A virus, as noted, is specifically a kind of malware that infects other applications and can only run when they run. Malware is a general term for malicious computer code. wormīefore we continue a brief note on terminology. When that application runs, it executes the virus code, with results that range from the irritating to the disastrous. It's a code snippet that inserts itself into some other application. Similarly, a computer virus isn't itself a standalone program. A biological virus like HIV or the flu cannot reproduce on its own it needs to hijack a cell to do that work for it, wreaking havoc on the infected organism in the process. Its name comes from the method by which it infects its targets. Like other types of malware, a virus is deployed by attackers to damage or take control of a computer. A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself.
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