OK, there's bad stuff here:
O4 - HKLM\\..\\Run: [satmat] C:\\WINDOWS\\satmat.exe
O4 - HKLM\\..\\Run: [farmmext] C:\\WINDOWS\\farmmext.exe
and I don't trust
O4 - HKLM\\..\\Run: [nwpzccjlvprr] C:\\WINDOWS\\system32\\wduzwuty.exe
either - however, i'll leave a fix to the experts...