Moving to a better forum where someone should be able to answer this
Thanx, I'm new to this could you please tell/suggest a better forum.
Colleague Peacekeeper has already moved it to the proper area
"Backdoor.Remsec" is Symantec's name for it. If you keep an eye on VirusTotal submissions you'll find at least two McAfee names for submitted samples that Symantec says are Backdoor.Remsec. For example :-
As for "PS/Malscript.a" there's only one instance of that, from a McAfee-GW-Edition detection, and it's either been declassified or renamed.