms, types, and methods of prevention. It defines viruses as malicious programs that replicate by modifying other programs and spread from computer to computer. The document outlines types like boot viruses, program viruses, and macro viruses. It also provides recommendations for prevention such as installing antivirus software, keeping systems updated, using strong passwords, and backing up files. The role of antivirus programs in detecting and removing malware through signature-based scanning is also covered.
Virus
This document discusses different types of malware like viruses, worms, Trojan horses, and blended threats. It provides definitions and explanations of each type. It also gives advice on how to prevent malware infections through practices like keeping antivirus software updated, not opening email attachments from unknown senders, keeping Windows updated, and using a firewall. The document outlines some signs that a computer may have a virus and provides steps people can take to check for and remove viruses, such as using an online scanner, the Malicious Software Removal Tool, or manually removing viruses by identifying them. It also explains what Data Execution Prevention is and how it helps protect against malware attacks.
COMPUTERS ( types of viruses)
The document provides information about computer viruses, including what they are, how they spread, notable early viruses, types of viruses, signs of infection, and how to detect and prevent viruses. It begins with acknowledging those who helped with the project. It defines a computer virus and explains how they replicate and cause harm. It discusses how viruses spread through various means like email attachments, networks, infected disks, and more. It notes that the first virus was Brain in 1986. It outlines different types of viruses like Trojans, spyware, worms, and more. It lists signs of infection like slow performance, apps not starting, and security programs being disabled. It concludes with tips for preventing viruses like using antivirus software, avoiding suspicious
Malware
Malware is a general term for harmful programs that are intentionally inserted into a system by exploiting vulnerabilities. It can damage or disturb the system. There are three main types: viruses, worms, and Trojan horses. Viruses replicate by modifying other programs, worms spread independently through networks, and Trojan horses masquerade as genuine programs to introduce viruses. Examples include virus Elk Cloner that attached to a game and activated after it was started 50 times, worm Sassar that spread through vulnerable network ports and slowed computers, and Trojan horse Beast that functioned as remote access tool giving attackers control over infected machines.
Computer virus
This document discusses computer viruses and malware. It defines viruses, trojans, worms, spyware, and adware. It describes how viruses spread and the signs of infection. It then discusses the history of antivirus software and how it functions to prevent, quarantine, and repair infections through updating virus definitions. Popular antivirus programs from 2012 are listed.
Antivirus software
antivirus software: consists of history, identification methods, popular anti viruses in the market, pros and issues of it.
Extremely basic ppt- can be used for college presentations & competitions- doesnt have enough info to be the winner, but certainly useful. :)
Virus & Anti Virus ppt
The document provides an overview of viruses and anti-viruses. It discusses how the first computer virus was created in the 1980s. It then describes common virus symptoms, different types of viruses like macro viruses and worms, and challenges with virus detection. The document also outlines how antivirus software works using virus dictionaries and behavior monitoring. It notes issues like performance impacts, potential automatic renewals, and limitations with detecting new viruses.
Rajul computer presentation
This document discusses computer viruses, including their definition, types, causes and effects, and prevention and cure. It defines a computer virus as a self-replicating piece of code that can attach itself to files or applications and cause unintended behavior on a computer. Common types include resident, direct action, overwrite, boot sector, and macro viruses. Viruses can spread by infecting the boot sector or programs run in memory. While they don't necessarily damage data, macro viruses in particular can slow computers down or damage documents. The best prevention methods are using antivirus software to continuously scan for viruses and keep definitions up to date, while the best cure is recovering from a backup and reinstalling the operating system if a virus is
Computer virus
The document discusses computer viruses and antivirus software. It defines computer viruses as malicious software that can infiltrate or damage systems without consent. It notes that viruses need a host program to spread, while worms do not. The document recommends using antivirus software and lists criteria for choosing software, including ability to detect viruses, usability, performance impact, and price. It suggests popular commercial options like KAV, Bit, and Norton but also promotes the free Vietnamese-made BKAV software as a suitable low-cost option.
Computer virus
The document discusses computer viruses and antivirus software. It defines computer viruses as malicious software that can infiltrate or damage systems without consent. It notes that viruses need a host program to spread, while worms do not. The document recommends using antivirus software and taking computers to experts to keep systems safe from viruses. It provides criteria for choosing antivirus software, including detection abilities, interface, memory usage, and price. BKAV, a free antivirus software developed in Vietnam, is recommended as a suitable low-cost option.
Computer virus
The document discusses computer viruses and antivirus software. It defines computer viruses as malicious software that can infiltrate or damage systems without consent. It notes that viruses need a host program to spread, while worms do not. The document recommends using antivirus software and lists criteria for choosing software, including ability to detect viruses, usability, performance impact, and price. It suggests popular commercial options like KAV, Bit, and Norton but also promotes the free Vietnamese-made BKAV software as a suitable low-cost option.
