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Microsoft Security Intelligence
Published Apr 11, 2011 | Updated Sep 15, 2017

Backdoor:WinNT/Pfinet.B

Detected by Microsoft Defender Antivirus

Aliases: W32/Pfiniet.A (Command) Pfinet (McAfee) Backdoor.Pfinet (Symantec) TROJ_PFINET.A (Trend Micro)

Summary

Backdoor:WinNT/Pfinet.B contains a kernel-mode rootkit component which may be present as a file named "usbdev.sys".
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 detect and remove this threat:
For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.
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