Troj/Agent-GXG is a Trojan for the Windows platform.
When run Troj/Agent-GXG will copy itself to the <systemroot> folder and will delete the copy of itself from its original location on the file system.
Troj/Agent-GXG will then set registry entries under the key:
HKLM\SOFTWARE\Microsoft\active setup\Installed components\{43564368-4375-8601-4371-458454791235\
Troj/Agent-GXG will periodically start an instance of Internet Explorer and attempt to connect to a remote URL.