VIRUS - A computer virus will pass from one computer to another like a real life biological virus passes from person to person. For example, it is estimated by experts that the Mydoom worm infected a quarter-million computers in a single day in January 2004.Another example is the ILOVEYOU virus, which occurred in 2000 and had a similar effect. There are tens of thousands of viruses out there, and new ones are discovered every day. It is difficult to come up with a generic explanation of how viruses work, since they all have variations in the way they infect or the way they spread. So instead, we’ve taken some broad categories that are commonly used to describe various types of virus.
@123456_ (1053)
December 14, 2006 10:29pm CST
computer virus is a computer program written to alter the way a computer operates, without the permission or knowledge of the user. Though the term is commonly used to refer to a range of malware, a true virus must replicate itself, and must execute itself. The latter criteria are often met by a virus which replaces existing executable files with a virus-infected copy. While viruses can be intentionally destructive—destroying data, for example—some viruses are benign or merely annoying. Viruses like the AJAY and VINCE virus are extremely annoying because they keep appearing out of nowhere and that is very annoying.
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