As of VPS 0433-2, every file dropped by this plugin is detectable by Avast.

a.htm - JS:Downtr-002 [Trj]
csrss.exe - Win32:Ldpinch-E [Trj]
dll.dll - Win32:Trojano-265 [Trj]
InViS_PlUg1.0.exe - Win32:Ldpinch-E [Trj]
Jamper.exe - Win32:Trojano-255 [Trj]

It seems that this trojan drops a lot of junk registry entries too! :-\