You still have traces of the trojan
Please re-open HiJackThis and scan. Check the boxes next to all the entries listed below. [b]
O2 - BHO: Web Mon - {7428F943-BC4F-4A39-3B43-AB433C523B34} - C:\WINDOWS\system32\WebMons.dll (file missing)
[/b]Now close all windows other than HiJackThis, then click Fix Checked. Close HiJackThis.
And just to make sure everything is gone
Download ComboFix from Here or Here to your Desktop.
[*]Double click combofix.exe and follow the prompts.
[*]When finished, it shall produce a log for you. Post that log and a HiJackthis log in your next reply
Note: Do not mouseclick combofix’s window while its running. That may cause it to stall
The trojan you have is more of an adware/malware variation and not a virus