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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
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Paul Mangan

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