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Online Information Technology Dictionary
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                                                                    Computer worm


A computer worm is a malware that is able to reproduce after infecting a computer and is capable of spreading through a computer network and can infect other computers  this way.

Unlike viruses that attach to computer files and can't have any stand-alone activity, worms can reproduce and run independently and don't need to bind computer files.

Worms could crash computers by replicating very fast and using system resources extremely.