I ran hijackthis and i dont know what to leave and what to delete

http://images.thetechguide.com/forum/public/style_emoticons/<#EMO_DIR#>/sad.gif\' class=\'bbc_emoticon\' alt=\'

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Logfile of HijackThis v1.99.1
Scan saved at 8:56:41 PM, on 7/5/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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\spoolsv.exe
C:\WINDOWS\system32\RunDll32.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\system32\devldr32.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\wscntfy.exe
C:\mirc\mirc.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\hijackthis\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.comcast.net/R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.comcast.net/R3 - Default URLSearchHook is missing
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_7_1.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: eBay Toolbar Helper - {22D8E815-4A5E-4DFB-845E-AAB64207F5BD} - C:\Program Files\eBay\eBay Toolbar2\eBayTB.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_7_1.dll
O3 - Toolbar: eBay Toolbar - {92085AD4-F48A-450D-BD93-B28CC7DF67CE} - C:\Program Files\eBay\eBay Toolbar2\eBayTB.dll
O4 - HKLM\..\Run: [SiSUSBRG] C:\WINDOWS\SiSUSBrg.exe
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O8 - Extra context menu item: &eBay Search - res://C:\Program Files\eBay\eBay Toolbar2\eBayTb.dll/RCSearch.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\PROGRA~1\AIM\aim.exe
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
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) -
http://go.microsoft.com/fwlink/?linkid=36467&clcid=0x409O16 - DPF: {3A7FE611-1994-4EF1-A09F-99456752289D} -
http://install.wildtangent.com/ActiveLaunc...iveLauncher.cabO16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) -
http://spaces.msn.com//PhotoUpload/MsnPUpld.cabO16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -
http://v5.windowsupdate.microsoft.com/v5co...b?1111802342965O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) -
http://messenger.msn.com/download/MsnMesse...pDownloader.cabO16 - DPF: {C02226EB-A5D7-4B1F-BD7E-635E46C2288D} (Toontown Installer ActiveX Control) -
http://download.toontown.com/sv1.0.15.35/ttinst.cabO16 - DPF: {EB387D2F-E27B-4D36-979E-847D1036C65D} (QDiagHUpdateObj Class) -
http://h30043.www3.hp.com/aio/en/check/qdiagh.cab?326O16 - DPF: {F58E1CEF-A068-4C15-BA5E-587CAF3EE8C6} (MSN Chat Control 4.5) -
http://chat.msn.com/controls/msnchat45.cabO16 - DPF: {FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6} (IWinAmpActiveX Class) -
http://pdl.stream.Email Removed/downloads/aol/unagi/ampx_en_dl.cab
O23 - Service: NVIDIA Display Driver Service (Omega 1.6177) (Q) (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\System32\HPZipm12.exe
O23 - Service: Sandra Data Service (SandraDataSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite 2005.SR1\RpcDataSrv.exe
O23 - Service: Sandra Service (SandraTheSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite 2005.SR1\RpcSandraSrv.exe
i also ran adaware and it found this p2p worm called:Win32.P2P-Worm.Alcan.a When i run adaware it deletes it but when i run adaware again it keeps finding it again and again.