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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. Timeline of computer viruses and worms - Wikipedia

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

   Appearance of Lehigh virus (discovered at its namesake university), boot sector viruses such as Yale from the US, Stoned from New Zealand, Ping Pong from Italy, and appearance of the first self-encrypting file virus, Cascade. Lehigh was stopped on campus before it spread to the "wild" (to computers beyond the university), and as a result, has ...

4. Michelangelo (computer virus) - Wikipedia

   en.wikipedia.org/wiki/Michelangelo_(computer_virus)

   The Michelangelo virus is a computer virus first discovered on 3 February 1991 in Australia. [1] The virus was designed to infect DOS systems, but did not engage the operating system or make any OS calls. Michelangelo, like all boot sector viruses, operated at the BIOS level. Each year, the virus remained dormant until March 6, the birthday of ...

5. Brain (computer virus) - Wikipedia

   en.wikipedia.org/wiki/Brain_(computer_virus)

   Original author (s) Amjad Farooq Alvi. Initial release. 19 January 1986. Platform. IBM Personal Computer, IBM PC compatibles. Type. Boot sector computer virus. Brain is the industry standard name for a computer virus that was released in its first form on 19 January 1986, [1] and is considered to be the first computer virus for the IBM Personal ...

6. AIDS (computer virus) - Wikipedia

   en.wikipedia.org/wiki/AIDS_(computer_virus)

   AIDS is the first virus known to exploit the MS-DOS "corresponding file" vulnerability. In MS-DOS, if the user enters FOO in the command interpreter, in a directory where both FOO.COM and FOO.EXE exist, then FOO.COM will always be executed. Thus, by creating infected COM files, AIDS code will always be executed before the intended EXE file.

7. Jerusalem (computer virus) - Wikipedia

   en.wikipedia.org/wiki/Jerusalem_(computer_virus)

   Jerusalem is a logic bomb DOS virus first detected at Hebrew University of Jerusalem, in October 1987. [1] On infection, the Jerusalem virus becomes memory resident (using 2kb of memory), and then infects every executable file run, except for COMMAND.COM. [2] COM files grow by 1,813 bytes when infected by Jerusalem and are not re-infected.