Published Jan 22, 2010 | Updated Jul 11, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: BAT.AutorunT.vs (Kaspersky) W32/Autorun.JQW.worm (Panda) Mal_Otorun2 (Trend Micro)


Windows Defender Antivirus detects and removes this threat.

This is a detection for a file, called autorun.inf, that can be used by worms when they spread to local, network, or removable drives.

The file has instructions to launch the malware automatically when the removable drive is connected to a PC with the Autorun feature turned on.

This is a common way for malware to spread. However, autorun.inf files on their own are not necessarily a sign of infection; they are also used by legitimate programs.

See our infographic to the right which shows how these worms can spread. 

The following Microsoft software detects and removes this threat:

Even if we've already detected and removed this particular threat, running a full scan might find other malware that is hiding on your PC.

Disable Autorun

This threat tries to use the Windows Autorun function to spread via removable drives, like USB flash drives. You can disable Autorun to prevent worms from spreading:

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