1. /
  2. Security Response/
  3. VBS.Moon.B

VBS.Moon.B

Risk Level 1: Very Low

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 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: Easy

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Low
Writeup By: Jason Pan

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report
Symantec DeepSight Screensaver