A Computer Virus Is A Type Of Malicious Software That, When Executed, Replicates Itself By Modifying Other Computer Programs And Inserting Its Own Code. The Term "Virus" Is Also Commonly, But Erroneously, Used To Refer To Other Types Of Malware.

1. Name : Ganesh Dilip Kamble
Batch No : BCBF 2018-2578 CITI

2. What is Computer Virus ?

3. A Computer Virus Is A Type Of Malicious Software
That, When Executed, Replicates Itself By
Modifying Other Computer Programs And Inserting
Its Own Code. The Term "Virus" Is Also Commonly,
But Erroneously, Used To Refer To Other Types Of
Malware.
He Term 'Computer Virus' Was First Formally Defined By Fred Cohen In 1983.

4. Types of Computer Virus
1. Boot Sector 2. File Infection 3. Overwrite
4. Worm 5. Trojan 6. Ransomware

5. Ransomware Is A Type Of Malware That Prevents You
From Using Your Computer Or Accessing Certain Files
Unless You Pay A Ransom. It Often Encrypts Files So
That They Cannot Be Opened.
Ransomware
Starting from Around 2012 The Use of Ransomware
Scams Has Grown Internationally.
There Have Been 181.5 Million Ransomware Attacks
in The First Six Months of 2018.

6. Examples Of Ransomware.
WannaCry NotPetya Bad Rabbit
Reveton CryptoLocker CryptoWall

7. Before Affected Ransomware After Affected Ransomware
How To Work Ransomware

8. If Your Computer Is Infected with Ransomware.

9. If You Have a Recent System Backup, You Can Revert to A
Saved State Before the Ransomware Infected Your
Computer
Search for an Internet Security Utility That Can
Remove the Specific Ransomware Installed On Your
System.
Pay The Ransomware Fee and Contact Your Bank or
Credit Card Company to Block the Transaction