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  2. Timeline of computer viruses and worms - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computer...

    Unlike the few Apple viruses that had come before which were essentially annoying, but did no damage, the Festering Hate series of viruses was extremely destructive, spreading to all system files it could find on the host computer (hard drive, floppy, and system memory) and then destroying everything when it could no longer find any uninfected ...

  3. Computer virus - Wikipedia

    en.wikipedia.org/wiki/Computer_virus

    This is an accepted version of this page This is the latest accepted revision, reviewed on 26 December 2024. Computer program that modifies other programs to replicate itself and spread Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles A computer virus is a type of malware that, when executed, replicates itself by ...

  4. Comparison of computer viruses - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_computer_viruses

    By the time the virus is identified, many names have been used to denote the same virus. Ambiguity in virus naming arises when a newly identified virus is later found to be a variant of an existing one, often resulting in renaming. For example, the second variation of the Sobig worm was initially called "Palyh" but later renamed "Sobig.b ...

  5. List of computer worms - Wikipedia

    en.wikipedia.org/wiki/List_of_computer_worms

    Widely considered to be the first computer worm. Although created for academic purposes, the negligence of the author unintentionally caused the worm to act as a denial of service attack. It spread by exploiting known vulnerabilities in UNIX-based systems, cracked weak passwords, and periodically altered its process ID to avoid detection by ...

  6. Category:Computer viruses - Wikipedia

    en.wikipedia.org/wiki/Category:Computer_viruses

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  7. Computer worm - Wikipedia

    en.wikipedia.org/wiki/Computer_worm

    Computer viruses generally require a host program. [11] The virus writes its own code into the host program. When the program runs, the written virus program is executed first, causing infection and damage. A worm does not need a host program, as it is an independent program or code chunk.

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