VBS.Moon.B

Risk Level 1: Very Low

Printer Friendly Page|Rate this page

Discovered:: January 14, 2003
Updated:: February 13, 2007 11:46:46 AM
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 3.x, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

VBS.Moon.B is a VBScript threat that is similar to VBS.Moon@mm. VBS.Moon.B uses the Windows file Wscript.exe to run its instructions and copies itself to the \Windows folder. VBS.Moon.B also reduces the security level of Internet Explorer, sets the speaker mode of the modem, and changes the Internet Explorer home page.

Antivirus Protection Dates

Initial Rapid Release version January 15, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version January 15, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date January 15, 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: Low

Writeup By: Jason Pan

Technical Details

Search Threats

Search by name

Example: W32.Beagle.AG@mm

Internet Security Threat Report, Volume 16