Published Apr 25, 2008 | Updated Sep 15, 2017

Worm:Win32/Autorun.BO

Severe |Detected with Windows Defender Antivirus

Aliases: Backdoor:Win32/Bifrose.gen!A (other) Win-Trojan/Dropper.229376 (AhnLab) W32/Backdoor.BPOV (Command) SHeuro.DHE (AVG) Win32/Bifrost.BX (CA) Worm.Autorun-522 (Clam AV) Virus.Win32.AutoRun.ez (Kaspersky) W32/CEP.worm (McAfee) W32/AutoRun.OA (Norman) W32.SillyFDC (Symantec)

Summary

Worm:Win32/Autorun.BO is a worm that may drop a backdoor trojan (identified as Backdoor:Win32/Bifrose.gen!A) and connect with remote Web sites.
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 (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, see http://www.microsoft.com/protect/computer/viruses/vista.mspx.
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