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
IM-Worm.Win32.Kelvir.k July 6, 2011
IM-Worm.Win32.Sohanad.as 99/10 10 July 2, 2010
IM-Worm.Win32.Sohanad.qc 99/10 28 March 22, 2011
IM-Worm.Win32.Sohanad.qi 55/10 0 September 7, 2011
IM-Worm.Win32.Sohanad.qr February 25, 2011
IM-Worm.Win32.VB.bn January 12, 2010
IM-Worm.Win32.XorBot.a 88/10 122 February 7, 2011
IM-Worm.Win32.Yahos December 13, 2010
IM-Worm.Win32.Yahos.hb March 22, 2011
IM-Worm.Win32.Yahos.hh February 22, 2011
IM-Worm.Win32.Zeroll.g August 12, 2011
IM-Worm.Win32.Zeroll.i 88/10 281 October 15, 2010
IM.Worm.VB.as 99/10 0 January 11, 2010
Imbot.AC 55/10 0 July 26, 2012
Invitation Card.zip June 29, 2009
IRC-Worm.DOS.Loa April 15, 2011
IRC-Worm.Fagot 55/10 452 December 8, 2011
IRC-Worm.Navidad September 19, 2011
Java.Cogyeka 55/10 0 July 9, 2012
JS.Brapps 22/10 51 July 1, 2013
JS.Phremous 55/10 0 May 2, 2012
Kepsy 55/10 0 January 30, 2013
Kido May 10, 2010
Koobface 55/10 24 March 3, 2009
Koobface.C 99/10 0 July 20, 2009
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