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Published May 06, 2011 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: ACAD/Dwgun (AVG) ACAD/Dwgun.A (Avira) ALS/Dwgun.a (McAfee) AutoLISP/DWgun.A (CA) ACAD.Grun (Dr.Web) Trojan.Acad (Ikarus) Trojan.Acad.Dwgun.a (Kaspersky) Trojan.Win32.ACAD.t (Rising AV) Troj/Dwgun-A (Sophos) ALS_DWGUN.A (Trend Micro)


Virus:ALisp/Dwgun.A is a virus that targets installations of AutoCAD software.

It arrives in the computer with the file name "acad.fas", along with a drawing file (with the DWG extension). When the DWG file is launched, Virus:ALisp/Dwgun.A is automatically loaded and executed by AutoCAD.

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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