If you do not have Adaware then download it, but do not run it yet.
Download & instal Adaware from here
& update it.
In settings under 'scanning,' have it set to
'scan within archives,'
'scan active processes,'
'scan registry,'
'deepscan registry'
'scan my IE Favourites for banned URL's,'
'scan my host's file.'
In 'tweaks' under 'scanning engine' set it to 'unload recognised processes during scanning.'
Also in 'tweaks' under 'cleaning engine' set it to 'Automatically try to unregister objects prior to deletion' & 'let Windows remove files in use at next reboot.'
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R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\WINDOWS\TEMP\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\WINDOWS\TEMP\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\WINDOWS\TEMP\sp.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\WINDOWS\TEMP\sp.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\WINDOWS\TEMP\sp.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\WINDOWS\TEMP\sp.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
R3 - Default URLSearchHook is missing
O2 - BHO: (no name) - {82315A18-6CFB-44a7-BDFD-90E36537C252} - C:\Program Files\QuickSearch\QuickSearchBar1_27.dll (file missing)
O2 - BHO: myBar BHO - {0494D0D1-F8E0-41ad-92A3-14154ECE70AC} - C:\PROGRAM FILES\MYWAY\MYBAR\1.BIN\MYBAR.DLL (file missing)
O2 - BHO: MyWay Search Assistant BHO - {04079851-5845-4dea-848C-3ECD647AA554} - C:\PROGRAM FILES\MYWAY\SRCHASTT\1.BIN\MYSRCHAS.DLL (file missing)
O2 - BHO: (no name) - {52008ED7-E050-4BF3-B251-4BAE71EA5E55} - C:\WINDOWS\SYSTEM\EBJ.DLL
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Download and install APM from: http://www.diamondcs.com.au/index.php?page=apm
Close all windows except HijackThis and fix the lines above.
In the upper window of APM select explorer.exe
In the lower window find and rightclick the BHO from the HijackThis log
Select Unload DLL and click OK on the prompts that follow.
Reboot and scan with AdAware to remove the txt and html protocol association.