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Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
Virus
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Virus

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This Virus ppt is something which tells the types of viruses and its uses.

This Virus ppt is something which tells the types of viruses and its uses.

Published in: Technology, Education
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Transcript

  • 1. VIRUS. . .
  • 2. Done by, PL.Sriram
  • 3. It is a jungle out there Hoaxes Network worms Trojan horses
  • 4. Salient features of a virus
    • Computer program.
    • It can copy itself .
    • Infect a computer .
      • Spreads from one computer to other.
    • Executable
  • 5. Virus affection 1. In 2004 a computer virus infected 1 million computers within one hour. 2. Virus has the power and capacity to destroy all files.
  • 6. Different types of virus are, Macro virus Directory virus Polymorphic virus Companion virus FAT virus
  • 7. Directory virus Changes the path that indicate the location of a file. For example:The File extension becomes.EXE or .COM
  • 8. POPULAR HOAXE
    • JDBGMGR (teddy-bear icon)
    It, Tricks users into deleting a file
  • 9. Network Worm
    • No host (self-contained)
    • Copies itself
    • Executable
  • 10. Trojan Horse
    • No host (self-contained)
    • Does not copy itself
    • Type of virus
  • 11. A Trojan Horse exploits computer ports letting its “friends” enter, and MORE ON THE HORSE……. “ once a thief gets into your house he opens a rear window for his partners”
  • 12. STOPPING THE TROJAN HORSE How does it get in? Downloading a file By: Installing a program Opening an attachment Copying a file from someone else
  • 13. TYPICAL SYMPTOMS
      • File deletion
      • File corruption
      • Visual effects
      • Erratic (and unwanted) behavior
      • Computer crashes
  • 14. POPULAR FALLACIES
    • If I never log off then my computer can never get a virus
    • If I lock my office door then my computer can never get a virus
    • Companies create viruses so they can sell anti-virus software
    My ISP will protect me?
    • Microsoft will protect me
  • 15. Antiviruses Mcafee Bit defender G Data Webroot Kaspersky Norton antivirus
  • 16. Purpose of a virus ? Who created virus ? For what reason ? Who created anti-virus ? For what ? THINK.....

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