Worms

A computer worm is a self-replicating computer program. It uses a network to send copies of itself to other nodes (computers on the network) and it may do so without any user intervention. Unlike a virus, it does not need to attach itself to an existing program. Worms almost always cause at least some harm to the network, if only by consuming bandwidth, whereas viruses almost always corrupt or devour files on a targeted computer.

Many worms that have been created are only designed to spread, and don’t attempt to alter the systems they pass through. A “payload”, however, is code designed to do more than spread the worm it might delete files on a host system, encrypt files in a cryptoviral extortion attack, or send documents via e-mail. A very common payload for worms is to install a backdoor in the infected computer to allow the creation of a zombie (an Internet accessible computer compromised by a hacker) under control of the worm author. Networks of such machines are often referred to as botnets and are very commonly used by spam senders for sending junk email or to cloak their website’s address.

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There are currently 965 articles listed on worms.

Name	Threat Level	Detection Count	Date
PE_MUSTAN.A	7/10	0	October 22, 2012
Perl.Bossworm	5/10	0	October 26, 2011
Pesky	5/10	0	January 30, 2013
Phorpiex	8/10	45	January 28, 2013
Pushbot	9/10	4	October 19, 2010
Ramnit.gen!A	8/10	210	October 12, 2010
Raptor			August 27, 2008
RemoteAccess.Radmin!rem	6/10	149	November 25, 2010
Rodpicom	9/10	0	February 12, 2013
RPC Virus			June 7, 2010
Scold			December 22, 2009
Sdbot-XK			July 14, 2009
Sdbot.add			August 4, 2009
SettingsModifier.PornAgent			October 2, 2009
Smeet			May 9, 2011
SMSS-DoOoM	5/10	47	January 5, 2015
Sobig			October 12, 2012
SONAR.Gammima			March 1, 2011
Sonic			March 12, 2008
Spam-Mailbot.m	9/10	2	July 23, 2010
Spammer:VBS/Skypams.gen!B	5/10	0	May 14, 2013
Stekct	5/10	0	May 18, 2012
Stuxnetlnk			September 24, 2010
Surabaya			July 22, 2009
Svich			June 11, 2010

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