1. Symantec/
  2. Security Response/
  3. Adware.Mpgcom


February 13, 2007 11:36:28 AM
Risk Impact:
File Names:
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


Adware.Mpgcom is a Browser Helper Object that sends data to and receives data from a remote Web site.


Existence of the file names %Windir%\mpgcom.dll or %Windir%\msnarrator.exe.

  • %Windir% is a variable. The adware locates the Windows installation folder (by default, this is C:\Windows or C:\Winnt) and copies itself to that location.
  • This detection was reclassified from a Trojan horse (it was originally named Trojan.Narat) to a security risk on January 2, 2004.


This adware may be installed when browsing certain Web sites.

Antivirus Protection Dates

  • Initial Rapid Release version October 2, 2014 revision 022
  • Latest Rapid Release version February 1, 2015 revision 020
  • Initial Daily Certified version January 5, 2004
  • Latest Daily Certified version January 26, 2015 revision 023
  • Initial Weekly Certified release date January 7, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

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2016 Internet Security Threat Report, Volume 21
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