Toolbar.ASK 

* Registry path

HKEY_CURRENT_USER\software\asktoolbar4
HKEY_CURRENT_USER\software\microsoft\internet explorer\internetregistry\registry\user\s-1-5-21-2893608250-2205728168-3091723128-1001\software\asktoolbar4
HKEY_CURRENT_USER\software\microsoft\internet explorer\searchscopes\{b9c7ce32-da91-43c2-b7e9-0e9aafc675cd}
hlm_key\software\classes\clsid\{3cb073f3-be3c-4e8f-942d-8a747b54486f}
hlm_key\software\microsoft\internet explorer\low rights\elevationpolicy\{1c50c302-c992-4042-8c57-69bd8d004cd0}
hlm_key\software\microsoft\internet explorer\low rights\elevationpolicy\{3cb073f3-be3c-4e8f-942d-8a747b54486f}
hlm_key\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\browser helper objects\{3cb073f3-be3c-4e8f-942d-8a747b54486f}
hlm_key\SOFTWARE\Microsoft\Windows\CurrentVersion\uninstall\asktoolbar4
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\ext\settings\{3cb073f3-be3c-4e8f-942d-8a747b54486f}
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\ext\stats\{3cb073f3-be3c-4e8f-942d-8a747b54486f}
HKEY_LOCAL_MACHINE\software\microsoft\internet explorer\toolbar:{3cb073f3-be3c-4e8f-942d-8a747b54486f}
HKEY_CURRENT_USER\software\microsoft\internet explorer\approved extensions:{3cb073f3-be3c-4e8f-942d-8a747b54486f}
HKEY_CURRENT_USER\software\microsoft\internet explorer\main:startpage##http://eu.ask.com/*<-about:blank

c:\program files\asktoolbar4\asktoolbar4x.dll
c:\program files\asktoolbar4\searchresultstb.dll
c:\program files\asktoolbar4\uninstall.exe