Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 14.20.00, on 22/10/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16915)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\LSI SoftModem\agrsmsvc.exe
C:\Programmi\PC Tools Internet Security\BDT\BDTUpdateService.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\Programmi\Sandboxie\SbieSvc.exe
C:\Programmi\PC Tools Internet Security\pctsAuxs.exe
C:\Programmi\PC Tools Internet Security\pctsSvc.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\WINDOWS\system32\RunDll32.exe
C:\WINDOWS\system32\RunDll32.exe
C:\Programmi\Analog Devices\Core\smax4pnp.exe
C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
C:\Programmi\Java\jre6\bin\jusched.exe
C:\WINDOWS\SMINST\Scheduler.exe
C:\Programmi\PC Tools Internet Security\pctsTray.exe
C:\Programmi\Sandboxie\SbieCtrl.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\WINDOWS\System32\alg.exe
C:\Programmi\PC Tools Internet Security\TFEngine\TFService.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\File comuni\Adobe\Updater6\Adobe_Updater.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe
C:\WINDOWS\system32\wbem\wmiprvse.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 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Browser Defender BHO - {2A0F3D1B-0909-4FF4-B272-609CCE6054E7} - C:\Programmi\PC Tools Internet Security\BDT\PCTBrowserDefender.dll
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: 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
O3 - Toolbar: PC Tools Browser Guard - {472734EA-242A-422B-ADF8-83D1E48CC825} - C:\Programmi\PC Tools Internet Security\BDT\PCTBrowserDefender.dll
O4 - HKLM\..\Run: [SynTPStart] C:\Programmi\Synaptics\SynTP\SynTPStart.exe
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [CM108Sound] RunDll32 CM108.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [CmUsbSound] RunDll32 cmcnfgu.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Programmi\Analog Devices\Core\smax4pnp.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [TrojanScanner] C:\Programmi\Trojan Remover\Trjscan.exe /boot
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\Sminst\Recguard.exe
O4 - HKLM\..\Run: [Reminder] C:\WINDOWS\Creator\Remind_XP.exe
O4 - HKLM\..\Run: [Scheduler] C:\WINDOWS\SMINST\Scheduler.exe
O4 - HKLM\..\Run: [ISTray] "C:\Programmi\PC Tools Internet Security\pctsTray.exe"
O4 - HKCU\..\Run: [SandboxieControl] "C:\Programmi\Sandboxie\SbieCtrl.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')
O9 - Extra button: PokerStars.it - {C4046502-6524-4d87-896C-878F57D1FF07} - C:\Programmi\PokerStars.IT\PokerStarsUpdate.exe
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
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1248594724953
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O23 - Service: Agere Modem Call Progress Audio (AgereModemAudio) - Agere Systems - C:\Programmi\LSI SoftModem\agrsmsvc.exe
O23 - Service: Browser Defender Update Service - Threat Expert Ltd. - C:\Programmi\PC Tools Internet Security\BDT\BDTUpdateService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: PC Angel (PCA) - SoftThinks - C:\WINDOWS\SMINST\PCAngel.exe
O23 - Service: Sandboxie Service (SbieSvc) - tzuk - C:\Programmi\Sandboxie\SbieSvc.exe
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Programmi\PC Tools Internet Security\pctsAuxs.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Programmi\PC Tools Internet Security\pctsSvc.exe
O23 - Service: ThreatFire - PC Tools - C:\Programmi\PC Tools Internet Security\TFEngine\TFService.exe

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End of file - 6857 bytes

il log e' pulito, ma quale antivirus usi? non riesco a vederne uno, saro' orbo?

@panchoz .
Senza forse. (se vogliamo essere pignoli, è questo:PC Tools Internet Security)
Aiutato da questo:
ThreatFire

@mister_kihu
Se spiegavi anche che tipo di problema che riscontri, potevi aiutarci di più.


Scarica ed installa MalwareBytes:
clicca qui per il download : http://www.aiutamici.com/software?id=80346
Prima di fare la scansione AGGIORNALO. (è molto importante)
Esegui una scansione completa del sistema.
Posta il log.