Please re-open HiJackThis and scan. Check the boxes next to all the entries listed below.
F2 - REG:system.ini: UserInit=C:\Windows\system32\userinit.exe,C:\Windows\system32\sdra64.exe,
O2 - BHO: (no name) - {1392b8d2-5c05-419f-a8f6-b9f15a596612} - (no file)
O4 - HKCU\..\Run: [defender32.exe] C:\Users\DUSTY&~1\AppData\Local\Temp\defender32.exe
Now close all windows other than HiJackThis, then click Fix Checked. Close HiJackThis. Reboot into safe mode.
Please go to Start > Control Panel > Add/Remove Programs and remove the following (if present):
Conduit Toolbar
Please note any other programs that you don't recognize in that list in your next response.
Using Windows Explorer (to get there right-click your Start button and go to "Explore"), please delete these files (if present):
C:\Users\DUSTY&~1\AppData\Local\Temp\defender32.exe
C:\Windows\system32\sdra64.exe
After that, Reboot, and post a new HijackThis log here in a reply.