taskmanager.exe isn't the only one. mnpol.exe is a Adult content dialler
HPGNUFIS.EXE, LMPDSRV.EXE, HPOPNZ08.EXE and PPOEVEM08.EXE are not even known to google which is very suspicious.
WNSCRIPT.EXE gives only one result on google.
WTOOLSA.EXE and WTOOLSS.EXE are spyware.