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Microsoft Security Intelligence
Published Feb 24, 2006 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: No associated aliases


Windows Defender Antivirus detects and removes this threat.
Win32/Atak is a family of mass-mailing worms.
They search for email addresses in files on an infected PC and send themselves as an attachment to spoofed emails. They can also make duplicate copies of themselves on an infected PC and configure themselves to run when Windows starts.

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 visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

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

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