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Adware:W32/Searchcolor

Name : Adware:W32/Searchcolor
Detection Names : Adware:W32/SearchColour
Adware.Searchcolor.A
Adware.Win32.Searchcolor
Category:Spyware
Type:Adware
Platform:W32

Summary

This program delivers advertising content to the user. It is usually annoying but harmless, unless it is combined with spyware or trackware.

Details


Registry Modifications
Sets these values:

  • HKEY_CURRENT_USER\Software\Search Toolbar Corp
  • HKEY_CLASSES_ROOT\CLSID\{821F87FF-8245-4972-9E28-732E92EC2F51}
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{821F87FF-8245-4972-9E28-732E92EC2F51}   
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{821F87FF-8245-4972-9E28-732E92EC2F51}


Additional Details

This is a generic description for Adware:W32/Searchcolor adware family. There are multiple variants in this family.

This adware may be distributed bundled with other applications. It may also be silently downloaded onto the system when an unsuspecting user browses a malicious website.


Installation

During installation, the adware drops the following:

  • %Program Files%\VSToolbar\VSToolBar.dll

This is the file detected as Adware:W32/Searchcolor.  The file is installed as a Microsoft Internet Explorer (IE) toolbar, known as VSToolbar.

The adware also drops the following files as part of its installation:

  • %User%\Application Data\SearchToolbarCorp\Toolbar Vision\PageHistory.txt
  • %User%\Application Data\SearchToolbarCorp\Toolbar Vision\WebHistory.txt

The adware also creates some registry keys (see above).


Activity

This is what the toolbar looks like:



The dropped DLL will be referenced every time IE is launched.

The adware will run hidden in the background, unknown from the user.


Removal


This adware also includes an uninstallation functionality, and it is listed as "VSToolbar for Internet Explorer" in the Add/Remove Application menu in Control Panel.  Once uninstalled, it will delete its registries keys. The DLL file however will still remain in the system.