Published Jul 12, 2012|Updated Sep 04, 2013


Alert level: Severe Detected with Windows Defender Antivirus

Also detected as: Trojan/Win32.Zapchast (AhnLab) Trojan.Sirefef.HL (BitDefender) Mal/ZAccess-CA (Sophos) TROJ_SIREFEF.WM (Trend Micro)

Trojan:Win64/Sirefef.AB is a component of the Sirefef multi-platform rootkit, related to Win32/Sirefef. Sirefef is multi-component malware family that modifies search results when you search for something on the Internet and generates pay-per-click advertising revenue for its controllers. This particular component clicks on links supplied by a remote attacker to generate revenue.


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