Ive been HiJacked and cant get rid of it .. i have tryed useing HiJack this to remove it along with Adaware , windows washer , CW shreder and spybot .. it keeps comeing back .. anyone have some ideas

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.myexexex.com/searchbar.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.myexexex.com/search.php?said=spage&qq=%s
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = file://c:/spad/start.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.myexexex.com/search.php?said=spage
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://www.myexexex.com/search.php?said=spage
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = file://c:/spad/start.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.myexexex.com/searchbar.php
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.myexexex.com/search.php?said=spage&qq=%s
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = file://c:/spad/start.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.myexexex.com/search.php?said=spage&qq=%s
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://www.myexexex.com/search.php?said=spage
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.myexexex.com/search.php?said=spage
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - Startup: MyCorkboard.lnk = C:\Program Files\Corkboard\CORK.EXE
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: NkvMon.exe.lnk = C:\Program Files\Nikon\NkView6\NkvMon.exe
O8 - Extra context menu item: Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger (HKLM)
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Messenger (HKLM)
O13 - DefaultPrefix: http://www.myexexex.com/search.php?said=pfxp&qq=
O13 - WWW Prefix: http://www.myexexex.com/search.php?said=pfxp&qq=
O13 - Home Prefix: http://www.myexexex.com/search.php?said=pfxp&qq=
O13 - Mosaic Prefix: http://www.myexexex.com/search.php?said=pfxp&qq=
O13 - FTP Prefix: http://www.myexexex.com/search.php?said=pfxp&qq=
O13 - Gopher Prefix: http://www.myexexex.com/search.php?said=pfxp&qq=