Per favore potete controllare se c'è qualcosa che non và.Grazie

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20.22.39, on 02/11/2009
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:\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\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe
C:\Programmi\SPAMfighter\sfus.exe
C:\Programmi\Spyware Terminator\sp_rsser.exe
C:\WINDOWS\system32\svchost.exe
C:\PROGRA~1\SPEEDB~2\VideoAcceleratorService.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Programmi\SPAMfighter\SFAgent.exe
C:\Programmi\Spyware Terminator\SpywareTerminatorShield.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\RocketDock\RocketDock.exe
C:\Programmi\SpeedBit Video Accelerator\VideoAccelerator.exe
C:\PROGRA~1\SPEEDB~2\VideoAcceleratorEngine.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://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 = about:blank
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Programmi\Search Settings\kb127\SearchSettings.dll
O2 - BHO: (no name) - {1CB20BF0-BBAE-40A7-93F4-6435FF3D0411} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O2 - BHO: AskBar BHO - {201f27d4-3704-41d6-89c1-aa35e39143ed} - C:\Programmi\AskBarDis\bar\bin\askBar.dll (file missing)
O2 - BHO: SBCONVERT - {31B27F2D-6BC6-451B-B3D2-4EAB36B2FC3B} - C:\Programmi\SpeedBit Video Downloader\Toolbar\tbcore3.dll
O2 - BHO: IEVkbdBHO - {59273AB4-E7D3-40F9-A1A8-6FA9CCA1862C} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\ievkbd.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre6\bin\jp2ssv.dll
O2 - BHO: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Programmi\Search Settings\kb127\SearchSettings.dll
O2 - BHO: link filter bho - {E33CF602-D945-461A-83F0-819F76A199F8} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Programmi\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: GrabberObj Class - {FF7C3CF0-4B15-11D1-ABED-709549C10000} - C:\PROGRA~1\SPEEDB~1\Toolbar\grabber.dll
O3 - Toolbar: Toolbar &Crawler - {4B3803EA-5230-4DC3-A7FC-33638F3D3542} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O3 - Toolbar: Foxit Toolbar - {3041d03e-fd4b-44e0-b742-2d9b88305f98} - C:\Programmi\AskBarDis\bar\bin\askBar.dll (file missing)
O3 - Toolbar: (no name) - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - (no file)
O3 - Toolbar: SpeedBit Video Downloader - {0329E7D6-6F54-462D-93F6-F5C3118BADF2} - C:\Programmi\SpeedBit Video Downloader\Toolbar\tbcore3.dll
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
O4 - HKLM\..\Run: [SPAMfighter Agent] "C:\Programmi\SPAMfighter\SFAgent.exe" update delay 60
O4 - HKLM\..\Run: [Malwarebytes Anti-Malware (reboot)] "C:\Programmi\Malwarebytes' Anti-Malware\mbam.exe" /runcleanupscript
O4 - HKLM\..\Run: [SpywareTerminator] "C:\Programmi\Spyware Terminator\SpywareTerminatorShield.exe"
O4 - HKLM\..\Run: [AVP] "C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\avp.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [RocketDock] C:\Programmi\RocketDock\RocketDock.exe
O4 - HKCU\..\Run: [SpeedBitVideoAccelerator] C:\Programmi\SpeedBit Video Accelerator\VideoAccelerator.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')
O8 - Extra context menu item: Aggiungi ad Anti-Banner - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\ie_banner_deny.htm
O8 - Extra context menu item: Crawler Search - tbr:iemenu
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: &Tastiera Virtuale - {4248FE82-7FCB-46AC-B270-339F08212110} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: C&ontrollo URL - {CCF151D8-D089-449F-A5A4-D9909053F20F} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.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
O10 - Unknown file in Winsock LSP: c:\progra~1\speedb~2\sblsp.dll
O10 - Unknown file in Winsock LSP: c:\progra~1\speedb~2\sblsp.dll
O10 - Unknown file in Winsock LSP: c:\progra~1\speedb~2\sblsp.dll
O17 - HKLM\System\CCS\Services\Tcpip\..\{04A354E9-80DE-4178-9975-B3CBADBB15BA}: NameServer = 85.37.17.13 85.38.28.81
O17 - HKLM\System\CS1\Services\Tcpip\..\{04A354E9-80DE-4178-9975-B3CBADBB15BA}: NameServer = 85.37.17.13 85.38.28.81
O18 - Protocol: tbr - {4D25FB7A-8902-4291-960E-9ADA051CFBBF} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O20 - AppInit_DLLs: C:\PROGRA~1\KASPER~1\KASPER~1\mzvkbd3.dll,C:\PROGRA~1\KASPER~1\KASPER~1\kloehk.dll
O23 - Service: Kaspersky Internet Security (AVP) - Kaspersky Lab - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\avp.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: NBService - Nero AG - C:\Programmi\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe
O23 - Service: SPAMfighter Update Service - SPAMfighter ApS - C:\Programmi\SPAMfighter\sfus.exe
O23 - Service: Spyware Terminator Realtime Shield Service (sp_rssrv) - Crawler.com - C:\Programmi\Spyware Terminator\sp_rsser.exe
O23 - Service: VideoAcceleratorService - Speedbit Ltd. - C:\PROGRA~1\SPEEDB~2\VideoAcceleratorService.exe

