Summary

Summary
Action
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Protection available since | 6 March 2005 23:38:17 (GMT) |
| Detected by | All Sophos products |
- Free virus, spyware, and adware scan
- Test your existing anti-virus protection
- Find threats your anti-virus missed
Action

Summary
Action
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Please follow the instructions for removing worms.
More Information
W32/Kelvir-B is an instant messenging worm.
W32/Kelvir-B spreads by sending a message through Windows Messenger to all of an infected user's contacts. The message encourages the recipient to visit a web page to download an update and reads:
omg this is funny! <URL>
W32/Kelvir-B will attempt to download a file named PATCH.EXE from a remote website and save it as C:\patch.exe
