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Microsoft Security Intelligence
Published Dec 30, 2010 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Dropper.Win32.Bobohu.a (Rising AV) (Kaspersky) Troj/Agent-OSP (Sophos)


TrojanDropper:Win32/Bohu.A is a trojan that drops Trojan:Win32/Bohu.A!Installer - a trojan that filters an affected computer's network traffic in order to stop malware-related data from being sent to information-gathering networks that belong to particular AV companies in China.
It has been distributed masquerading as a high definition video player. 
To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products will detect and remove this threat:
For more information on antivirus software, see
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