Troj/Agent-GPI is a Trojan for the Windows platform.
When run Troj/Agent-GPI creates the files:
<System>\drivers\Iyl59.sys - detected as Troj/Agent-GPI
<System>\drivers\symavc32.sys - detected as Troj/Agent-GPI
Troj/Agent-GPI then proceeds to run the file symavc32.sys as a service name "symavc32" with a display name of "symavc32" and a startup type of automatic.