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
Malware.Imaut.C!rem			April 20, 2011
Malware.Ircbrute	5/10	16	September 29, 2010
Malware.Ircbrute!rem			May 13, 2011
Malware.Jeefo			November 30, 2010
Malware.Linkfars	5/10	0	May 11, 2010
Malware.Loorp			September 3, 2010
Malware.Pilleuz	5/10	0	December 14, 2009
Malware.Pinfi	8/10	2,022	June 7, 2010
Malware.Poxdar			August 2, 2011
Malware.Ptopirate			July 6, 2010
Malware.Rahack			June 29, 2010
Malware.Rahack.B!rem			November 12, 2010
Malware.Redlofwen	9/10	20,068	August 16, 2010
Malware.Spacefam			December 9, 2010
Malware.Spamuzle			February 18, 2010
Malware.Stuxnet	8/10	0	August 3, 2010
Malware.Svich	5/10	40	June 10, 2010
Malware.Valla	9/10	9,048	January 31, 2011
Malware.W64-Shruggle			January 7, 2011
Mogoogwi	5/10	94	March 13, 2015
MSIL.Pizzer	5/10	0	May 28, 2013
MyDoom.B			October 25, 2012
Mysearchresults.com			May 17, 2012
Net-Worm.Agobot!rem			January 17, 2011
Net-Worm.Conficker!rem	5/10	284	October 13, 2010

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