Published Sep 03, 2009 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Mal/KoobHeur-A (Sophos) W32/Koobface.worm.gen.f (McAfee)


TrojanDropper:Win32/Koobface.E is the detection for the malware dropper component of certain members of the Win32/Koobface family. It drops and installs the proxy and driver components.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner ( For more information, see
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