Troj/GrayBrd-A is a Trojan for the Windows platform.
When first run Troj/GrayBrd-A copies itself to <System>\FRundlll.exe and creates the file <System>\Deleteme.bat.
The file FRundlll.exe is registered as a new system driver service named "FRundlll", with a display name of "Windows Rwxf" and a startup type of automatic, so that it is started automatically during system startup.
Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\FRundlll\