VBS.Krim.B

Risk Level 1: Very Low

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Discovered: June 15, 2002
Updated: February 13, 2007 11:53:18 AM
Type: Trojan Horse, Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP



VBS.Krim.B is a variant of the VBS.Krim@mm worm that sends a component of itself to all contacts in the Microsoft Outlook Address Book. The mailed component is not capable of sending additional email; if it is executed, it will attempt to format drive C. The email would have the following characteristics:
Subject: SMS for YOU by Valentina
Attachment: Mirko.bat

Protection

  • Initial Rapid Release version June 17, 2002
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version June 17, 2002
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date June 19, 2002

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: Easy

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Low

Writeup By: Gor Nazaryan
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