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Microsoft Security Intelligence
Published Feb 21, 2005 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: No associated aliases


Windows Defender Antivirus detects and removes this threat.
Win32/Sober is a family of mass-mailing worms that targets certain versions of Microsoft Windows.
The worm sends itself as an attachment to email addresses that it finds in files on the infected PC. The worm is activated when a user opens the attachment.

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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