system
4
Looks clean to me…
This stuff is unnecessary…:
O4 - HKLM..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM..\Run: [QuickTime Task] “C:\Program Files\QuickTime\qttask.exe” -atboottime
O4 - HKCU..\Run: [AIM] C:\Program Files\AIM\aim.exe -cnetwait.odl
and maybe this, too, if you don’t use it often:
O4 - HKCU..\Run: [msnmsgr] “C:\Program Files\MSN Messenger\MsnMsgr.Exe” /background 
P.S.: if you use PANDA-AV
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
be prepared to get “falsepositives” in its files
[EDIT](e.g. pav.sig & imscan.dll), when you use/update Panda-Onlinescanner
→ for more details, see FAQ’s on www.avast.com → support, or link “VirusRemoval” below in my sig 