Published Feb 02, 2009 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Win-Trojan/Hupigon.303567 (AhnLab) Win32/PEMask (AVG) Backdoor.Hupion.YCL (BitDefender) Backdoor.Win32.Hupigon.cvfk (Kaspersky) BackDoor-AWQ (McAfee) Hupigon.gen103 (Norman) Mal/EncPk-AP (Sophos) Mal_HPGN-1 (Trend Micro)


Backdoor:Win32/Hupigon.CK is a backdoor component of Win32/Hupigon. It runs as a service and opens a backdoor server on the host computer. Backdoor:Win32/Hupigon.CK tries to connect different remote Web sites to send notification of the infection.
Manual removal is not recommended for this threat. Use the Microsoft Malicious Software Removal Tool, Microsoft Security Essentials, Microsoft Safety Scanner, or another up-to-date scanning and removal tool to detect and remove this threat and other unwanted software from your computer. For more information on Microsoft security products, see
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