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Computer virus
A computer virus is a program that installs itself and runs without permission on an infected computer. There are different types of viruses like email viruses, trojan horses, and worms. Viruses can spread through email attachments, websites, networks, software, and removable drives. Symptoms of a virus include slow performance, unexpected program/file changes, browser issues, and unauthorized emails sent from the infected device. People are advised to use antivirus software, practice safe browsing/email habits, keep systems updated, and use firewalls to protect against viruses. Popular antivirus programs are listed that can help keep computers secure.
introduction to malwares,virus,trojan horse
Malwares are software designed to infiltrate computers without the user's consent. They include viruses, worms, trojan horses, and more. Viruses can copy themselves and spread to other computers by exploiting network services or removable drives like USBs. Worms spread over networks without needing to be on files or disks like viruses do. Users should exercise caution when opening files from external drives since malwares sometimes spread by exploiting the autorun function.
Computer virus
The document discusses computer viruses, how they spread and affect systems. It describes how the first virus, called "Creeper, was created in 1970s and outlines common ways viruses enter systems like through email attachments. Different virus types are outlined like memory resident viruses, boot sector viruses and macro viruses that hide in various parts of the system. Symptoms of virus infection and basic prevention tips are provided.
Protecting Your Computer
This document discusses how to protect your computer from viruses. It explains that viruses are programs that can damage files and operating systems. It recommends installing antivirus software, which identifies and removes viruses from memory, storage, and incoming files. It also advises regularly updating the antivirus software, as new viruses emerge over time.
Viruses, Worms And Trojan Horses
Viruses, worms, and Trojan horses are malicious software programs that can infect computers. Viruses typically infect computers through opening infected email attachments and then replicate quickly, spreading from one computer to another worldwide. Some viruses just overwhelm email servers with messages, while others may lie dormant for a period of time before deleting files or entire hard drives. In 1988, a virus accidentally sent by a student infected over 6,000 computers in minutes, nearly crashing the internet. To protect against these digital threats, users should run regular antivirus software to scan incoming emails and files for infections.
Avoiding email viruses
Why forward emails? Why worry about opening attachments? And what is a virus? These questions and more are covered in this short presentation.
computer virus
This document discusses different types of computer viruses and how they spread. It defines viruses, Trojan horses, and worms, explaining that viruses attach to files and disks to spread, Trojan horses disguise as games or software to damage systems, and worms clog systems to slow them down. It provides tips to help prevent viruses, such as always updating antivirus software, backing up files, changing boot sequences, and restricting sharing of drives without passwords or read-only settings. The overall message is that nothing guarantees 100% security but following best practices like using firewalls and antivirus software can improve protection.
Computer virus
A computer virus is a program that damages computer systems and destroys or erases data files. There are several types of viruses including time bombs, logical bombs, worms, boot sector viruses, macro viruses, Trojan horses, and script viruses. To prevent virus infections, users should always keep antivirus software updated, back up important files, change boot sequences, avoid sharing drives without passwords, empty removable disks before use, be wary of email attachments, get trained on antivirus software, have multiple backups, install all security updates promptly, and continually learn more about computer security.
Kinds of Viruses
Viruses, worms, and Trojan horses are types of malicious software (malware) that can damage computers. Viruses spread by attaching to host programs and replicating, worms spread across networks without user action, and Trojans allow hackers remote access. Some examples provided include the CIH virus from 1998 that overwrites partition tables, the 2001 Code Red worm that allowed network hacking, and the 2012 Trojan.Flame malware that stole data. Basic safety tips to avoid malware include keeping systems updated, using antivirus software, avoiding unsafe files/links, and being wary of suspicious messages.
Antivirus PPt
A computer virus is a type of malicious software program that can copy itself and spread from one computer to another. Viruses often disguise themselves as legitimate programs or documents to infect users' computers without their knowledge. Once installed, viruses can damage programs, delete files, display unwanted messages, or slow computers by clogging memory. To avoid detection, viruses may kill antivirus tasks before scanning can occur. Antivirus software works by scanning files for known virus signatures and behaviors. It is important to keep antivirus software up to date, avoid opening suspicious email attachments, only download files from trusted sources, and back up files regularly to prevent virus damage.
Computer virus
The document discusses computer viruses, including what they are, common symptoms, types, and methods of prevention. It defines viruses as malicious programs that replicate by modifying other programs and spread from computer to computer. The document outlines types like boot viruses, program viruses, and macro viruses. It also provides recommendations for prevention such as installing antivirus software, keeping systems updated, using strong passwords, and backing up files. The role of antivirus programs in detecting and removing malware through signature-based scanning is also covered.
