Troj/BHO-FD is registered as a COM object and Browser Helper Object (BHO) for Microsoft Internet Explorer, creating registry entries under:
HKCR\CLSID\{037C7B8A-151A-49E6-BAED-CC05FCB50328}
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{037C7B8A-151A-49E6-BAED-CC05FCB50328
Troj/BHO-FD also contains functionality to communicate with remote servers via HTTP.