Published Jan 17, 2011 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Trojan.Win32.Midgare.aogf (Kaspersky) W32/Obfuscated.A!genr (Norman) Trojan.Agent.WTHR (VirusBuster) Trojan horse BackDoor.RBot.BS (AVG) TR/Crypt.CFI.Gen (Avira) Gen:Trojan.Heur.EsY@rnGrPlmG (BitDefender) Trj/Thed.A (Panda) Trojan.Win32.Generic.520B6EFC (Rising AV) Mal/Bifrose-Y (Sophos) Trojan.Win32.Generic.pak!cobra (Sunbelt Software)


Backdoor:Win32/Bifrose.EY is a trojan that connects to a remote server to allow backdoor access and control from a remote attacker.
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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