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


Risk Level 1: Very Low

January 14, 2003
February 13, 2007 11:46:46 AM
Trojan Horse
Systems Affected:

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.
Writeup By: Jason Pan

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2016 Internet Security Threat Report, Volume 21
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