Virus
This document discusses different types of malware like viruses, worms, Trojan horses, and blended threats. It provides definitions and explanations of each type. It also gives advice on how to prevent malware infections through practices like keeping antivirus software updated, not opening email attachments from unknown senders, keeping Windows updated, and using a firewall. The document outlines some signs that a computer may have a virus and provides steps people can take to check for and remove viruses, such as using an online scanner, the Malicious Software Removal Tool, or manually removing viruses by identifying them. It also explains what Data Execution Prevention is and how it helps protect against malware attacks.
COMPUTERS ( types of viruses)
The document provides information about computer viruses, including what they are, how they spread, notable early viruses, types of viruses, signs of infection, and how to detect and prevent viruses. It begins with acknowledging those who helped with the project. It defines a computer virus and explains how they replicate and cause harm. It discusses how viruses spread through various means like email attachments, networks, infected disks, and more. It notes that the first virus was Brain in 1986. It outlines different types of viruses like Trojans, spyware, worms, and more. It lists signs of infection like slow performance, apps not starting, and security programs being disabled. It concludes with tips for preventing viruses like using antivirus software, avoiding suspicious
Malware
Malware is a general term for harmful programs that are intentionally inserted into a system by exploiting vulnerabilities. It can damage or disturb the system. There are three main types: viruses, worms, and Trojan horses. Viruses replicate by modifying other programs, worms spread independently through networks, and Trojan horses masquerade as genuine programs to introduce viruses. Examples include virus Elk Cloner that attached to a game and activated after it was started 50 times, worm Sassar that spread through vulnerable network ports and slowed computers, and Trojan horse Beast that functioned as remote access tool giving attackers control over infected machines.
Computer virus
This document discusses computer viruses and malware. It defines viruses, trojans, worms, spyware, and adware. It describes how viruses spread and the signs of infection. It then discusses the history of antivirus software and how it functions to prevent, quarantine, and repair infections through updating virus definitions. Popular antivirus programs from 2012 are listed.
Antivirus software
antivirus software: consists of history, identification methods, popular anti viruses in the market, pros and issues of it.
Extremely basic ppt- can be used for college presentations & competitions- doesnt have enough info to be the winner, but certainly useful. :)
Virus & Anti Virus ppt
The document provides an overview of viruses and anti-viruses. It discusses how the first computer virus was created in the 1980s. It then describes common virus symptoms, different types of viruses like macro viruses and worms, and challenges with virus detection. The document also outlines how antivirus software works using virus dictionaries and behavior monitoring. It notes issues like performance impacts, potential automatic renewals, and limitations with detecting new viruses.
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This document discusses computer viruses, including their definition, types, causes and effects, and prevention and cure. It defines a computer virus as a self-replicating piece of code that can attach itself to files or applications and cause unintended behavior on a computer. Common types include resident, direct action, overwrite, boot sector, and macro viruses. Viruses can spread by infecting the boot sector or programs run in memory. While they don't necessarily damage data, macro viruses in particular can slow computers down or damage documents. The best prevention methods are using antivirus software to continuously scan for viruses and keep definitions up to date, while the best cure is recovering from a backup and reinstalling the operating system if a virus is
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Computer virus
The document discusses computer viruses and antivirus software. It defines computer viruses as malicious software that can infiltrate or damage systems without consent. It notes that viruses need a host program to spread, while worms do not. The document recommends using antivirus software and lists criteria for choosing software, including ability to detect viruses, usability, performance impact, and price. It suggests popular commercial options like KAV, Bit, and Norton but also promotes the free Vietnamese-made BKAV software as a suitable low-cost option.
Computer virus
The document discusses computer viruses and antivirus software. It defines computer viruses as malicious software that can infiltrate or damage systems without consent. It notes that viruses need a host program to spread, while worms do not. The document recommends using antivirus software and taking computers to experts to keep systems safe from viruses. It provides criteria for choosing antivirus software, including detection abilities, interface, memory usage, and price. BKAV, a free antivirus software developed in Vietnam, is recommended as a suitable low-cost option.
Computer virus
The document discusses computer viruses and antivirus software. It defines computer viruses as malicious software that can infiltrate or damage systems without consent. It notes that viruses need a host program to spread, while worms do not. The document recommends using antivirus software and lists criteria for choosing software, including ability to detect viruses, usability, performance impact, and price. It suggests popular commercial options like KAV, Bit, and Norton but also promotes the free Vietnamese-made BKAV software as a suitable low-cost option.
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This document provides an overview of antivirus software, including what it is, how it works, configuring antivirus programs, symptoms of an infected computer, manually deleting virus files, effectiveness of antivirus software, damaged files, popular antivirus programs, and online antivirus scanning. It discusses how the first antivirus software was developed in 1987 to combat the first computer virus. It also explains how antivirus software uses virus definitions to examine files and remove viruses, worms, and trojans.
