Looking good. The bad stuff is just about all gone.
For completeness, I suggest having HijackThis remove these two:
O4 - Startup: PowerReg Scheduler.exe
O23 - Service:
Network Security Service (NSS) ( 11Fßä#·ºÄÖ`I) - Unknown owner - C:\WINDOWS\system32\addpi32.exe (file missing)
They are either undesirable or unnecessary.
Then reboot and make sure they are still gone.
I hope you're not getting that "Your system is infected..." message any more.