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  3. VBS.Kuullio@mm


Risk Level 2: Low

April 2, 2005
February 13, 2007 12:36:21 PM
Also Known As:
Email-Worm.BAT.Hobat.a [Kasper
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

VBS.Kuullio@mm is a mass-mailing worm that sends itself to all email addresses gathered from the Windows Address Book and attempts to shut down the compromised computer. The email has the following characteristics:
Subject: Movies
Attachment: Date.POP.vbs

Antivirus Protection Dates

  • Initial Rapid Release version April 2, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version April 2, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date April 6, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


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


  • Damage Level: Low


  • Distribution Level: High
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: Hatsuho Honda

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