1. Symantec/
  2. Security Response/
  3. W32.Beagle.AO@mm


Risk Level 2: Low

August 9, 2004
February 13, 2007 12:26:17 PM
Also Known As:
W32/Bagle.aq@MM [McAfee], WORM_BAGLE.AC [Trend Micro], Win32.Bagle.AG [Computer Assoc, W32/Bagle-AQ [Sophos], I-Worm.Bagle.al [Kaspersky]
Systems Affected:

W32.Beagle.AO@mm is a mass-mailing worm that uses its own SMTP engine to spread. The email attachment is a downloader, similar to the Mitglieder family of Trojans, that downloads the worm from an external source.

The worm also contains backdoor functionality, opening TCP port 80 and UDP port 80.

Note: Virus definitions version 60809aj (extended version 8/9/2004 rev. 36) and greater are required to detect this threat. The respective LiveUpdate definitions which contain protection are version 60809ak (8/9/2004 rev. 37).

Translations of this Document:
Given the time needed to translate documents into other languages, the translated versions of this document may vary in content if the English document was updated with new information during the translation process. The English document always contains the most up-to-date information.

Available translations:
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Antivirus Protection Dates

  • Initial Rapid Release version August 9, 2004
  • Latest Rapid Release version September 28, 2017 revision 037
  • Initial Daily Certified version August 9, 2004
  • Latest Daily Certified version September 29, 2017 revision 001
  • Initial Weekly Certified release date August 9, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

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2016 Internet Security Threat Report, Volume 21
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