R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\DOCUME~1\User\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\DOCUME~1\User\LOCALS~1\Temp\sp.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\DOCUME~1\User\LOCALS~1\Temp\sp.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\DOCUME~1\User\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\DOCUME~1\User\LOCALS~1\Temp\sp.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\DOCUME~1\User\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
O2 - BHO: (no name) - {DC10CADF-A97C-44DC-B852-68F6CC3BF801} - C:\WINNT\system32\acehkd.dll
O18 - Filter: text/html - {13FD0B91-26FD-4B27-975C-B2AAB625E0EA} - C:\WINNT\system32\acehkd.dll
O18 - Filter: text/plain - {13FD0B91-26FD-4B27-975C-B2AAB625E0EA} - C:\WINNT\system32\acehkd.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 ( This is the one you are looking for: C:\WINNT\system32\acehkd.dll)
Select Unload DLL and click OK on the prompts that follow.
Reboot and scan with AdAware to remove the txt and html protocol association.
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If you do not have Adaware, download & instal Adaware from here
& update it before scanning.
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.'
Select 'activate in-depth scan' before starting scan.
When the scan is finished select 'next.'
Remove what it finds by placing a check in the box to the left of the object. Reboot