please tell me what i really need to delete, and how to go about deleting it....thanks

Logfile of HijackThis v1.99.1
Scan saved at 03:34, on 11/25/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)
Running processes:
C:\WINDOWS\System32\smss.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\Explorer.EXE
C:\WINDOWS\system32\LEXBCES.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\WINDOWS\System32\DSentry.exe
C:\Program Files\Dell\Media Experience\PCMService.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Dell AIO Printer A920\dlbkbmgr.exe
C:\WINDOWS\SM1BG.EXE
C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
C:\Program Files\Dell AIO Printer A920\dlbkbmon.exe
C:\Program Files\DIGStream\digstream.exe
C:\Program Files\ESPNRunTime\DIGServices.exe
C:\Program Files\Common Files\AOL\1102892072\ee\services\sscAntiSpywarePlu gin\ver1_10_3_1\AOLSP Scheduler.exe
C:\Program Files\mcafee.com\antivirus\mcvsescn.exe
C:\Program Files\mcafee.com\antivirus\oasclnt.exe
C:\Program Files\mcafee.com\personal firewall\MPfTray.exe
C:\PROGRA~1\MYWEBS~1\bar\1.bin\mwsoemon.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Common Files\AOL\ACS\AOLAcsd.exe
C:\Program Files\Java\jre1.5.0_09\bin\jusched.exe
C:\Program Files\Common Files\AOL\1102892072\ee\aolsoftware.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Common Files\AOL\TopSpeed\2.0\aoltsmon.exe
C:\Program Files\Digital Line Detect\DLG.exe
C:\Program Files\Common Files\AOL\1102892072\ee\services\sscFirewallPlugin \ver1_10_3_1\aolavupd.exe
C:\PROGRA~1\mcafee.com\ANTIVI~1\mcshield.exe
C:\Program Files\mcafee.com\personal firewall\MPFService.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\wanmpsvc.exe
C:\Program Files\Common Files\AOL\1102892072\ee\services\sscFirewallPlugin \ver1_10_3_1\SSCEvtHdlr.exe
C:\WINDOWS\system32\MsPMSPSv.exe
C:\Program Files\iPod\bin\iPodService.exe
c:\program files\common files\aol\1102892072\ee\aolssc.exe
C:\Program Files\America Online 9.0a\waol.exe
C:\Program Files\America Online 9.0a\shellmon.exe
C:\Documents and Settings\Kathleen\My Documents\HijackThis\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.dell4me.com/myway
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = Yahoo!
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = MSN.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = Windows Live
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = Yahoo! SearchBar Home Page
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = Windows Live
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = MSN.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = Yahoo!
R1 - HKLM\Software\Microsoft\Internet Explorer\SearchURL,(Default) = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyOverride = localhost
R3 - URLSearchHook: (no name) - {5A44E934-2DD3-7F7A-8375-2F27B0E2EC98} - C:\WINDOWS\system32\vvqcrxxt.dll (file missing)
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn1\yt.dll
R3 - URLSearchHook: (no name) - {00A6FAF6-072E-44cf-8957-5838F569A31D} - C:\Program Files\MyWebSearch\SrchAstt\1.bin\MWSSRCAS.DLL
N3 - Netscape 7: user_pref("browser.search.defaultengine", "engine://C%3A%5CProgram%20Files%5CNetscape%5CNetscape%5Csea rchplugins%5CSBWeb_01.src"); (C:\Documents and Settings\Kathleen\Application Data\Mozilla\Profiles\default\dwu07ob4.slt\prefs.j s)
O2 - BHO: MyWebSearch Search Assistant BHO - {00A6FAF1-072E-44cf-8957-5838F569A31D} - C:\Program Files\MyWebSearch\SrchAstt\1.bin\MWSSRCAS.DLL
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn1\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: mwsBar BHO - {07B18EA1-A523-4961-B6BB-170DE4475CCA} - C:\Program Files\MyWebSearch\bar\1.bin\MWSBAR.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_09\bin\ssv.dll
O2 - BHO: Nothing - {b0398eca-0bcd-4645-8261-5e9dc70248d0} - C:\WINDOWS\system32\hp5FFD.tmp (file missing)
O3 - Toolbar: AOL Toolbar - {DE9C389F-3316-41A7-809B-AA305ED9D922} - C:\Program Files\AOL\AOL Toolbar 2.0\aoltb.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn1\yt.dll
O3 - Toolbar: &ESPN - {AE6F2894-AF10-4C9C-B16E-1DFC6FF8C0C6} - C:\Program Files\ESPN\Toolbar\DIGToolBar.dll
O3 - Toolbar: My &Web Search - {07B18EA9-A523-4961-B6BB-170DE4475CCA} - C:\Program Files\MyWebSearch\bar\1.bin\MWSBAR.DLL
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [StorageGuard] "C:\Program Files\Common Files\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [DVDSentry] C:\WINDOWS\System32\DSentry.exe
O4 - HKLM\..\Run: [PCMService] "C:\Program Files\Dell\Media Experience\PCMService.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Dell AIO Printer A920] "C:\Program Files\Dell AIO Printer A920\dlbkbmgr.exe"
