Viruses

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Viruses

• An Introduction to Different Types of Viruses.

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Types of Viruses

• There are four type of viruses
• Macro Viruses
• Boot Sector Viruses
• Parasitic Viruses
• Mutlipartite Viruses

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The ILOVEYOU Virus

• What is ILoveYou.vbs?
• LoveLetter is a Win32-based e-mail worm. It
  overwrites certain files on your hard drive(s)
  and sends itself out to everyone in your
  Microsoft Outlook address book

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The Melissa Virus

• What is W97 M.Melissa.A?
• Melissa is a Microsoft Word macro virus. Through
  macros, the virus alters the Microsoft Outlook
  email program so that the virus gets sent to the
  first 50 people in your address book. It does not
  corrupt any data on your hard drive or make your
  computer crash. It just changes some Word
  settings and sends itself to the people you do
  not want to infect

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The Chernobyl Virus

• What is W32.CIH.Spacefiller?
• Chernobyl is a deadly virus. Unlike the other
  viruses that have surfaced recently, this one is
  much more than a nuisance.
• If infected, Chernobyl will erase data on your
  hard drive, and may even keep your machine from
  booting up at all.
• There are several variants in the wild. Each
  variant activates on a different date. Version
  1.2 on April 26th, 1.3 on June 26th, and 1.4 on
  the 26th of every month.

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For More Information

• For more information regarding viruses or for
  suggestions to prevent your computer from being
  infected, go to
• http//getvirushelp.com/
• Information for this presentation was taken from
  this site.