C'est un des virus actifs du moment.
"This malware is the dropped DLL file of PE_PARITE.A. It infects all *.EXE and *.SCR files in all local and shared network drives. However, it does not execute on its own and needs to be invoked by another application. "
http://www.trendmicro.com/vinfo/vi [...] E_PARITE.A