Secondly, unlike viruses, worms do not alter files but reside in active memory and duplicate themselves. First, unlike viruses which need to cling on to files (host files) before they can diffuse themselves inside a computer, worms exist as separate entities or standalone software. But computer worms are different from computer viruses in certain aspects.
That is why worms are often referred to as viruses also. For example, it can also self-replicate itself and spread across networks. Definition: A computer worm is a malicious, self-replicating software program (popularly termed as 'malware') which affects the functions of software and hardware programs.ĭescription: It fits the description of a computer virus in many ways.
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