Lets do some cleaning first then.
Download Ewido
http://www.ewido.net/en/download/ then set it up this way
http://rstones12.geekstogo.com/ewidosetup.htm You will need this later in safe mode
Make sure to update this program.
Next, download, install and update 'A-squared' here
http://www.emsisoft.com/en/software/free/
Download, install and update this excellent freebie- Superantispyware here
http://www.superantispyware.com/download.html
Download ATF-Cleaner to your desktop from this link
http://www.atribune.org/content/view/19/2/ You will need it later in safe mode.
Now, reboot your computer in Safe Mode by doing the following.
After hearing your computer beep once during startup, but before the Windows icon appears, tap the F8 key continually;
Instead of Windows loading as normal, a menu with options should appear;
Select the first option, to run Windows in Safe Mode, then press "Enter".
Choose your usual account.
Proceed to the Norton Quarintine folder and delete it's contents.Then 'Disable' Norton.
Begin running your scans in this order.
Ewido ('Scan/Settings'- all boxes are checked under 'Possibly unwanted software' )
A-squared
Superantispyware
Run ATF-Cleaner from safe mode.Double-click ATF-Cleaner.exe to run the program.
Under Main choose: Select All
Click the Empty Selected button.
Reboot into normal windows, run ATF cleaner again, empty the Norton 'Recycle Bin' and run this free online scan from 'Panda'
http://www.pandasoftware.com/products/activescan.htm Save the log and if any infections remain, post it here along with a new HJT log.