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Trojan:Win32/Sirefef.AB

First posted on 28 March 2012.
Source: Microsoft

Aliases :

Trojan:Win32/Sirefef.AB is also known as Backdoor/Win32.ZAccess (AhnLab), BackDoor.Maxplus.90 (Dr.Web), Win32/Sirefef.DL trojan (ESET), Backdoor.Win32.ZAccess (Ikarus), Backdoor.Win32.ZAccess.aug (Kaspersky), Mal/Sirefef-AA (Sophos), BKDR_ZACCESS.FP (Trend Micro).

Explanation :

Trojan:Win32/Sirefef.AB is a component of Win32/Sirefef - a multi-component family of malware that moderates an affected user's Internet experience by modifying search results, and generates pay-per-click advertising revenue for its controllers. The family consists of multiple parts that perform different functions, such as downloading updates and additional components, hiding existing components, or performing the payload.


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Trojan:Win32/Sirefef.AB is a component of Win32/Sirefef - a multi-component family of malware that moderates an affected user's Internet experience by modifying search results, and generates pay-per-click advertising revenue for its controllers. The family consists of multiple parts that perform different functions, such as downloading updates and additional components, hiding existing components, or performing the payload.

Trojan:Win32/Sirefef.AB is a component most likely installed by Win32/Sirefef. It may be used to establish network connections.



Analysis by Shali Hsieh

Last update 28 March 2012

 

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