Published Mar 27, 2006 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: BKDR_HUPIGON (Trend Micro) Win32/Pigeon (CA) Backdoor.Win32.Hupigon (Kaspersky) W32/Hupigon (Norman) Troj/Feutel (Sophos)


Backdoor:Win32/Hupigon is the main backdoor component of Win32/Hupigon, a family of backdoor Trojans. TrojanDropper:Win32/Hupigon registers this component as a service. The service then opens a backdoor server that allows other computers to connect to and control the infected computer in various ways.
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 Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see
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