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Microsoft Security Intelligence
Published Dec 02, 2010 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Win-Trojan/Vilsel.75776 (AhnLab) Trojan.Win32.Vilsel.aboh (Kaspersky) Win32/Maazben!generic (CA) Win32/Sality.NAQ (ESET) W32/Sality-AU (Sophos) TROJ_STOPSEC.MCL (Trend Micro)


Worm:Win32/Sality.AT is a detection for files that are utilized by Virus:Win32/Sality.AT when spreading. Virus:Win32/Sality.AT is a virus that spreads by infecting Windows executable files and by copying itself to removable and remote drives. It also terminates various security products, prevents certain Windows utilities from executing and attempts to download additional files from a predefined remote Web server.
To detect and remove this threat and other malicious software that may be installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
For more information on antivirus software, see
Additional remediation instructions
For additional instructions on how to return an affected computer to its pre-infected state, please refer to the recovery details for Virus:Win32/Sality.AT.
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