Discovered: November 20, 2004
Updated: February 28, 2009 1:14:28 AM
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
Trojan.Vundo is a component of an adware program that downloads and displays pop-up advertisements. It is known to be installed by visiting a Web site link contained in a spammed email.
As of February 25, 2009, Symantec began observing an increase in the number of Trojan.Vundo infections as a direct result of W32.Ackantta.B@mm
.For more information, please read the following:
Initial Rapid Release version May 9, 2006
Latest Rapid Release version April 8, 2009 revision 040
Initial Daily Certified version May 9, 2006
Latest Daily Certified version April 8, 2009 revision 033
Initial Weekly Certified release date May 10, 2006
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Wild Level: Medium
Number of Infections: 1000+
Number of Sites: 10+
Geographical Distribution: Medium
Threat Containment: Moderate
Damage Level: Medium
Payload: May download potentially malicious files on to the compromised computer.
Writeup By: David Curran