- Discovered:
- April 22, 2003
- Updated:
- February 13, 2007 12:00:27 PM
- Type:
- Trojan Horse
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
Backdoor.Kalasbot is a Backdoor Trojan Horse that allows a hacker to control a compromised computer by using the Internet Relay Chat (IRC).
Antivirus Protection Dates
- Initial Rapid Release version April 23, 2003
- Latest Rapid Release version January 12, 2010 revision 017
- Initial Daily Certified version April 23, 2003
- Latest Daily Certified version January 12, 2010 revision 025
- Initial Weekly Certified release date April 23, 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: Medium
Distribution
- Distribution Level: Low
Writeup By: Yana Liu