O4 - HKLM\..\Run: [SM1BG] C:\WINDOWS\SM1BG.EXE
O4 - HKLM\..\Run: [AOLDialer] C:\Program Files\Common Files\AOL\ACS\AOLDial.exe
O4 - HKLM\..\Run: [Pure Networks Port Magic] "C:\PROGRA~1\PURENE~1\PORTMA~1\PortAOL.exe" -Run
O4 - HKLM\..\Run: [HostManager] C:\Program Files\Common Files\AOL\1102892072\ee\AOLSoftware.exe
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [<°ÜZJÝYMÝlY«Q°aüžõgFC:\Program Files\ISTsvc\istsvc.exe] C:\WINDOWS\kbturwv.exe
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKLM\..\Run: [Á³# L"h'þ9Óœð3rÅWC:\Program Files\ISTsvc\istsvc.exe] C:\WINDOWS\kbturwv.exe
O4 - HKLM\..\Run: [ixwzkfyz] C:\WINDOWS\ixwzkfyz.exe
O4 - HKLM\..\Run: [DIGStream] C:\Program Files\DIGStream\digstream.exe
O4 - HKLM\..\Run: [DIGServices] C:\Program Files\ESPNRunTime\DIGServices.exe /brand=ESPN /priority=0 /poll=24
O4 - HKLM\..\Run: [AOLSPScheduler] C:\Program Files\Common Files\AOL\1102892072\ee\services\sscAntiSpywarePlu gin\ver1_10_3_1\AOLSP Scheduler.exe
O4 - HKLM\..\Run: [sscRun] C:\Program Files\Common Files\AOL\1102892072\ee\services\sscFirewallPlugin \ver1_10_3_1\SSCRun.exe
O4 - HKLM\..\Run: [EmailScan] C:\Program Files\mcafee.com\antivirus\mcvsescn.exe
O4 - HKLM\..\Run: [pkb] C:\WINDOWS\pkb.exe
O4 - HKLM\..\Run: [Anti Trojan Elite] C:\Program Files\Anti Trojan Elite\TJEnder.exe :NO
O4 - HKLM\..\Run: [OASClnt] C:\Program Files\mcafee.com\antivirus\oasclnt.exe
O4 - HKLM\..\Run: [MPFExe] C:\Program Files\mcafee.com\personal firewall\MPfTray.exe
O4 - HKLM\..\Run: [IPHSend] C:\Program Files\Common Files\AOL\IPHSend\IPHSend.exe
O4 - HKLM\..\Run: [MyWebSearch Email Plugin] C:\PROGRA~1\MYWEBS~1\bar\1.bin\mwsoemon.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_09\bin\jusched.exe"
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Fqoqzfc] C:\Program Files\Common Files\??sks\??xplore.exe
O4 - HKCU\..\Run: [MyWebSearch Email Plugin] C:\PROGRA~1\MYWEBS~1\bar\1.bin\mwsoemon.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Digital Line Detect.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: &AOL Toolbar Search - c:\program files\aol\aol toolbar 2.0\resources\en-US\local\search.html
O8 - Extra context menu item: &Search - http://edits.mywebsearch.com/toolbar...rch.jhtml?p=ZS
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_09\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_09\bin\ssv.dll
O9 - Extra button: AOL Toolbar - {3369AF0D-62E9-4bda-8103-B4C75499B578} - C:\Program Files\AOL\AOL Toolbar 2.0\aoltb.dll
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?link...67&clcid=0x409
O16 - DPF: {36C66BBD-E667-4DAD-9682-58050E7C9FDC} (CDKey Class) - http://www.cdkeybonus.com/cdkey/ITCDKey.cab
O16 - DPF: {4A3CF76B-EC7A-405D-A67D-8DC6B52AB35B} - http://aolcc.aol.com/computercheckup/qdiagcc.cab
O16 - DPF: {4D7F48C0-CB49-4EA6-97D4-04F4EACC2F3B} (InstallShield Setup Player 2K2) - http://www.napster.com/client/setup.exe
O16 - DPF: {8DD733A8-353A-4E93-AB85-93CA8DC96F6A} (ActivatorControl1 Class) - https://objects.aol.com/activator/en-us/Activator.cab
O16 - DPF: {90C9629E-CD32-11D3-BBFB-00105A1F0D68} (InstallShield International Setup Player) - http://www.napster.com/client/isetup.cab
O16 - DPF: {94B82441-A413-4E43-8422-D49930E69764} (TLIEFlashObj Class) - http://echat.us.dell.com/Media/Visit.../TLIEFlash.CAB
O16 - DPF: {A031D222-B496-11D2-9CC8-00105A10AAF6} - http://hoylegames.sierra.com/cab/WON...herControl.cab
O16 - DPF: {F54C1137-5E34-4B95-95A5-BA56D4D8D743} (Secure Delivery) - http://www.gamespot.com/KDX/kdx.cab
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O20 - Winlogon Notify: winmmt32 - winmmt32.dll (file missing)
O23 - Service: AOL Connectivity Service (AOL ACS) - America Online - C:\Program Files\Common Files\AOL\ACS\AOLAcsd.exe
O23 - Service: AOL TopSpeed Monitor (AOL TopSpeedMonitor) - America Online, Inc - C:\Program Files\Common Files\AOL\TopSpeed\2.0\aoltsmon.exe
O23 - Service: AOL Antivirus Update Service (aolavupd) - America Online - C:\Program Files\Common Files\AOL\1102892072\ee\services\sscFirewallPlugin \ver1_10_3_1\aolavupd.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPod Service - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE
O23 - Service: McAfee McShield (McShield) - McAfee Inc. - C:\PROGRA~1\mcafee.com\ANTIVI~1\mcshield.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee Corporation - C:\Program Files\mcafee.com\personal firewall\MPFService.exe
O23 - Service: WAN Miniport (ATW) Service (WANMiniportService) - America Online, Inc. - C:\WINDOWS\wanmpsvc.exe

