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


February 13, 2007 11:41:30 AM
Risk Impact:
File Names:
feat2.dll,mshp.dll,systk.exe,mfceh.exe,addlv.dll,addmu32.dll,and addrm32.dll
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


Adware.CWSIEFeats is an Internet Explorer Browser Helper Object that changes various Internet Explorer default pages including the Start and Search Pages. It displays pop-up ads and downloads files without the user's knowledge, which in turn install other security risks and may cause further damage.


One or more files is detected as Adware.CWSIEFeats.


Users are usually unaware the adware is being installed through some Web site.

Antivirus Protection Dates

  • Initial Rapid Release version October 2, 2014 revision 022
  • Latest Rapid Release version December 22, 2016 revision 023
  • Initial Daily Certified version December 11, 2004
  • Latest Daily Certified version December 23, 2016 revision 002
  • Initial Weekly Certified release date December 15, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube