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  2. Computer virus - Wikipedia

    en.wikipedia.org/wiki/Computer_virus

    A computer virus[ 1] is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code into those programs. [ 2][ 3] If this replication succeeds, the affected areas are then said to be "infected" with a computer virus, a metaphor derived from biological viruses.

  3. Comparison of computer viruses - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_computer_viruses

    The compilation of a unified list of computer viruses is made difficult due to their subsequent naming. To aid the fight against computer viruses and other types of malicious software, many security advisory organizations and developers of anti-virus software compile and publish lists of viruses. When a new virus appears, the rush begins to ...

  4. Timeline of computer viruses and worms - Wikipedia

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

    March 26: The Melissa worm was released, targeting Microsoft Word and Outlook -based systems, and creating considerable network traffic. June 6: The ExploreZip worm, which destroys Microsoft Office documents, was first detected. September: the CTX virus is isolated.

  5. Trojan horse (computing) - Wikipedia

    en.wikipedia.org/wiki/Trojan_horse_(computing)

    Computer hacking. In computing, a Trojan horse (or simply Trojan) is any malware that misleads users of its true intent by disguising itself as a standard program. The term is derived from the ancient Greek story of the deceptive Trojan Horse that led to the fall of the city of Troy. [ 1]

  6. Category:Computer viruses - Wikipedia

    en.wikipedia.org/wiki/Category:Computer_viruses

    S. Software forensics. Source code virus. Stars virus. Strange Brew (computer virus)

  7. Mydoom - Wikipedia

    en.wikipedia.org/wiki/Mydoom

    Discontinued. 12 February 2004 (Mydoom.A) 1 March 2004 (Mydoom.B) Mydoom was a computer worm that targeted computers running Microsoft Windows. It was first sighted on January 26, 2004. It became the fastest-spreading e-mail worm ever, exceeding previous records set by the Sobig worm and ILOVEYOU, a record which as of 2024 has yet to be surpassed.

  8. Ransomware - Wikipedia

    en.wikipedia.org/wiki/Ransomware

    Ransomware is a type of cryptovirological malware that permanently blocks access to the victim's personal data unless a "ransom" is paid. While some simple ransomware may lock the system without damaging any files, more advanced malware uses a technique called cryptoviral extortion. It encrypts the victim's files, making them inaccessible, and ...

  9. Computer worm - Wikipedia

    en.wikipedia.org/wiki/Computer_worm

    A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers. [ 1] It often uses a computer network to spread itself, relying on security failures on the target computer to access it. It will use this machine as a host to scan and infect other computers.

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