Published Oct 19, 2011 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Win-Trojan/Duqu.24960.B (AhnLab) Duqu.A (AVG) Trojan.Duqu.2 (Dr.Web) Win32/Duqu.A (ESET) Trojan.Win32.Duqu.a (Kaspersky) PWS-Duqu!rootkit (McAfee) Duqu_gen.A (Norman) W32/Duqu-A (Sophos) W32.Duqu (Symantec)


Trojan:WinNT/Duqu.B is a variant of WinNT/Duqu, a trojan that could allow unauthorized remote access and control of an affected computer. This trojan component injects payload instructions, detected as Trojan:Win32/Duqu.A, into other processes.

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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