homepage hijacked

Windows xp I have tried to clean this off my PC for a week, using your forum. Have used adaware 6 & Spybot & XoftSpy & about blaster, cleaned out registry files but it keeps coming back. First it was SP.html now it is plain Sp. When you go to 02 on hijackthis (O2 - BHO: (no name) - {4723723D-A504-46D7-BB75-DD40982C0FB7} - C:\windows\System32\lpjpbaa.dll) the dll keep changes every time it is deleted. HELP!!!

Logfile of HijackThis v1.98.0
Scan saved at 4:20:30 PM, on 7/13/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Unable to get Internet Explorer version!

Running processes:
C:\windows\System32\smss.exe
C:\windows\system32\csrss.exe
C:\windows\system32\winlogon.exe
C:\windows\system32\services.exe
C:\windows\system32\lsass.exe
C:\windows\system32\svchost.exe
C:\windows\System32\svchost.exe
C:\windows\System32\svchost.exe
C:\windows\System32\svchost.exe
C:\windows\Explorer.EXE
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\windows\system\hpsysdrv.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\Unload\hpqcmon.exe
C:\WINDOWS\System32\igfxtray.exe
C:\WINDOWS\System32\hkcmd.exe
C:\windows\System32\LXSUPMON.EXE
C:\Program Files\Logitech\iTouch\iTouch.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe
C:\windows\system32\LEXBCES.EXE
C:\SIERRA\Planner\PLNRnote.exe
C:\windows\system32\spoolsv.exe
C:\Program Files\Logitech\MouseWare\system\em_exec.exe
C:\windows\system32\LEXPPS.EXE
C:\windows\System32\alg.exe
C:\Program Files\Common Files\Symantec Shared\ccProxy.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton AntiVirus\SAVScan.exe
C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
C:\windows\System32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\windows\System32\wuauclt.exe
C:\Documents and Settings\Owner\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\DOCUME~1\Owner\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\DOCUME~1\Owner\LOCALS~1\Temp\sp.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\DOCUME~1\Owner\LOCALS~1\Temp\sp.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\DOCUME~1\Owner\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\DOCUME~1\Owner\LOCALS~1\Temp\sp.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\DOCUME~1\Owner\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: Control Popups in Internet Explorer - {41353F8B-78CE-48A5-BE44-153ED293D192} - C:\PROGRA~1\POPUPP~1\PopLib.dll
O2 - BHO: (no name) - {4723723D-A504-46D7-BB75-DD40982C0FB7} - C:\windows\System32\lpjpbaa.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Web assistant - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Program Files\Common Files\Symantec Shared\AdBlocking\NISShExt.dll
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE NvQTwk,NvCplDaemon initialize
O4 - HKLM\..\Run: [CamMonitor] c:\Program Files\Hewlett-Packard\Digital Imaging\Unload\hpqcmon.exe
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [NeroCheck] C:\windows\System32\NeroCheck.exe
O4 - HKLM\..\Run: [LXSUPMON] C:\windows\System32\LXSUPMON.EXE RUN
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Program Files\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [PCDRealtime] C:\WINDOWS\realtime.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [SpySweeper] "C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe" /0
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Event Planner Reminders Tray Icon.lnk = C:\SIERRA\Planner\PLNRnote.exe
O4 - Global Startup: Event Reminder.lnk = ?
O4 - Global Startup: Logitech Desktop Messenger.lnk = C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LDMConf.exe
O8 - Extra context menu item: &Anonymization - C:\windows\System32\sys32.htm
O8 - Extra context menu item: &ieSpell Options - res://C:\Program Files\ieSpell\iespell.dll/SPELLOPTION.HTM
O8 - Extra context menu item: Add to filterlist (WebWasher) - http://-Web.Washer-/ie_add
O8 - Extra context menu item: Check &Spelling - res://C:\Program Files\ieSpell\iespell.dll/SPELLCHECK.HTM
O9 - Extra button: ieSpell - {0E17D5B7-9F5D-4fee-9DF6-CA6EE38B68A8} - res://C:\Program Files\ieSpell\iespell.dll/SPELLCHECK.HTM (file missing)
O9 - Extra 'Tools' menuitem: ieSpell - {0E17D5B7-9F5D-4fee-9DF6-CA6EE38B68A8} - res://C:\Program Files\ieSpell\iespell.dll/SPELLCHECK.HTM (file missing)
O9 - Extra button: (no name) - {1606D6F9-9D3B-4aea-A025-ED5B2FD488E7} - res://C:\Program Files\ieSpell\iespell.dll/SPELLOPTION.HTM (file missing)
O9 - Extra 'Tools' menuitem: ieSpell Options - {1606D6F9-9D3B-4aea-A025-ED5B2FD488E7} - res://C:\Program Files\ieSpell\iespell.dll/SPELLOPTION.HTM (file missing)
O9 - Extra button: PopupPopper Control Panel - {3E94F358-9537-4BBA-8D12-D7F8A0136973} - C:\Program Files\PopupPopper\SiteList.exe
O9 - Extra button: @C:\Program Files\Messenger\Msgslang.dll,-61144 - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: @C:\Program Files\Messenger\Msgslang.dll,-61144 - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O18 - Filter: text/html - {148BE34D-53A7-4CCC-B9F5-CFA0BBF083E9} - C:\windows\System32\lpjpbaa.dll
O18 - Filter: text/plain - {148BE34D-53A7-4CCC-B9F5-CFA0BBF083E9} - C:\windows\System32\lpjpbaa.dll