Qualcuno mi può controllare il logfile di hijackThis?
Grazie

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 17.52.22, on 11/05/2011
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\PROGRA~1\AVG\AVG10\avgchsvx.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\system32\spoolsv.exe
C:\Programmi\Application Updater\ApplicationUpdater.exe
C:\Programmi\AVG\AVG10\avgwdsvc.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\Programmi\File comuni\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\PSIService.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\AVG\AVG10\Identity Protection\Agent\Bin\AVGIDSAgent.exe
C:\Programmi\AVG\AVG10\avgnsx.exe
C:\Programmi\Canon\CAL\CALMAIN.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\VTTimer.exe
C:\WINDOWS\system32\S3trayp.exe
C:\WINDOWS\RTHDCPL.EXE
C:\Programmi\AVG\AVG10\avgtray.exe
C:\Programmi\File comuni\InstallShield\UpdateService\issch.exe
C:\Programmi\File comuni\Java\Java Update\jusched.exe
C:\Programmi\File comuni\Spigot\Search Settings\SearchSettings.exe
C:\Programmi\File comuni\Corel\Corel PhotoDownloader\Corel Photo Downloader.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\File comuni\Ahead\lib\NMBgMonitor.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATICCE.EXE
C:\Programmi\Gadwin Systems\PrintScreen\PrintScreen.exe
C:\Programmi\Logitech\SetPoint\SetPoint.exe
C:\Programmi\Spamihilator\spamihilator.exe
C:\Programmi\File comuni\Logishrd\KHAL2\KHALMNPR.EXE
C:\Programmi\AVG\AVG10\Identity Protection\agent\bin\avgidsmonitor.exe
C:\PROGRA~1\AVG\AVG10\avgrsx.exe
C:\Programmi\AVG\AVG10\avgcsrvx.exe
C:\Programmi\Microsoft Office\OFFICE11\OUTLOOK.EXE
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.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
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Programmi\AVG\AVG10\Toolbar\IEToolbar.dll
R3 - URLSearchHook: pdfforge Toolbar - {B922D405-6D13-4A2B-AE89-08A030DA4402} - C:\Programmi\pdfforge Toolbar\IE\4.1\pdfforgeToolbarIE.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Programmi\AVG\AVG10\avgssie.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Guida per l'accesso a Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programmi\File comuni\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Programmi\AVG\AVG10\Toolbar\IEToolbar.dll
O2 - BHO: pdfforge Toolbar - {B922D405-6D13-4A2B-AE89-08A030DA4402} - C:\Programmi\pdfforge Toolbar\IE\4.1\pdfforgeToolbarIE.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Programmi\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: EpsonToolBandKicker Class - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - C:\Programmi\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: EPSON Web-To-Page - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - C:\Programmi\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: pdfforge Toolbar - {B922D405-6D13-4A2B-AE89-08A030DA4402} - C:\Programmi\pdfforge Toolbar\IE\4.1\pdfforgeToolbarIE.dll
O3 - Toolbar: AVG Security Toolbar - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - C:\Programmi\AVG\AVG10\Toolbar\IEToolbar.dll
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [S3Trayp] S3trayp.exe
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Kernel and Hardware Abstraction Layer] KHALMNPR.EXE
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Programmi\File comuni\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [AVG_TRAY] C:\Programmi\AVG\AVG10\avgtray.exe
O4 - HKLM\..\Run: [SSBkgdUpdate] "C:\Programmi\File comuni\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe" -Embedding -boot
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~1\FILECO~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Programmi\File comuni\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [DNS7reminder] "C:\Programmi\Nuance\NaturallySpeaking10\Ereg\Ereg.exe" -r "C:\Documents and Settings\All Users\Dati applicazioni\Nuance\NaturallySpeaking10\Ereg.ini
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\File comuni\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [SearchSettings] "C:\Programmi\File comuni\Spigot\Search Settings\SearchSettings.exe"
O4 - HKLM\..\Run: [Corel Photo Downloader] "C:\Programmi\File comuni\Corel\Corel PhotoDownloader\Corel Photo Downloader.exe" -startup
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Programmi\File comuni\Ahead\lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [EPSON Stylus D120 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATICCE.EXE /FU "C:\WINDOWS\TEMP\E_S5B.tmp" /EF "HKCU"
O4 - HKCU\..\Run: [Gadwin PrintScreen] C:\Programmi\Gadwin Systems\PrintScreen\PrintScreen.exe /nosplash
O4 - HKCU\..\Run: [BrowserChoice] "C:\WINDOWS\system32\browserchoice.exe" /run
O4 - HKCU\..\RunOnce: [spchecker] "C:\Programmi\AVG\AVG10\Notification\SPCheckerTE.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')
O4 - Startup: Spamihilator.lnk = C:\Programmi\Spamihilator\spamihilator.exe
O4 - Global Startup: Logitech SetPoint.lnk = C:\Programmi\Logitech\SetPoint\SetPoint.exe
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~4\OFFICE11\REFIEBAR.DLL
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
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O15 - Trusted Zone: http://asia.msi.com.tw
O15 - Trusted Zone: http://global.msi.com.tw
O15 - Trusted Zone: http://www.msi.com.tw
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1269412663531
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://www.update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1269421224109
O16 - DPF: {8167C273-DF59-4416-B647-C8BB2C7EE83E} (WebSDev Control) - http://liveupdate.msi.com.tw/autobios/LOnline/install.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O18 - Protocol: avgsecuritytoolbar - {F2DDE6B2-9684-4A55-86D4-E255E237B77C} - C:\Programmi\AVG\AVG10\Toolbar\IEToolbar.dll
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Programmi\AVG\AVG10\avgpp.dll
O23 - Service: Application Updater - Spigot, Inc. - C:\Programmi\Application Updater\ApplicationUpdater.exe
O23 - Service: Autodesk Licensing Service - Autodesk - C:\Programmi\File comuni\Autodesk Shared\Service\AdskScSrv.exe
O23 - Service: AVG Security Toolbar Service - Unknown owner - C:\Programmi\AVG\AVG10\Toolbar\ToolbarBroker.exe
O23 - Service: AVGIDSAgent - AVG Technologies CZ, s.r.o. - C:\Programmi\AVG\AVG10\Identity Protection\Agent\Bin\AVGIDSAgent.exe
O23 - Service: AVG WatchDog (avgwd) - AVG Technologies CZ, s.r.o. - C:\Programmi\AVG\AVG10\avgwdsvc.exe
O23 - Service: Canon Camera Access Library 8 (CCALib8) - Canon Inc. - C:\Programmi\Canon\CAL\CALMAIN.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: Logitech Bluetooth Service (LBTServ) - Logitech, Inc. - C:\Programmi\File comuni\Logitech\Bluetooth\LBTServ.exe
O23 - Service: ProtexisLicensing - Unknown owner - C:\WINDOWS\system32\PSIService.exe

