Troj/Hider-O is aTrojan for the Windows platform.
When installed Troj/Hider-O copies itself to the <System>\isass.exe.
The file isass.exe is registered as a new system driver service named "CSNetManagerXp", with a display name of "CSNetManagerXp" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\CSNetManagerXp\