Troj/Agent-IOP is a Trojan for the Windows platform.
Troj/Agent-IOP is registered as a new system driver service named "Wuausurv", with a display name of "Wuausurv" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Wuausurv