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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 ...
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 ...
The science fiction novel, When HARLIE Was One, ... a board game containing one of the first examples of a sentient computer virus in mainstream media. 1993
Most known for being the first virus targeting Mac computers. Morris: November 2, 1988 Robert Tappan Morris: 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.
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.
Govware is typically a Trojan software used to intercept communications from the target computer. Some countries like Switzerland and Germany have a legal framework governing the use of such software. [10] [11] Examples of govware Trojans include the Swiss MiniPanzer and MegaPanzer [12] and the German "state Trojan" nicknamed R2D2. [10]
العربية; Azərbaycanca; বাংলা; Беларуская; Беларуская (тарашкевіца) Български; Čeština; Dansk; Deutsch
Trojans and other computer viruses that activate on certain dates are often called "time bombs". To be considered a logic bomb, the payload should be unwanted and unknown to the user of the software. As an example, trial programs with code that disables certain functionality after a set time are not normally regarded as logic bombs.