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VBS.Bryon@mm

Risk Level 1: Very Low

Discovered:
November 13, 2003
Updated:
February 13, 2007 12:13:32 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

VBS.Bryon@mm is a mass-mailing VBS script that spreads by email, mapped drives, and mIRC.

The email message for this worm will have the following characteristics.

Subject: Mail delivery failed: returning message to sender.

Attachment: Message.vbs

Antivirus Protection Dates

  • Initial Rapid Release version November 13, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version November 13, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date November 17, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Medium
Writeup By: Paul Mangan

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