The Trojan horse, also known as Trojan, in the context of computing and software, describes a class of computer threats (malware) that appears to perform a desirable function but in fact performs undisclosed malicious functions. These functions allow unauthorized access to the host computer, giving them the ability to save their files on the user’s computer or even watch the user’s screen and control the computer.

Trojan horses (not technically a virus) can be easily and unwittingly downloaded. For example, if a computer game is designed such that, when executed by the user, it opens a back door that allows a hacker to control the computer of the user, then the computer game is said to be a Trojan horse. However, if the computer game is legitimate, but was infected by a virus, then it is not a Trojan horse, regardless of what the virus may do when the game is executed. The term is derived from the classical story of the Trojan horse.

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There are currently 4,540 articles listed on trojans.

Name Threat Level Detection Count Date
Xwo Bot Scanner April 5, 2019
Yayih 8/10 0 March 12, 2012
Ydky9kv.exe May 5, 2011
Zberp Trojan 9/10 1 May 23, 2014
Zbot.ANQ 9/10 0 February 4, 2013
Zebrocy Go June 5, 2019
Zemot 9/10 9 September 11, 2014
Zeus Trojan March 27, 2006
ZeuS.Maple 9/10 7 June 11, 2014
ZeuS/ZBot 9/10 0 April 5, 2012
ZeusVM 9/10 4 March 6, 2014
Zlob 8/10 0 April 25, 2005 10/10 67 August 23, 2011
ZUMKONG October 21, 2019
Zusy 8/10 8,966 April 17, 2014

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