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Revision as of 16:41, 17 February 2008 by CCRDude (talk | contribs) (Description)
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The most common way spy- and adware links into Internet Explorer is creating a browser helper object.


BrowserHelper:[name],<advanced file parameters>


BrowserHelper:"Dummy spyware browser helper"

The first one would detect the following browser helper object:

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{12345678-ABCD-EFAB-CDEF-909876543210}]

As for the second example, it detects the browser helper using the class name, identifying these two entries:

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{12345678-ABCD-EFAB-CDEF-909876543210}]
@="Dummy spyware browser helper"


While using RegyKey might be more fitting for just matching a browser helper object with a static name, you might encounter situations where a random name requires you to use the name of the associated class, or properties of the file the browser helper points to.

  1. The first parameter can identify both the BHO name, or the name of the class associated with the BHO.
  2. The second parameter, though optional, is highly recommended to refine the scan to be limited to BHO that point to a to be identified file, where the filename is gathered from the CLSID associated with the BHO.

Important to point out is that while this is actually named after BHOs, it also detects Internet Explorer toolbars and Windows Explorer toolbars.

See also

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