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End of file - 7886 bytes

ma quale antivirus usi? credo tu abbia diverse infezioni.
R3 - URLSearchHook: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Programmi\Search Settings\kb127\SearchSettings.dll

O2 - BHO: AskBar BHO - {201f27d4-3704-41d6-89c1-aa35e39143ed} - C:\Programmi\AskBarDis\bar\bin\askBar.dll (file missing)

O2 - BHO: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Programmi\Search Settings\kb127\SearchSettings.dll
O3 - Toolbar: (no name) - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - (no file)

Credo che queste voci siano da eliminare, ti suggerisco di fare una scansione con il malwarebytes scaricabile dal sito aiutamici in attesa che qualche esperto dia uno sgurado anche alla situazione antivirus che non e' chiara.

Disattiva il ripristino configurazione di sistema, e tienilo disattivato, fino alla soluzione del problema http://guide.aiutamici.com/guide?C1=7&C2=68&ID=80121

Avvia hijackthis, metti la spunta alle voci che andrò ad elencarti e con tutte le applicazioni chiuse e disconnesso da Internet,premi su fix checked

R3 - URLSearchHook: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Programmi\Search Settings\kb127\SearchSettings.dll
O2 - BHO: (no name) - {1CB20BF0-BBAE-40A7-93F4-6435FF3D0411} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O2 - BHO: AskBar BHO - {201f27d4-3704-41d6-89c1-aa35e39143ed} - C:\Programmi\AskBarDis\bar\bin\askBar.dll (file missing)
O2 - BHO: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Programmi\Search Settings\kb127\SearchSettings.dll
O3 - Toolbar: Toolbar &Crawler - {4B3803EA-5230-4DC3-A7FC-33638F3D3542} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O3 - Toolbar: Foxit Toolbar - {3041d03e-fd4b-44e0-b742-2d9b88305f98} - C:\Programmi\AskBarDis\bar\bin\askBar.dll (file missing)
O3 - Toolbar: (no name) - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - (no file)
O4 - HKLM\..\Run: [Malwarebytes Anti-Malware (reboot)] "C:\Programmi\Malwarebytes' Anti-Malware\mbam.exe" /runcleanupscript
O4 - HKCU\..\Run: [RocketDock] C:\Programmi\RocketDock\RocketDock.exe
O10 - Unknown file in Winsock LSP: c:\progra~1\speedb~2\sblsp.dll
O10 - Unknown file in Winsock LSP: c:\progra~1\speedb~2\sblsp.dll
O10 - Unknown file in Winsock LSP: c:\progra~1\speedb~2\sblsp.dll

Trova e cancella i file in rosso:
C:\Programmi\Search Settings\kb127\SearchSettings.dll (è una cartella)

Dai una pulita (registro compreso)con CCleaner http://www.aiutaamici.com/software?ID=11223
Nella schermata iniziale di CCleaner, clicca su Opzioni e poi Avanzate, togli il segno di spunta a: Cancella i file in Windows Temp solo se più vecchi di 48 ore. (poi esegui le pulizie)

Riavvia il pc.

Disistalla Spyware Terminator (non serve con Kaspersky, anzi, è mezzo incompatibile)

Vai in "Installazione Applicazioni" e Rimuovi Tutte le Toolbar che vedi.
Rifai una pulizia (registro compreso) con CCleaner.

Fai una scansione con il tuo antivirus.
Posta un nuovo log di HJT.

Ecco il log che mi dà Hijck dopo gli interventi suggeritomi.
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 22.15.23, on 10/11/2009
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:\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\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe
C:\Programmi\SPAMfighter\sfus.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Programmi\SPAMfighter\SFAgent.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\msiexec.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://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 = about:blank
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: IEVkbdBHO - {59273AB4-E7D3-40F9-A1A8-6FA9CCA1862C} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\ievkbd.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre6\bin\jp2ssv.dll
O2 - BHO: link filter bho - {E33CF602-D945-461A-83F0-819F76A199F8} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Programmi\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
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
O4 - HKLM\..\Run: [SPAMfighter Agent] "C:\Programmi\SPAMfighter\SFAgent.exe" update delay 60
O4 - HKLM\..\Run: [AVP] "C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\avp.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.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')
O8 - Extra context menu item: Aggiungi ad Anti-Banner - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\ie_banner_deny.htm
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: &Tastiera Virtuale - {4248FE82-7FCB-46AC-B270-339F08212110} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: C&ontrollo URL - {CCF151D8-D089-449F-A5A4-D9909053F20F} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\klwtbbho.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
O20 - AppInit_DLLs: C:\PROGRA~1\KASPER~1\KASPER~1\mzvkbd3.dll,C:\PROGRA~1\KASPER~1\KASPER~1\kloehk.dll
O23 - Service: Kaspersky Internet Security (AVP) - Kaspersky Lab - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2010\avp.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: NBService - Nero AG - C:\Programmi\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe
O23 - Service: SPAMfighter Update Service - SPAMfighter ApS - C:\Programmi\SPAMfighter\sfus.exe

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End of file - 5198 bytes