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Worm:Win32/Hupigon.B
Detected by Microsoft Defender Antivirus
Aliases: Trojan.Inject.GO (BitDefender) Mal/Behav-058 (Sophos) probably a variant of Win32/Hupigon (ESET) BackDoor.Hupigon (AVG) Backdoor.Win32.Hupigon.dujh (Kaspersky) Backdoor.Graybird (Symantec)
Summary
Worm:Win32/Autorun.PP is a worm that spreads through fixed and removable drives by dropping copies of itself. It may change the computer system settings and attempt to connect to a remote web server to run commands by an attacker.
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.