Pc lento e processi attivi

Nel Task Manager ho processi attivi e se do una occhiata in Utilizzo Memoria tra i più voluminosi ho:
iexplore.exe 20.854 Kb
VProSvc.exe 25.452 KB
svchost.exe 31.912 KB
explore.exe 32.928 KB
spiderml.exe 42.328 KB
system 89.800 KB
c'è qualcosa di strano? vi posto òa scansione fatta con hijachtis

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18.29.45, on 06/09/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16876)
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\Programmi\AVG\AVG8\avgrsx.exe
C:\Programmi\Lavasoft\Ad-Aware\AAWService.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
C:\Programmi\File comuni\Doctor Web\Scanning Engine\dwengine.exe
C:\WINDOWS\system32\imapi.exe
C:\Programmi\File comuni\LightScribe\LSSrvc.exe
C:\Programmi\Nero\Nero8\Nero BackItUp\NBService.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\AVG\AVG8\avgrsx.exe
C:\Programmi\Telecom Italia\WanMiniport1st\srvany.exe
C:\Programmi\Telecom Italia\WanMiniport1st\WanMiniport1st_srv.exe
C:\PROGRA~1\AVG\AVG8\avgnsx.exe
C:\Programmi\Norton Ghost\Agent\VProSvc.exe
C:\WINDOWS\system32\oodag.exe
C:\Programmi\File comuni\Roxio Shared\10.0\SharedCOM\RoxWatch10.exe
C:\PROGRA~1\DrWeb\spidernt.exe
C:\WINDOWS\system32\devldr32.exe
C:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Programmi\DrWeb\SpIDerAgent.exe
C:\Programmi\DrWeb\spiderml.exe
C:\Programmi\DrWeb\spidergate.exe
C:\PROGRA~1\DrWeb\spiderui.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\system32\oodtray.exe
C:\PROGRA~1\AVG\AVG8\avgemc.exe
C:\Programmi\AVG\AVG8\avgcsrvx.exe
C:\Programmi\QUAD Utilities\QUAD Registry Cleaner\QUAD Scheduler.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\PeerGuardian2\pg2.exe
C:\WINDOWS\system32\dllhost.exe
C:\Programmi\Norton Ghost\Shared\Drivers\SymSnapService.exe
C:\Programmi\Lavasoft\Ad-Aware\AAWTray.exe
C:\Programmi\File comuni\Nero\Lib\NMIndexingService.exe
C:\WINDOWS\system32\taskmgr.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.tiscali.it/
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://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://windowsupdate.microsoft.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: (no name) - *{0579B4B6-0293-4d73-B02D-5EBB0BA0F0A2} - (no file)
R3 - URLSearchHook: (no name) - *{CFBFAE00-17A6-11D0-99CB-00C04FD64497} - (no file)
R3 - URLSearchHook: (no name) - *{EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
R3 - URLSearchHook: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Programmi\AVG\AVG8\Toolbar\IEToolbar.dll
R3 - URLSearchHook: (no name) - *{48405d3d-2674-4cd8-b1ef-9a719443bd3f} - (no file)
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Programmi\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Ask Search Assistant BHO - {0579B4B1-0293-4d73-B02D-5EBB0BA0F0A2} - C:\Programmi\AskSBar\SrchAstt\1.bin\A2SRCHAS.DLL
O2 - BHO: Supporto di collegamento per Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Programmi\AVG\AVG8\avgssie.dll
O2 - BHO: Search USA Toolbar - {48405d3d-2674-4cd8-b1ef-9a719443bd3f} - C:\Programmi\Search_USA\tbSea1.dll
O2 - BHO: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Programmi\AVG\AVG8\Toolbar\IEToolbar.dll
O3 - Toolbar: Yahoo! Toolbar con blocco Pop-Up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: AVG Security Toolbar - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - C:\Programmi\AVG\AVG8\Toolbar\IEToolbar.dll
O3 - Toolbar: Search USA Toolbar - {48405d3d-2674-4cd8-b1ef-9a719443bd3f} - C:\Programmi\Search_USA\tbSea1.dll
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM\..\Run: [SpIDerAgent] "C:\Programmi\DrWeb\SpIDerAgent.exe"
O4 - HKLM\..\Run: [SpIDerMail] "C:\Programmi\DrWeb\spiderml.exe"
O4 - HKLM\..\Run: [SpIDerGate] "C:\Programmi\DrWeb\spidergate.exe" -autorun
O4 - HKLM\..\Run: [SpIDerNT] C:\PROGRA~1\DrWeb\spiderui.exe /agent
O4 - HKLM\..\Run: [OODefragTray] C:\WINDOWS\system32\oodtray.exe
O4 - HKCU\..\Run: [QUAD Windows service] C:\Programmi\QUAD Utilities\QUAD Registry Cleaner\QUAD Registry Cleaner.exe -h
O4 - HKCU\..\Run: [QUAD Scheduler] C:\Programmi\QUAD Utilities\QUAD Registry Cleaner\QUAD Scheduler.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [PeerGuardian] C:\Programmi\PeerGuardian2\pg2.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Programmi\Yahoo!\Common\yinsthelper.dll
O17 - HKLM\System\CCS\Services\Tcpip\..\{6DA7BA9A-E985-4922-ACE0-1CCF75D8059D}: NameServer = 85.37.17.16 85.38.28.68
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Programmi\AVG\AVG8\avgpp.dll
O20 - Winlogon Notify: avgrsstarter - C:\WINDOWS\SYSTEM32\avgrsstx.dll
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: AVG Free8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG Free8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: Dr.Web Scanning Engine (DrWebEngine) (DrWebEngine) - Doctor Web, Ltd. - C:\Programmi\File comuni\Doctor Web\Scanning Engine\dwengine.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Lavasoft Ad-Aware Service - Lavasoft - C:\Programmi\Lavasoft\Ad-Aware\AAWService.exe
O23 - Service: License Management Service ESD - element5 - C:\Programmi\File comuni\element5 Shared\Service\Licence Manager ESD.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Programmi\File comuni\LightScribe\LSSrvc.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Nero BackItUp Scheduler 3 - Nero AG - C:\Programmi\Nero\Nero8\Nero BackItUp\NBService.exe
O23 - Service: Network WanMiniport First Position - Unknown owner - C:\Programmi\Telecom Italia\WanMiniport1st\srvany.exe
O23 - Service: NMIndexingService - Nero AG - C:\Programmi\File comuni\Nero\Lib\NMIndexingService.exe
O23 - Service: Norton Ghost - Symantec Corporation - C:\Programmi\Norton Ghost\Agent\VProSvc.exe
O23 - Service: O&O Defrag - O&O Software GmbH - C:\WINDOWS\system32\oodag.exe
O23 - Service: PLFlash DeviceIoControl Service - Unknown owner - (no file)
O23 - Service: Roxio UPnP Renderer 10 - Sonic Solutions - C:\Programmi\Roxio\Digital Home 10\RoxioUPnPRenderer10.exe
O23 - Service: Roxio UPnP Renderer 9 - Sonic Solutions - (no file)
O23 - Service: Roxio Upnp Server 10 - Sonic Solutions - C:\Programmi\Roxio\Digital Home 10\RoxioUpnpService10.exe
O23 - Service: Roxio Upnp Server 9 - Sonic Solutions - (no file)
O23 - Service: LiveShare P2P Server 10 (RoxLiveShare10) - Sonic Solutions - C:\Programmi\File comuni\Roxio Shared\10.0\SharedCOM\RoxLiveShare10.exe
O23 - Service: LiveShare P2P Server 9 (RoxLiveShare9) - Sonic Solutions - (no file)
O23 - Service: RoxMediaDB10 - Sonic Solutions - C:\Programmi\File comuni\Roxio Shared\10.0\SharedCOM\RoxMediaDB10.exe
O23 - Service: Roxio Hard Drive Watcher 10 (RoxWatch10) - Sonic Solutions - C:\Programmi\File comuni\Roxio Shared\10.0\SharedCOM\RoxWatch10.exe
O23 - Service: SpIDer Guard for Windows (SPIDERNT) - Doctor Web, Ltd. - C:\PROGRA~1\DrWeb\spidernt.exe
O23 - Service: SymSnapService - Symantec - C:\Programmi\Norton Ghost\Shared\Drivers\SymSnapService.exe

