Backdoor.Zdown

Risk Level 1: Very Low

Printer Friendly Page|Rate this page

Discovered:: February 25, 2003
Updated:: February 13, 2007 11:43:30 AM
Also Known As:: TrojanDownloader.Win32.Zdown.1, Downloader-BU [McAfee]
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

Backdoor.Zdown is a backdoor Trojan that gives a hacker unauthorized access to your computer. This backdoor also attempts to disable various antivirus and firewall programs by terminating active processes. Because a Trojan generator produced Backdoor.Zdown, its features are preprogrammed.

Antivirus Protection Dates

Initial Rapid Release version February 25, 2003
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version February 25, 2003
Latest Daily Certified version August 20, 2008 revision 016
Initial Weekly Certified release date February 26, 2003

Click 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: Serghei Sevcenco

Technical Details

Search Threats

Search by name

Example: W32.Beagle.AG@mm

Internet Security Threat Report, Volume 16