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Worm:Win32/Bugbear.B@mm
Detected by Microsoft Defender Antivirus
Aliases: Win32.Bugbear.B (CA) W32.Bugbear.b@mm (McAfee) W32.Bugbear.B@mm (Symantec) PE_BUGBEAR.B (Trend Micro)
Summary
Win32/Bugbear.B@mm is a mass-mailing e-mail worm that also spreads via unprotected network shares. E-mail messages used by the Win32/Bugbear.B@mm worm may use the vulnerability mentioned in Microsoft Security Bulletin MS01-020, Incorrect MIME Header Can Cause IE to Execute E-mail Attachment, to run automatically on some computers when an infected e-mail is viewed. Win32/Bugbear.B@mm also includes a file infecting component and opens an unsecured backdoor on TCP port 1080.
Manual removal is not recommended for this threat. Use the Microsoft Malicious Software Removal Tool, Microsoft Security Essentials, Microsoft Safety Scanner, or another up-to-date scanning and removal tool to detect and remove this threat and other unwanted software from your computer. For more information on Microsoft security products, see http://www.microsoft.com/protect/products/computer/default.mspx.
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