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Published Jan 05, 2005 | Updated Sep 15, 2017

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Win32/Zafi

Detected by Microsoft Defender Antivirus

Aliases: W32/Zafi@mm (McAfee) W32.Erkez@mm (Symantec) W32/Zafi@mm (Sophos) W32/Zafi.Worm (Panda)

Summary

Windows Defender Antivirus detects and removes this threat.

Win32/Zafi is a family of mass-mailing worms. The worm sends itself to email addresses that it finds on the infected PC.

It may terminate processes that relate to system utilities and security products. It may change security-related registry key values. Some variants also copy the worm to network-share folders.

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

Microsoft Defender Antivirus for Windows 10 and Windows 8.1, or Microsoft Security Essentials for Windows 7 and Windows Vista
Microsoft Safety Scanner

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.

Win32/Zafi

Summary

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Technical information

Threat behavior

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Symptoms