I can assure you more often than not, HijackThis will not provide full details about the infection on a system. Unless you're willing to allow other nasties continue hiding in your system, I strongly urge you to run that ComboFix and AVG Antispyware scan and post the logs here.
There is no point in me asking you to fix entries in HijackThis when there are potentially more things in your system that need fixing and can only be seen through ComboFix log. And from the looks of that HJT log, (which is so badly infected) I'm quite sure there is much more things in your system that will require the help of a ComboFix log to clean out.
It is better for us to provide instructions in fewer posts as possible to improve efficiency of the forums; I'm sure you can understand that Techspot is a very busy place. If you can't follow instructions then there is no point in us providing any.
Regards,
momok