List of computer viruses

To aid the fight against computer viruses and other malware many security advisory organizations and developers of anti-virus software compile and publish lists of viruses. A single comprehensive list of viruses would make sense, but no definitive list currently exists. == Naming == One fundamental fact that makes the compilation of a unified list of viruses difficult is naming. When a new virus appears, the rush begins to identify and understand it as well as develop appropriate counter-measures to stop its propagation. Along the way, a name is attached to the virus. As the developers of anti-virus software compete partly based on how quickly they react to the new threat they usually study and name the viruses independently. By the time it is identified which names denote the same virus the different names have been used enough to stay around. Another source of ambiguity in names is that sometimes a virus initially identified as a completely new virus is found to be a variation of an earlier known virus, in which cases it is often renamed. For example, the second variation of the Sobig worm was initially called Palyh but later renamed Sobig.b. Again, depending on how quickly this happens the old name may persist. == Scope == In terms of scope, there are two major variants: the list of "in-the-wild" viruses, which list viruses in active circulation, and lists of all known viruses, which also contain viruses believed not be in active circulation (also called "zoo viruses"). The sizes are vastly different, in-the-wild lists contain a few hundred viruses but full lists contain tens of thousands. ==List of viruses and related programs== {|style="border: 1px #aaaaaa solid; background-color:#f7f8ff" |align=center bgcolor="#CCCCCC"| |align=center bgcolor="#CCCCCC"|Name |align=center bgcolor="#CCCCCC"|Threat Posed |align=center bgcolor="#CCCCCC"|Vulnerable OS |align=center bgcolor="#CCCCCC"|First apearance date |align=center bgcolor="#CCCCCC"|Creator |align=center bgcolor="#CCCCCC"|External Links |align=center bgcolor="#CCCCCC"|Additional Notes |- |aligin=left|A |aligin=left colspan=5|[http://www.probertencyclopaedia.com/L2.HTM Probert Encyclopaedia (A)] |- {{List of computer viruses|A and A virus|Obsolete|MS-DOS
Windows 95, Windows 98|''unknown''|''unknown''|[http://securityresponse.symantec.com/avcenter/venc/data/a.and.a.html Symantec]|Infects COM files. It changes an infected program’s time and date stamp to the date and time of infection. When activated, the virus clears and reprints blocks of the screen. The infection code contains the Character_string_%28computer_science%29: {A&A}} |- |aligin=left colspan=6|B |- |aligin=left colspan=6|C |- |aligin=left colspan=6|D |- |aligin=left colspan=6|E |- |aligin=left colspan=6|F |- |aligin=left colspan=6|G |- |aligin=left colspan=6|H |- |aligin=left colspan=6|I |- |aligin=left colspan=6|J |- |aligin=left colspan=6|K |- |aligin=left colspan=6|L |- |aligin=left colspan=6|M |- |aligin=left colspan=6|N |- |aligin=left colspan=6|O |- |aligin=left colspan=6|P |- |aligin=left colspan=6|Q |- |aligin=left colspan=6|R |- |aligin=left colspan=6|S |- |aligin=left colspan=6|T |- |aligin=left colspan=6|U |- |aligin=left colspan=6|V |- |aligin=left colspan=6|W |- |aligin=left colspan=6|X |- |aligin=left colspan=6|Y |- |aligin=left colspan=6|Z |} == See also == *Timeline of notable computer viruses and worms *List of computer virus hoaxes == External links == *[http://www.wildlist.org/WildList/ The WildList], by WildList Organization International *[http://vil.nai.com/vil/default.asp virus Information Library], by Network Associates *[http://www.symantec.com/avcenter/vinfodb.html virus Threat Database], by Symantec Computer viruses Lists

List of computer viruses

#REDIRECT Talk:Timeline of notable computer viruses and worms

List of computer viruses

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