Rerun HJT,and put a checkmark beside these :-

O2 - BHO: ba3HelperObj Class - {A17B153F-2267-4161-A165-73DCD6C31BEF} - C:\WINDOWS\system32\ba3bho.dll

now close all windows and browsers and click FIX CHECKED

Then boot up in SAFE MODE

Then navigate to and delete these files\folders in BOLD

C:\WINDOWS\system32\ba3bho.dll <----if it is there.

then :-

Please download ComboFix from Here or Here to your Desktop.

**Note: In the event you already have Combofix, this is a new version that I need you to download. It is important that it is saved directly to your desktop**

Please, never rename Combofix unless instructed.
Close any open browsers.
Close/disable all anti virus and anti malware programs so they do not interfere with the running of ComboFix.
- Very Important! Temporarily disable your anti-virus, script blocking and any anti-malware real-time protection before performing a scan. They can interfere with ComboFix or remove some of its embedded files which may cause "unpredictable results".
- Click on this link to see a list of programs that should be disabled. The list is not all inclusive. If yours is not listed and you don't know how to disable it, please ask.
- Close any open browsers.
- WARNING: Combofix will disconnect your machine from the Internet as soon as it starts
- Please do not attempt to re-connect your machine back to the Internet until Combofix has completely finished.
- If there is no internet connection after running Combofix, then restart your computer to restore back your connection.
Double click on combofix.exe & follow the prompts.
When finished, it will produce a report for you.
Please post the "C:\ComboFix.txt" along with a new HijackThis log for further review.

**Note: Do not mouseclick combofix's window while it's running. That may cause it to stall**