problem in the closure of the program

Logfile of HijackThis v1.99.1
Scan saved at 12.36.25, on 08/04/2006
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\Ati2evxx.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINNT\System32\CTsvcCDA.exe
C:\WINNT\System32\svchost.exe
C:\Programmi\Roxio\GoBack\GBPoll.exe
C:\Programmi\Kerio\Personal Firewall 4\kpf4ss.exe
C:\Programmi\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
C:\Programmi\Norton SystemWorks\Norton Utilities\NPROTECT.EXE
C:\Programmi\Kerio\Personal Firewall 4\kpf4gui.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\tcpsvcs.exe
C:\WINNT\System32\snmp.exe
C:\PROGRA~1\NORTON~1\SPEEDD~1\nopdb.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\system32\Ati2evxx.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\System32\MsPMSPSv.exe
C:\WINNT\Explorer.EXE
C:\WINNT\system32\svchost.exe
C:\WINNT\System32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\SymTray.exe
C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Programmi\Creative\SBAudigy LS\Surround Mixer\CTSysVol.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\PROGRA~1\Logitech\MOUSEW~1\SYSTEM\EM_EXEC.EXE
C:\Programmi\HDSL640 USB ADSL Modem\CnxDslTb.exe
C:\WINNT\system32\LVCOMSX.EXE
C:\Programmi\Logitech\Video\LogiTray.exe
C:\Programmi\QuickTime\qttask.exe
C:\WINNT\system32\UMonit2k.exe
C:\WINNT\system32\internat.exe
C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
C:\Programmi\Kerio\Personal Firewall 4\kpf4gui.exe
C:\Programmi\Skype\Phone\Skype.exe
C:\Programmi\FotoStation Easy\FotoStation Easy AutoLaunch.exe
C:\Programmi\Roxio\GoBack\GBTray.exe
C:\Programmi\Nikon\NkView5\NkvMon.exe
C:\Programmi\Logitech\Video\FxSvr2.exe
C:\Programmi\Windows Media Player\wmplayer.exe
C:\Documents and Settings\giuseppe zanetti\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://search.msn.it/spbasic.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.msn.it/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.msn.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: CNavExtBho Class - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O2 - BHO: QUICKfind BHO Object - {C08DF07A-3E49-4E25-9AB0-D3882835F153} - C:\Programmi\TEXTware\QUICKfind\PlugIns\IEHelp.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - Toolbar: &Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [ATIPTA] C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [CTSysVol] C:\Programmi\Creative\SBAudigy LS\Surround Mixer\CTSysVol.exe /r
O4 - HKLM\..\Run: [UpdReg] C:\WINNT\UpdReg.EXE
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Programmi\File comuni\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [SymTray - Norton SystemWorks] C:\Programmi\File comuni\Symantec Shared\Symtray.exe SetReg
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Programmi\File comuni\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [EM_EXEC] C:\PROGRA~1\Logitech\MOUSEW~1\SYSTEM\EM_EXEC.EXE
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINNT\system32\spool\drivers\w32x86\3\hpztsb04.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [MAGIXautostart] D:\setup.exe
O4 - HKLM\..\Run: [CnxDslTaskBar] C:\Programmi\HDSL640 USB ADSL Modem\CnxDslTb.exe
O4 - HKLM\..\Run: [LVCOMSX] C:\WINNT\system32\LVCOMSX.EXE
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Programmi\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Programmi\Logitech\Video\LogiTray.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [QD FastAndSafe] C:\PROGRA~1\NORTON~1\NORTON~2\QDCSFS.exe /scheduler
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINNT\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Gene USB Monitor] C:\WINNT\system32\UMonit2k.exe
O4 - HKLM\..\RunOnce: [SymTray - Norton SystemWorks] C:\Programmi\File comuni\Symantec Shared\Symtrdr.exe
O4 - HKCU\..\Run: [internat.exe] internat.exe
O4 - HKCU\..\Run: [LogitechSoftwareUpdate] C:\Programmi\Logitech\Video\ManifestEngine.exe boot
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [PnPUI Registrator] C:\Programmi\Common Files\Sitecom Shared\PnP Universal Installer\PnPUIReg.exe -s
O4 - HKCU\..\Run: [Skype] "C:\Programmi\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: EPSON Status Monitor 3 Environment Check.lnk = C:\WINNT\system32\spool\drivers\w32x86\3\E_SRCV03.EXE
O4 - Global Startup: FotoStation Easy AutoLaunch.lnk = C:\Programmi\FotoStation Easy\FotoStation Easy AutoLaunch.exe
O4 - Global Startup: GoBack.lnk = C:\Programmi\Roxio\GoBack\GBTray.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: NkvMon.exe.lnk = C:\Programmi\Nikon\NkView5\NkvMon.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: Free Surfer - {AFC3FA82-AD07-45cd-8B57-983435B9899E} - C:\Programmi\Free Surfer\FS20.exe
O9 - Extra 'Tools' menuitem: Free Surfer - {AFC3FA82-AD07-45cd-8B57-983435B9899E} - C:\Programmi\Free Surfer\FS20.exe
O16 - DPF: Yahoo! Pool 2 - http://download.games.yahoo.com/games/clients/y/potf_x.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{D8604212-5BBA-42B1-B3F9-3CE965AC7DB0}: NameServer = 193.70.152.15 193.70.152.25
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINNT\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINNT\system32\ati2sgag.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccPwdSvc.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINNT\System32\CTsvcCDA.exe
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: GBPoll - Roxio, Inc. - C:\Programmi\Roxio\GoBack\GBPoll.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Kerio Personal Firewall 4 (KPF4) - Kerio Technologies - C:\Programmi\Kerio\Personal Firewall 4\kpf4ss.exe
O23 - Service: Servizio Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Programmi\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\Programmi\Norton SystemWorks\Norton Utilities\NPROTECT.EXE
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FILECO~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: Speed Disk service - Symantec Corporation - C:\PROGRA~1\NORTON~1\SPEEDD~1\nopdb.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\Security Center\SymWSC.exe