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Microsoft Security Intelligence
Published Jul 16, 2009 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Troj/Keygen (Sophos) Crack (VirusBuster) not-a-virus:Keygen (Kaspersky) CRCK_KEYGEN (Trend Micro)


Windows Defender detects and removes this threat.

This tool generates software keys.

Malware is often installed along with this tool. Microsoft security software finds malware on more than half of the PCs where we detect this tool.

You can read more about Win32/Keygen in Volume 13 of the Security Intelligence Report.

Find out ways that malware can get on your PC.

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find hidden malware.

Get more help

You can also see our advanced troubleshooting page for more help.

If you’re using Windows XP, see our Windows XP end of support page.

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