Hi & welcome.
Close all (browser) windows & rescan with hijackthis. When the scan is finished place a check in the box to the left of the following entries & click 'fix checked' :
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://srch-us10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://srch-us10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://srch-us10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://srch-us10.hpwis.com/
O2 - BHO: (no name) - {549B5CA7-4A86-11D7-A4DF-000874180BB3} - (no file)
O2 - BHO: (no name) - {60044E63-EC42-4AB6-9275-2E2C5FB0A689} - C:\WINDOWS\tctuvt.dll
O2 - BHO: (no name) - {A491D208-B353-490F-B81A-A8A3DC97042D} - "C:\WINDOWS\System32\smiehlp.dll (file missing)
O2 - BHO: (no name) - {FDD3B846-8D59-4ffb-8758-209B6AD74ACC} - (no file)
O4 - HKLM\..\Run: [AlcxMonitor] ALCXMNTR.EXE
O4 - HKLM\..\Run: [cmdtnxg] C:\WINDOWS\hpum.exe
O4 - HKLM\..\Run: [RunDLL] rundll32.exe "C:\WINDOWS\Downloaded Program Files\bridge.dll",Load
O16 - DPF: {E0CE16CB-741C-4B24-8D04-A817856E07F4} - http://cabs.roings.com/cabs/budicon.cab
Reboot into safe mode following the instructions here & navigate to & delete the following if found:
C:\WINDOWS\hpum.exe< file
Reboot normally.
Launch Notepad, and copy/paste the bold below into a new text file. Save it as URLRepair.reg (Change the 'Save As Type' to 'All Files'). Save it in C:\
REGEDIT4
[-HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks]
[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks]
"{CFBFAE00-17A6-11D0-99CB-00C04FD64497}"=""
Locate it (in C:\) and double-click on it (launch it). You'll recieve a prompt similar to: "Do you wish to merge the information into the registry?". Answer yes and wait for a message to appear similar to "Merged Successfully".
Post a new log after plz.