--
End of file - 9828 bytes

Per controllare il log dovresti dire che problemi riscontri, comunque ci sono varie cose da eliminare.
Chiudi tutti i programmi e disconnesso fixa ed elimina le seguenti voci:
C:\Programmi\Application Updater\ApplicationUpdater.exe
C:\Programmi\File comuni\Spigot\Search Settings\SearchSettings.exe
R3 - URLSearchHook: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Programmi\AVG\AVG10\Toolbar\IEToolbar.dll
R3 - URLSearchHook: pdfforge Toolbar - {B922D405-6D13-4A2B-AE89-08A030DA4402} - C:\Programmi\pdfforge Toolbar\IE\4.1\pdfforgeToolbarIE.dll
O2 - BHO: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Programmi\AVG\AVG10\Toolbar\IEToolbar.dll
O2 - BHO: pdfforge Toolbar - {B922D405-6D13-4A2B-AE89-08A030DA4402} - C:\Programmi\pdfforge Toolbar\IE\4.1\pdfforgeToolbarIE.dll
O2 - BHO: EpsonToolBandKicker Class - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - C:\Programmi\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: EPSON Web-To-Page - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - C:\Programmi\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: pdfforge Toolbar - {B922D405-6D13-4A2B-AE89-08A030DA4402} - C:\Programmi\pdfforge Toolbar\IE\4.1\pdfforgeToolbarIE.dll
O3 - Toolbar: AVG Security Toolbar - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - C:\Programmi\AVG\AVG10\Toolbar\IEToolbar.dll
O4 - HKLM\..\Run: [SearchSettings] "C:\Programmi\File comuni\Spigot\Search Settings\SearchSettings.exe"
O23 - Service: Application Updater - Spigot, Inc. - C:\Programmi\Application Updater\ApplicationUpdater.exe
O23 - Service: AVG Security Toolbar Service - Unknown owner - C:\Programmi\AVG\AVG10\Toolbar\ToolbarBroker.exe

Poi installa QUESTO programma, lo aggiorni e poi fai una scansione COMPLETA non veloce, elimina tutto quello che trova.
Fai una pulizia con Ccleaner compreso il registro.
Poi vai in C:\windows, cerca la cartella Prefetch aprila e svuotala completamente.
Disattiva il ripristino configurazione del sistema, riavvia il pc e poi riattivalo e crea un nuovo punto.
Dammi notizie.