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
Koobface.LP 55/10 0 November 15, 2012
Lily Jade 88/10 0 May 29, 2012
M32/Blaster.worm May 10, 2011
Mal/AutoInf-A August 12, 2009
Mal/Bifrose-Z May 25, 2010
Mal/Emogen-I May 5, 2011
Mal/EncPk-ALC 55/10 0 August 1, 2013
Mal/EncPk-MX December 1, 2009
Mal/EncPk-OJ June 25, 2010
Mal/OLE2SC-A July 2, 2010
Mal/Palevo-A 55/10 0 December 7, 2011
Mal/SillyFDC-G September 2, 2010
Mal/SillyFDC-Z 55/10 0 November 30, 2012
Mal/VB-BL May 27, 2010
Mal/VB-CG 55/10 1 July 22, 2010
Mal/Zbot-U May 25, 2010
Malware.Changeup 55/10 0 January 8, 2010
Malware.Dotex 99/10 0 March 15, 2010
Malware.Drowor July 14, 2010
Malware.Gammima December 18, 2009
Malware.Gammima!rem December 14, 2010
Malware.Harakit November 9, 2009
Malware.Harakit!rem October 8, 2010
Malware.Imaut February 18, 2010
Malware.Imaut.B!rem 99/10 0 January 14, 2011
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