Viruses & Worms. CS431 Dick Steflik. A Couple of Definitions:. A computer virus is a computer program that can copy itself and infect a computer without permission or knowledge of the user. “a program that replicates by “infecting” other programs, so that they contain a copy of the virus”.
look for one or more infectable objects
if (none found)
Doesn’t remain in memory, but executes all of the viral code at once then returns control to the infected program