Troj/Bckdr-QLQ is a backdoor Trojan for the Windows platform.
Troj/Bckdr-QLQ registers itself as a system service named "Network Connection Service" with the display name "Network Connection Service". Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Network Connection Service
<several entries>
It accepts incoming connection on port 5600 and gives access to the command shell.