--
End of file - 9078 bytes

togli manualmente

C:\Programmi\QUAD Utilities\QUAD Registry Cleaner\QUAD Scheduler.exe

togli tramite hijackthis

R3 - URLSearchHook: (no name) - *{0579B4B6-0293-4d73-B02D-5EBB0BA0F0A2} - (no file)


R3 - URLSearchHook: (no name) - *{48405d3d-2674-4cd8-b1ef-9a719443bd3f} - (no file)

O4 - HKCU\..\Run: [QUAD Windows service] C:\Programmi\QUAD Utilities\QUAD Registry Cleaner\QUAD Registry Cleaner.exe -h

O4 - HKCU\..\Run: [QUAD Scheduler] C:\Programmi\QUAD Utilities\QUAD Registry Cleaner\QUAD Scheduler.exe

O23 - Service: PLFlash DeviceIoControl Service - Unknown owner - (no file)


O23 - Service: Roxio UPnP Renderer 9 - Sonic Solutions - (no file)


O23 - Service: Roxio Upnp Server 9 - Sonic Solutions - (no file)


O23 - Service: LiveShare P2P Server 9 (RoxLiveShare9) - Sonic Solutions - (no file)

grazie boyuniversity, puntuale e chiaro come sempre. Ma toglimi una curiosità "QUAD Utilities\QUAD Registry Cleaner\QUAD Scheduler.exe"
è un programma che ho installato io per una pulizia del pc, per quale motivo va tolto? solo pura curiosità, grazie ancora.