What does HiJackThis do?

I did a scan because i might have viruses on my computer. can anyone check this log out?
I am just a beginner with computers.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 8:22:16 PM, on 30/08/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

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:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\ehome\ehtray.exe
C:\WINDOWS\RTHDCPL.EXE
C:\WINDOWS\V0500Mon.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIADA.EXE
C:\Program Files\Yahoo!\Search Protection\SearchProtection.exe
C:\Program Files\Updates from HP\9972322\Program\Updates from HP.exe
C:\Program Files\Yahoo!\Yahoo! Music Jukebox\ymetray.exe
C:\WINDOWS\arservice.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Program Files\Common Files\LightScribe\LSSrvc.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\PnkBstrA.exe
C:\WINDOWS\system32\PnkBstrB.exe
C:\Program Files\Trusteer\Rapport\bin\RapportMgmtService.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Yahoo!\SoftwareUpdate\YahooAUService.exe
C:\Program Files\Trusteer\Rapport\bin\RapportService.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FAMTADA.EXE
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\WINDOWS\system32\NOTEPAD.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=EN_CA&c=64&bd=PAVILION&pf=desktop
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iesearch&locale=EN_CA&c=64&bd=PAVILION&pf=desktop
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://ca.rd.yahoo.com/customize/ie/defaults/sp/msgr9/*http://ca.search.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://sympatico.msn.ca
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://ca.red.clientapps.yahoo.com/customize/rogers/defaults/sb/*http://www.yahoo.com/search/ie.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://ca.search.yahoo.com/search?fr=mcafee&p=%s
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn1\yt.dll
O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn1\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Yahoo! IE Services Button - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\PROGRA~1\Yahoo!\Common\yiesrvc.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: hpWebHelper Class - {AAAE832A-5FFF-4661-9C8F-369692D1DCB9} - C:\WINDOWS\pchealth\helpctr\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\plugin\WebHelper.dll
O2 - BHO: SidebarAutoLaunch Class - {F2AA9440-6328-4933-B7C9-A6CCDF9CBF6D} - C:\Program Files\Yahoo!\browser\YSidebarIEBHO.dll
O2 - BHO: SingleInstance Class - {FDAD4DA1-61A2-4FD8-9C17-86F7AC245081} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn1\YTSingleInstance.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn1\yt.dll
O4 - HKLM..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM..\Run: [AlwaysReady Power Message APP] ARPWRMSG.EXE
O4 - HKLM..\Run: [nwiz] nwiz.exe /install
O4 - HKLM..\Run: [HPBootOp] “C:\Program Files\Hewlett-Packard\HP Boot Optimizer\bak\HPBootOp.exe” /run""
O4 - HKLM..\Run: [COMODO Firewall Pro] “C:\Program Files\COMODO\Firewall\cfp.exe” -h
O4 - HKLM..\Run: [V0500Mon.exe] C:\WINDOWS\V0500Mon.exe
O4 - HKLM..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM..\Run: [EPSON Stylus CX4800 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIADA.EXE /P26 "EPSON

Stylus CX4800 Series" /O6 “USB001” /M “Stylus CX4800”
O4 - HKLM..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKCU..\Run: [Update Manager] “C:\Program Files\Rogers\Update Manager\UpdateManager.exe” /background
O4 - HKCU..\Run: [updateMgr] C:\Program Files\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe AcRdB7_0_5 -reboot 1
O4 - HKCU..\Run: [Search Protection] C:\Program Files\Yahoo!\Search Protection\SearchProtection.exe
O4 - HKCU..\Run: [winlog.exe] C:\Documents and Settings\HP_Administrator\Application Data\Microsoft\winlog.exe
O4 - HKCU..\Run: [SpybotSD TeaTimer] C:\Documents and Settings\HP_Administrator\Desktop\Spybot - Search & Destroy\TeaTimer.exe
O4 - .DEFAULT User Startup: Pin.lnk = C:\hp\bin\CLOAKER.EXE (User ‘Default user’)
O4 - .DEFAULT User Startup: PinMcLnk.lnk = C:\hp\bin\cloaker.exe (User ‘Default user’)
O4 - Startup: Epson all-in-one Registration.lnk = E:\Titles\Ereg\EPSONREG.EXE
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Updates From HP.lnk = C:\Program Files\Updates from HP\9972322\Program\Updates from HP.exe
O4 - Global Startup: ymetray.lnk = C:\Program Files\Yahoo!\Yahoo! Music Jukebox\ymetray.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra ‘Tools’ menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Blog This - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra ‘Tools’ menuitem: &Blog This in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Rogers Yahoo! Services - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\PROGRA~1\Yahoo!\Common\yiesrvc.dll
O9 - Extra button: Internet Connection Help - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm
O9 - Extra ‘Tools’ menuitem: Internet Connection Help - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm
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
O15 - Trusted Zone: http://*.trymedia.com (HKLM)
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab56986.cab
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (Installation Support) - C:\Program Files\Yahoo!\Common\Yinsthelper.dll
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://gfx2.hotmail.com/mail/w3/resources/MSNPUpld.cab
O16 - DPF: {5C6698D9-7BE4-4122-8EC5-291D84DBD4A0} (Facebook Photo Uploader 4 Control) - http://upload.facebook.com/controls/FacebookPhotoUploader3.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/flashplayer/current/swflash.cab
O16 - DPF: {DB7BF79A-FC51-4B5A-92BC-A65731174380} (InstantAction Game Launcher) - http://www.instantaction.com/download/iaplayer.cab
O20 - AppInit_DLLs:
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: nProtect GameGuard Service (npggsvc) - Unknown owner - C:\WINDOWS\system32\GameMon.des.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: PnkBstrA - Unknown owner - C:\WINDOWS\system32\PnkBstrA.exe
O23 - Service: PnkBstrB - Unknown owner - C:\WINDOWS\system32\PnkBstrB.exe
O23 - Service: Rapport Management Service (RapportMgmtService) - Unknown owner - C:\Program Files\Trusteer\Rapport\bin\RapportMgmtService.exe
O23 - Service: Creative VF0500 RunApp Service (V0500Srv) - Creative Technology Ltd. - C:\WINDOWS\system32\V0500Srv.exe
O23 - Service: Yahoo! Updater (YahooAUService) - Yahoo! Inc. - C:\Program Files\Yahoo!\SoftwareUpdate\YahooAUService.exe
O23 - Service: YPCService - Yahoo! Inc. - C:\WINDOWS\system32\YPCSER~1.EXE


End of file - 10628 bytes

Well first thing you should do is update XP to service pack 3. Second is you should have posted this in the virus forum. You can paste the log here
http://hjt.networktechs.com/ and see what comes up. HiJackThis is useful but can not show everything such as a rootkit.

WinXP SP3 has been available for over a year so you should go to Tools then Windows Update in Internet Explorer and install all updates as it provides performance enhancements and several Critical updates.

Go to Control panel then Automatic updates then enable at least Notify me but do not download updates.

InstallUser Profile Hive Cleanup Service:
Brief Description
A service to help with slow log off and unreconciled profile problems.
http://www.microsoft.com/downloads/details.aspx?familyid=1B286E6D-8912-4E18-B570-42470E2F3582&displaylang=en

Java is way down level and has security exposures:
C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll

Go to Add/Remove Programs and un-install all Java installs.

Run Secunia Online Software Inspector to see what applications are vulnerable:
http://secunia.com/vulnerability_scanning/online

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