Saber si esta infctada mi pc

Hola,

He realizado el analisis en mi PC con el Hijack This V2.0.2, y necesito que me apoyen indicando cual es la situación de mi PC, es decir, si está infectada con virus ó no, y que debo hacer.
Logfile of Trend Micro HijackThis v2.0.2

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 08:33:47 a.m., on 22/05/2011
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.19048)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\system32\taskeng.exe
C:\Program Files\PC Tools Internet Security Lite\pctsTray.exe
C:\Program Files\TuneUp Utilities 2011\TuneUpUtilitiesApp32.exe
C:\WINDOWS\RtHDVCpl.exe
C:\WINDOWS\System32\igfxpers.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Windows\system32\igfxsrvc.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Windows\system32\wuauclt.exe
C:\Windows\system32\conime.exe
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\Windows\system32\Macromed\Flash\FlashUtil10l_ActiveX.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Google\Google Toolbar\GoogleToolbarUser_32.exe
C:\Program Files\MSN Toolbar\Platform\6.3.2322.0\mswinext.exe
C:\Program Files\Microsoft\Search Enhancement Pack\SCServer\SCServer.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\Program Files\Windows Live\Companion\companionuser.exe
C:\Program Files\Internet Explorer\IELowutil.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
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 Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.sweetim.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: (no name) - {9CB65206-89C4-402c-BA80-02D8C59F9B1D} - C:\Program Files\AskTBar\SrchAstt\1.bin\A5SRCHAS.DLL
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Ask Search Assistant BHO - {9CB65201-89C4-402c-BA80-02D8C59F9B1D} - C:\Program Files\AskTBar\SrchAstt\1.bin\A5SRCHAS.DLL
O2 - BHO: Windows Live Messenger Companion Helper - {9FDDE16B-836F-4806-AB1F-1455CBEFF289} - C:\Program Files\Windows Live\Companion\companioncore.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.7.6406.1642\swg.dll
O2 - BHO: Bing Bar BHO - {d2ce3e00-f94a-4740-988e-03dc2f38c34f} - C:\Program Files\MSN Toolbar\Platform\6.3.2322.0\npwinext.dll
O2 - BHO: Ask Toolbar BHO - {FE063DB1-4EC0-403e-8DD8-394C54984B2C} - C:\Program Files\AskTBar\bar\1.bin\ASKTBAR.DLL
O3 - Toolbar: Ask Toolbar - {FE063DB9-4EC0-403e-8DD8-394C54984B2C} - C:\Program Files\AskTBar\bar\1.bin\ASKTBAR.DLL
O3 - Toolbar: @C:\Program Files\MSN Toolbar\Platform\6.3.2322.0\npwinext.dll,-100 - {8dcb7100-df86-4384-8842-8fa844297b3f} - C:\Program Files\MSN Toolbar\Platform\6.3.2322.0\npwinext.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [hpsysdrv] c:\hp\support\hpsysdrv.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KbdStub.EXE
O4 - HKLM\..\Run: [IAAnotif] "C:\Program Files\Intel\Intel Matrix Storage Manager\Iaanotif.exe"
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [ISTray] "C:\Program Files\PC Tools Internet Security Lite\pctsTray.exe"
O4 - HKLM\..\Run: [Nero MediaHome 4] "C:\Program Files\Nero\Nero MediaHome 4\NeroMediaHome.exe" /AUTORUN
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKLM\..\RunOnce: [Launcher] %WINDIR%\SMINST\launcher.exe
O4 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe"
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICIO LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVICIO LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'Servicio de red')
O4 - HKUS\S-1-5-21-3900641069-4205782622-1039830455-1003\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'NeroMediaHomeUser.4')
O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\Windows\system32\GPhotos.scr/200
O8 - Extra context menu item: E&xportar a Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Free YouTube to MP3 Converter - C:\Users\PILY ANDREU\AppData\Roaming\DVDVideoSoftIEHelpers\freeyoutubetomp3converter.htm
O8 - Extra context menu item: Google Sidewiki... - res://C:\Program Files\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_6CE5017F567343CA.dll/cmsidewiki.html
O13 - Gopher Prefix:
O16 - DPF: {00000035-9593-4264-8B29-930B3E4EDCCD} (HPVirtualRooms35 Class) - https://www.rooms.hp.com/vRoom_Cab/WebHPVCInstall35.cab
O16 - DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab56986.cab
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/...
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O23 - Service: Intel(R) Alert Service (AlertService) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\CCU\AlertService.exe
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: DQLWinService - Unknown owner - C:\Program Files\Common Files\Intel\IntelDH\NMS\AdpPlugins\DQLWinService.exe
O23 - Service: Servicio de actualización de Google (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Update Servicio (gupdatem) (gupdatem) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Hauppauge WinTV Extender - Hauppauge Computer Works, Inc - C:\PROGRA~1\WinTV\Extend\WINTVE~1.EXE
O23 - Service: HauppaugeTVServer - Hauppauge Computer Works - C:\PROGRA~1\WinTV\TVServer\HAUPPA~1.EXE
O23 - Service: Intel(R) Matrix Storage Event Monitor (IAANTMON) - Intel Corporation - C:\Program Files\Intel\Intel Matrix Storage Manager\Iaantmon.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - c:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Intel DH Service (IntelDHSvcConf) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Tools\IntelDHSvcConf.exe
O23 - Service: Intel(R) Software Services Manager (ISSM) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Media Server\bin\ISSM.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - c:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: Intel(R) Viiv(TM) Media Server (M1 Server) - Unknown owner - C:\Program Files\Intel\IntelDH\Intel Media Server\Media Server\bin\mediaserver.exe
O23 - Service: Intel(R) Application Tracker (MCLServiceATL) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Shells\MCLServiceATL.exe
O23 - Service: Nero MediaHome 4 Service (NeroMediaHomeService.4) - Nero AG - C:\Program Files\Nero\Nero MediaHome 4\NMMediaServerService.exe
O23 - Service: Intel(R) Remoting Service (Remote UI Service) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Shells\Remote UI Service.exe
O23 - Service: RoxMediaDB9 - Sonic Solutions - c:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxMediaDB9.exe
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Program Files\PC Tools Internet Security Lite\pctsAuxs.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Program Files\PC Tools Internet Security Lite\pctsSvc.exe
O23 - Service: StarWind AE Service (StarWindServiceAE) - StarWind Software - C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
O23 - Service: stllssvr - MicroVision Development, Inc. - c:\Program Files\Common Files\SureThing Shared\stllssvr.exe
O23 - Service: TuneUp Utilities Service (TuneUp.UtilitiesSvc) - TuneUp Software - C:\Program Files\TuneUp Utilities 2011\TuneUpUtilitiesService32.exe
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe