Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\HP\QuickPlay\QPService.exe
C:\Program Files\HP\HP Software Update\hpwuschd2.exe
C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QLBCTRL.exe
C:\Program Files\Microsoft LifeChat\LifeChat.exe
C:\Program Files\Hewlett-Packard\ToolboxFX\bin\HPTLBXFX.exe
C:\Program Files\Hewlett-Packard\HP UT\bin\hppusg.exe
C:\Program Files\Acronis\TrueImageHome\TrueImageMonitor.exe
C:\Program Files\Acronis\TrueImageHome\TimounterMonitor.exe
C:\Program Files\Common Files\Acronis\Schedule2\schedhlp.exe
C:\Windows\System32\rundll32.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\TeamViewer\Version5\TeamViewer.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\RocketDock\RocketDock.exe
C:\Windows\ehome\ehtray.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtMng.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\NDAS\System\ndasmgmt.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\Hewlett-Packard\HP wireless Assistant\WiFiMsg.EXE
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosA2dp.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHid.exe
C:\Program Files\Hewlett-Packard\Shared\HpqToaster.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHsp.exe
C:\Windows\system32\conime.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpqSTE08.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpqbam08.exe
C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\System32\mobsync.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\Windows\system32\SearchProtocolHost.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=IT_IT&c=71&bd=Pavilion&pf=laptop
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://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=IT_IT&c=71&bd=Pavilion&pf=laptop
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: SkypeIEPluginBHO - {AE805869-2E5C-4ED4-8F7B-F1F7851A4497} - C:\Program Files\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [QPService] "C:\Program Files\HP\QuickPlay\QPService.exe"
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\Hp\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [QlbCtrl] %ProgramFiles%\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start
O4 - HKLM\..\Run: [lxbkbmgr.exe] "C:\Program Files\Lexmark X1100 Series\lxbkbmgr.exe"
O4 - HKLM\..\Run: [LifeChat] "c:\Program Files\Microsoft LifeChat\LifeChat.exe"
O4 - HKLM\..\Run: [NvSvc] RUNDLL32.EXE C:\Windows\system32\nvsvc.dll,nvsvcStart
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\Windows\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\Windows\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [ToolBoxFX] "C:\Program Files\Hewlett-Packard\ToolBoxFX\bin\HPTLBXFX.exe" /enum:on /alerts:on /notifications:on /fl:on /fr:on /appData:on /tmcp:on
O4 - HKLM\..\Run: [HPUsageTracking] "C:\Program Files\Hewlett-Packard\HP UT\bin\hppusg.exe" "C:\Program Files\Hewlett-Packard\HP UT\"
O4 - HKLM\..\Run: [TrueImageMonitor.exe] C:\Program Files\Acronis\TrueImageHome\TrueImageMonitor.exe
O4 - HKLM\..\Run: [AcronisTimounterMonitor] C:\Program Files\Acronis\TrueImageHome\TimounterMonitor.exe
O4 - HKLM\..\Run: [Acronis Scheduler2 Service] "C:\Program Files\Common Files\Acronis\Schedule2\schedhlp.exe"
O4 - HKLM\..\Run: [HP Health Check Scheduler] c:\Program Files\Hewlett-Packard\HP Health Check\HPHC_Scheduler.exe
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [hpWirelessAssistant] C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [RocketDock] "C:\Program Files\RocketDock\RocketDock.exe"
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [Google Update] "C:\Users\davide\AppData\Local\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [{F4D97280-1F87-C03B-65DA-4FE50AC03512}] C:\Users\davide\AppData\Roaming\Nozeuw\guasu.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVIZIO DI RETE')
O4 - Startup: hott notes 4.lnk = C:\Program Files\hott notes 4\hottnotes.exe
O4 - Startup: OpenOffice.org 2.4.lnk = C:\Program Files\OpenOffice.org 2.4\program\quickstart.exe
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Bluetooth Manager.lnk = ?
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: NDAS Device Management.lnk = C:\Program Files\NDAS\System\ndasmgmt.exe
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Free YouTube to MP3 Converter - C:\Users\davide\AppData\Roaming\DVDVideoSoftIEHelpers\freeyoutubetomp3converter.htm
O9 - Extra button: @C:\Program Files\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1004 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: @C:\Program Files\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1003 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Skype Click to Call - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - C:\Program Files\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O9 - Extra 'Tools' menuitem: Skype Click to Call - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - C:\Program Files\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL
O13 - Gopher Prefix:
O16 - DPF: {E06E2E99-0AA1-11D4-ABA6-0060082AA75C} -
O18 - Protocol: skype-ie-addon-data - {91774881-D725-4E58-B298-07617B9B86A8} - C:\Program Files\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O23 - Service: Acronis Scheduler2 Service (AcrSch2Svc) - Acronis - C:\Program Files\Common Files\Acronis\Schedule2\schedul2.exe
O23 - Service: AddFiltr - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\AddFiltr.exe
O23 - Service: Avira AntiVir MailGuard (AntiVirMailService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avmailc.exe
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Avira AntiVir WebGuard (AntiVirWebService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\AVWEBGRD.EXE
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
O23 - Service: WebEx Service Host for Support Center (atashost) - WebEx Communications, Inc. - C:\Windows\system32\atashost.exe
O23 - Service: CyberLink Background Capture Service (CBCS) (CLCapSvc) - Unknown owner - C:\Program Files\HP\QuickPlay\Kernel\TV\CLCapSvc.exe
O23 - Service: CyberLink Task Scheduler (CTS) (CLSched) - Unknown owner - C:\Program Files\HP\QuickPlay\Kernel\TV\CLSched.exe
O23 - Service: Symantec Lic NetConnect service (CLTNetCnService) - Unknown owner - c:\Program Files\Common Files\Symantec Shared\ccSvcHst.exe (file missing)
O23 - Service: Firebird Server - MAGIX Instance (FirebirdServerMAGIXInstance) - MAGIX® - C:\Program Files\MAGIX\Common\Database\bin\fbserver.exe
O23 - Service: HP Health Check Service - Hewlett-Packard - c:\Program Files\Hewlett-Packard\HP Health Check\hphc_service.exe
O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Roxio\Roxio MyDVD Basic v9\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Servizio iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: lxbk_device - - C:\Windows\system32\lxbkcoms.exe
O23 - Service: NDAS Service (ndassvc) - XIMETA, Inc. - C:\Program Files\NDAS\System\ndassvc.exe
O23 - Service: RoxMediaDB9 - Sonic Solutions - C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxMediaDB9.exe
O23 - Service: stllssvr - MicroVision Development, Inc. - C:\Program Files\Common Files\SureThing Shared\stllssvr.exe
O23 - Service: TeamViewer 5 (TeamViewer5) - TeamViewer GmbH - C:\Program Files\TeamViewer\Version5\TeamViewer_Service.exe
O23 - Service: TOSHIBA Bluetooth Service - TOSHIBA CORPORATION - C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtSrv.exe
O23 - Service: Utilità di pianificazione di LiveUpdate automatico - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe

--
End of file - 12367 bytes

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 14.23.02, on 13/11/2011
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.19154)
Boot mode: Normal

Rallentamenti no l'unico problema è appunto quando da esplora risorse vado sul disco C: la cpu sale al 50 facendo partire la ventola di raffreddamento e per ripristinare il tutto devo riavviare il sistema .

Grazie comunque dell'aiuto .

sluti

OK Grazie