Troj/Litmus-AS is a backdoor Trojan that runs in the background as a system process and allows unauthorised remote access to the computer via an IRC network connection.
The Trojan copies itself to C:\Windows\Server as svchost.EXE and adds an entry to the registry at:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\LTM2
to run itself on system restart.
The Trojan may also attempt to steal passwords.