From the doc: 'Nova is a RAT (Remote Administration Tool). It is edited with the Edit-Server. Once the Edit-Server is opened, it'll ask you to point out the shell server (server.exe), which is used as a basic shell, so you can create and configure your Trojan.'
Backdoor Program [Panda]Backdoor.Novadoor.10Backdoor.Novadoor.10 [Kaspersky]Backdoor/Avon.10!Server [Computer Associates]Backdoor/Novadoor.1_0 [Computer Associates]Win32.Avon.A [Computer Associates]
edit-server.exenova.exeserver.exe