W32.Moubot

Risk Level 1: Very Low

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Discovered:: July 9, 2003
Updated:: February 13, 2007 12:03:38 PM
Type:: Trojan Horse, Worm
Systems Affected:: Windows 2000, Windows NT, Windows XP

W32.Moubot is a network-aware worm that copies itself as the following files:

C$\WINNT\system32\fix.exe
IPC$\WINNT\system32\fix.exe
ADMIN$\WINNT\system32\fix.exe

W32.Moubot also has a backdoor functionality that allows its creator to control the compromised computer by using Internet Relay Chat (IRC).

This threat is compressed with UPX.

Antivirus Protection Dates

Initial Rapid Release version July 10, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version July 10, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date July 16, 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: Low

Distribution

Distribution Level: Medium

Writeup By: Yana Liu

Technical Details

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Internet Security Threat Report, Volume 16