1. Computer
Viruses
By Simone

2. What Is A Malware?
 Malware is a term that is used for
malicious software that is designed to do
damage or unwanted actions to a
computer system. Examples of malware
include the following: Viruses
 Worms
 Trojan horses
 Spyware
 Rogue security software

3. What is a computer virus?
Computer viruses are small software programs
that are designed to spread from one computer to
another and to interfere with computer operation.
How does a computer virus find me?
Even if you’re careful you can pick up computer
viruses through normal Web activities like:
1.Sharing music, files or photos with other users
2.Visiting an infected Web site
3.Opening spam email or an email attachment
4.Downloading free games, toolbars, media
players and other system utilities
5.Installing mainstream software applications
without fully reading license agreements.

4. TOP 5 VIRUSES
 Melissa-David L. Smith of Aberdeen
Township, New Jersey
 The Anna Kournikova Virus-
Dutch programmer Jan de Wit
 My Doom
 Sasser & Netsky-18 year-old German,
Sven Jaschan,
 2007 Storm Worm-

5. What does a computer virus do?
Some computer viruses are programmed to
harm your computer by damaging programs,
deleting files, or reformatting the hard drive.
Others simply replicate themselves or flood a
network with traffic, making it impossible to
perform any internet activity. Even less harmful
computer viruses can significantly disrupt your
system’s performance, sapping computer
memory and causing frequent computer
crashes.