1. /
  2. Security Response/
  3. MSH.Cibyz!int


Risk Level 1: Very Low

July 21, 2006
February 13, 2007 12:58:05 PM
Worm, Virus
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

MSH.Cibyz!int is a proof of concept worm written in the Windows PowerShell scripting language. The worm deletes files and attempts to spread through the Kazaa file sharing network.

Detections prior to August 3rd, 2006 may detect this threat as MSH.Czybroks!int

Antivirus Protection Dates

  • Initial Rapid Release version July 22, 2006
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version July 22, 2006
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date July 26, 2006
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Mircea Ciubotariu

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report