How certain are you that the machine is Malware free ?
What you'll need to determine is what ActiveX components are
installed on your machine. You can either do this via IE Tools
menu or with Windows Explorer.
The ActiveX components are stored in the System folder:
\Windows\Downloaded Program Files
Normally, Explorer's View won't display this content so you
need to change the View options to include:
1.) Show Hidden Files & Folders ( Checked )
2.) Hide Extensions for Known File Types ( Unchecked )
3.) Hide Protected Operating System Files ( Unchecked )
To change View - Open Explorer, Click Tools, Folder Options
View (TAB) = locate the options listed above.
You should now be able to view the ActiveX components that
are loaded on your PC. Right Click each, take Properties. On
the details box you'll see "Codebase:" this should indicate the
source or company associated with the ActiveX.
For Help/Instructions with Malware detection/removal see
Malke's web page:
http://elephantboycomputers.com/page2.html#Removing_Malware