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Microsoft Security Intelligence
Published Oct 14, 2011 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Worm/Win32.Stuxnet (AhnLab) TR/Dropper.Gen (Avira) PWS-Duqu (McAfee)


Trojan:Win32/Duqu.A is a trojan that injects malicious code into other processes. The trojan itself is injected into other processes by Trojan:WinNT/Duqu.A.

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

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