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This is an accepted version of this page This is the latest accepted revision, reviewed on 30 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 ...
A mid-1970s science fiction novel by David Gerrold, When H.A.R.L.I.E. was One, includes a description of a fictional computer program named VIRUS that worked just like a virus (and was countered by a program named ANTIBODY). The term "computer virus" also appears in the comic book "Uncanny X-Men" No. 158, published in 1982. A computer virus's ...
The Rabbit virus makes multiple copies of itself on a single computer (and was named "rabbit" for the speed at which it did so) until it clogs the system, reducing system performance, before finally reaching a threshold and crashing the computer.
The first IBM PC compatible "in the wild" computer virus, and one of the first real widespread infections, was "Brain" in 1986. From then, the number of viruses has grown exponentially. [14] [15] Most of the computer viruses written in the early and mid-1980s were limited to self-reproduction and had no specific damage routine built into the ...
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.
ILOVEYOU, sometimes referred to as the Love Bug or Loveletter, was a computer worm that infected over ten million Windows personal computers on and after 5 May 2000. It started spreading as an email message with the subject line "ILOVEYOU" and the attachment "LOVE-LETTER-FOR-YOU.TXT.vbs". [1]
The virus travels in vomit and diarrhea. It spreads by direct contact with someone who has norovirus, or by touching contaminated surfaces and then putting your fingers in your mouth. Contaminated ...
Most noticeably, every 50th time the program was run, instead of executing normally, it would change to a blank screen that displayed a poem about the virus. If a computer booted from an infected floppy disk, a copy of the virus was placed in the computer's memory. When an uninfected disk was inserted into the computer, a modified version of ...
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