A computer virus is a program that attaches itself to, overwrites and/or otherwise replaces another program in order to reproduce itself without the knowledge of the computer user. Generally, the first thing a virus does is attach itself to other executable files in such a way that the virus code is in effect when the infected files are run. Viruses may be written to multiply, to damage other programs, or to alter certain data. …showed first 75 words of 878 total…

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