Hi..
Go to Start > Control Panels > Add/Remove Programs and uninstall the following programs if listed:
PuritySCAN By OIN, OIN, OuterInfo or similar.
Reboot and delete this folder if found:
C:\Program Files\PurityScan\

Have "Hijack This" fix all the following items in the list below by placing a check in the appropriate boxes.Confirm that you have only the listed ones checked, then press <Fix checked> and Close HJT.
R3 - URLSearchHook: (no name) - {5A44E934-2DD3-7F7A-8375-2F27B0E2EC98} - C:\WINDOWS\system32\vvqcrxxt.dll (file missing)
O2 - BHO: Nothing - {b0398eca-0bcd-4645-8261-5e9dc70248d0} - C:\WINDOWS\system32\hp5FFD.tmp (file missing)
O4 - HKLM\..\Run: [<°ÜZJÝYMÝlY«Q°aüžõgFC:\Program Files\ISTsvc\istsvc.exe] C:\WINDOWS\kbturwv.exe
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKLM\..\Run: [Á³# L"h'þ9Óœð3rÅWC:\Program Files\ISTsvc\istsvc.exe] C:\WINDOWS\kbturwv.exe
O4 - HKLM\..\Run: [ixwzkfyz] C:\WINDOWS\ixwzkfyz.exe
O4 - HKLM\..\Run: [pkb] C:\WINDOWS\pkb.exe
O4 - HKCU\..\Run: [Fqoqzfc] C:\Program Files\Common Files\??sks\??xplore.exe
O20 - Winlogon Notify: winmmt32 - winmmt32.dll (file missing)

Open Windows Explorer and delete the following highlighted file/s
Also delete the following red folder/s

C:\Program Files\ISTsvc
C:\Program Files\ISTbar
C:\WINDOWS\ixwzkfyz.exe
C:\WINDOWS\kbturwv.exe
C:\WINDOWS\pkb.exe

Reboot and post a new log