Open up HijackThis, and click Do a system scan only. Next, click the Config button. On that page, under configuration, click Backups. Inside of there will be a list of everything that you have removed. Simply put a checkmark next to the item below and click
backup-20080727-233320-948 O2 - BHO: ShowBarObj Class - {83A2F9B1-01A2-4AA5-87D1-45B6B8505E96} - C:\Windows\system32\ActiveToolBand.dll
Now locate the file below and check the size of the file then post back here
C:\Windows\system32\ActiveToolBand.dll