Published Nov 27, 2005 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Win32.Bofra (CA) Bofra (F-secure) I-Worm.Bofra (Kaspersky) W32/Bofra (Panda) W32/Bofra (Sophos) WORM_BOFRA (Trend Micro) W32.Bofra (Symantec)


Windows Defender Antivirus detects and removes this threat.
Win32/Bofra is a mass-mailing worm that can infect computers running Microsoft Windows. The worm creates a Web server on the infected computer. It sends a copy of itself to any user who connects to the server and requests a URL containing a certain string. The worm also connects to an IRC server to receive commands from attackers. Win32/Bofra terminates immediately if the system time is after December 15, 2004, 02:28:57.

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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