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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)


Trojan:Win32/Duqu.C is a detection for malicious code that has been injected into running processes, such as "lsass.exe", by Trojan:Win32/Duqu.B. Trojan:Win32/Duqu.C attempts to communicate with a remote server with an IP address to download other code that may be used by the malware to perform other actions and allow unauthorized access of an affected computer.

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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