Backdoor.EZBot

Backdoor.EZBot is a Backdoor Trojan Horse that allows its creator to use Internet Relay Chat (IRC) to gain access to your computer. The filename of the Trojan may vary. The sample which Security Response originally discovered was named svchost.exe.

Backdoor.EZBot is written in Microsoft Visual Basic and is packed with PEBundle and UPX.

Protection

• Initial Rapid Release version September 4, 2003
• Latest Rapid Release version August 20, 2008 revision 017
• Initial Daily Certified version September 4, 2003
• Latest Daily Certified version August 20, 2008 revision 016
• Initial Weekly Certified release date September 4, 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