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,Search Bar = http://red.clientapps.yahoo.com/cus...rch/search.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://red.clientapps.yahoo.com/cus...//www.yahoo.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://red.clientapps.yahoo.com/cus...://my.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://red.clientapps.yahoo.com/cus...rch/search.html
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://red.clientapps.yahoo.com/cus...//www.yahoo.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = about:blank
O2 - BHO: (no name) - {000020DD-C72E-4113-AF77-DD56626C6C42} - (no file)
O4 - HKLM\..\Run: [RunDLL] rundll32.exe "C:\WINDOWS\Downloaded Program Files\bridge.dll",Load
O4 - HKCU\..\Run: [WAPI] C:\WINDOWS\System32\wtsit.exe
Fix these two if you didn't set them:
O15 - Trusted Zone: *.mt-download.com
O15 - Trusted Zone: *.vladzone.com
O16 - DPF: {AD7FAFB0-16D6-40C3-AF27-585D6E6453FD} - http://dload.ipbill.com/del/loader.cab
Reboot into safe mode following the instructions here & navigate to & delete the following if found:
C:\WINDOWS\System32\wtsit.exe<<<<
Reboot normally after doing the above then post a fresh log plz.