Antivirus software
Antivirus software uses various methods like signatures, heuristics, and real-time protection to identify malware like viruses, worms, and trojans. It works by scanning files and comparing them to known virus signatures. While antivirus software is useful for protecting devices from malware, it also has limitations like unexpected renewal costs, potential false positives, and reduced effectiveness against new viruses. Antivirus software must also contend with techniques used by malware authors to avoid detection, such as rootkits that have full system access.
ANTIVIRUS AND VIRUS Powerpoint presentation
This document provides an overview of computer viruses and anti-virus software. It defines what viruses are and how they spread, describes common types of viruses. It then explains what anti-virus software is, how it works to detect and remove viruses, and lists some popular anti-virus programs. It concludes with a brief history of anti-virus software development from the late 1980s onward.
Virus
This document discusses different types of computer viruses, including boot sector viruses, browser hijackers, direct action viruses, file infector viruses, macro viruses, multipartite viruses, polymorphic viruses, resident viruses, and web scripting viruses. It also provides tips on how to prevent viruses from entering computers, such as using antivirus software and firewalls, only accessing trusted websites, and regularly scanning for viruses. The document advises that if a computer is infected, it should be disconnected from networks and the internet and antivirus software should be used to clean the system.
Computer virus and antivirus
This document discusses computer viruses and how to prevent them. It defines what a computer virus is and notes that they often affect Microsoft Windows systems. It provides tips on how to avoid viruses such as screening emails before downloading, using updated antivirus software, and disabling email preview on Windows. It also discusses the types of viruses, signs of an infected computer, and popular antivirus software options.
Anti-virus software and spyware
The document discusses different types of antivirus software like McAfee, AVG, Avast, and Norton. It explains how antivirus software works by scanning files and comparing them to a dictionary of known viruses. Spyware is software installed without consent that monitors users and transfers information to third parties. The document recommends using antivirus software and firewalls for protection but cautions that not all programs are effective.
Cscu module 03 protecting systems using antiviruses
The document discusses the need for antivirus software to protect systems from viruses and malware. It provides an overview of how antivirus software works using virus dictionaries and detecting suspicious behavior. It also outlines steps for choosing the best antivirus, including considering features like scanning accuracy and speed, system impact, and automatic updates. The goal is to help users understand antivirus software and how to select and install programs to safeguard their computers.
Virus & Antivirus
Computer viruses are malicious programs that can damage computers. They replicate by attaching themselves to other programs and spreading from computer to computer. Antivirus software identifies and removes viruses using a virus dictionary to examine files and detect known virus codes. It is important to regularly update antivirus software and scan computers to remove viruses and prevent further infection. Popular antivirus programs provide daily updates and scanning tools to detect and remove viruses through repair, quarantine, deletion or other actions.
S P Y W A R E4 S I K
Spyware is software installed without user consent that intercepts or controls user interactions for commercial gain, often through ads. It is typically bundled with other programs or exploits software vulnerabilities. Common tactics include pop-up ads, tracking browsing behavior, and altering browser settings. Users can avoid spyware by updating software, using antivirus and antispyware tools, and being wary of files from unknown sources.
anti_virus
This document discusses computer viruses, anti-virus software, and how to prevent virus infections. It defines a computer virus as a program designed to spread from computer to computer and interfere with operations. Viruses are spread through email attachments and downloads. The document outlines different types of viruses and malicious software like worms, spam, and trojan horses. It also describes how anti-virus software works by scanning files and memory for virus signatures. Key recommendations include using anti-virus software, keeping it updated, and exercising caution when opening attachments or downloads.
Virus and Anti Virus - Types of Virus and Anti Virus
Computer viruses are small software programs that are designed to spread from one computer to another and to interfere with computer operation. A virus might corrupt or delete data on your computer, use your e-mail program to spread itself to other computers, or even erase everything on your hard disk.
Similar to Computer virus (20)
Cscu module 03 protecting systems using antiviruses
Cscu module 03 protecting systems using antiviruses
Virus and Anti Virus - Types of Virus and Anti Virus
Virus and Anti Virus - Types of Virus and Anti Virus
Computer virus
- 1. GROUP: TROPIC THUNDER 1.NGÔ QUANG VỊNH 2.BÙI ĐÌNH THẮNG 3.ĐỖ DUY QUANG 4.NGUYỄN VĂN LINH
- 2. Topic : Computer Virus
- 4. BODY PART COMPUTER VIRUS ANTIVIRUS SOFTWARE SOFTWARE BKAV
- 7. Others
- 9. Virus need a host to transfer but worm needn’t
- 11. A computer program C opy itself and infect a computer A ttach itself to an existing program Doesn’t a ttach itself to an existing program H arm to the network consum e bandwidth C orrupt or modify files
- 24. KAV, Bit and Norton are the number one choices all over the world! But, what is the number one in Vietnam?????????
- 28. Thanks for your listening