Run a scan in HijackThis. Check each of the following and hit 'Fix checked' (after checking them) if they still exist (make sure not to miss any):
R3 - Default URLSearchHook is missing
O16 - DPF: {3C2D91AF-5C74-611B-1033-17EF23765003} - http://69.50.182.94/1/rdgUS896.exe
O16 - DPF: {4EB940C1-253A-3944-04CF-5F9303984560} - http://69.50.182.94/1/rdgUS896.exe
Reboot into Normal Mode and run new HijackThis scan. Save the log file and run
KRC HijackThis Analyzer in the same folder to get the
result.txt log. Just post the contents of the result.txt file in the forum.