Troj/Agent-FZG is a Trojan for the Windows platform.
When Troj/Agent-FZG is installed it creates the folowing files :
<System>\drivers\runtime.sys
<System>\drivers\secdrv.sys
The file runtime.sys is detected as Troj/NTRootK-BY. The file secdrv.sys is detected as Troj/Agent-FVT. These files are used to provide stealthing for the Trojan.