Grazie per la tempestiva risposta!

ho seguito le indicazioni e questo è risultato, spero di aver fatto in modo corretto!
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19.16.13, on 03/10/2011
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:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\PROGRAMMI SCARICATI\USB Safely Remove\USBSRService.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\RTHDCPL.EXE
C:\BACKUP\BgInfo\bginfo.exe
C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\avp.exe
C:\PROGRA~1\Logitech\MOUSEW~1\SYSTEM\EM_EXEC.EXE
C:\PROGRA~1\WI9130~1\Datamngr\DATAMN~1.EXE
C:\Programmi\EPSON\Creativity Suite\Event Manager\EEventManager.exe
C:\PROGRA~1\B'SCLI~1\Win2K\BSCLIP.exe
C:\Programmi\File comuni\Adobe\ARM\1.0\AdobeARM.exe
C:\Programmi\Kodak\KODAK Share Button App\Listener.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Kodak\Kodak EasyShare software\bin\EasyShare.exe
C:\WINDOWS\VPro610.exe
C:\Documents and Settings\Administrator\Dati applicazioni\Dropbox\bin\Dropbox.exe
C:\PROGRAMMI SCARICATI\Widget vodafone.it\Widget vodafone.it.exe
C:\Programmi\File comuni\ArcSoft\Connection Service\Bin\ACService.exe
C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\avp.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\Programmi\File comuni\Microsoft Shared\VS7DEBUG\mdm.exe
C:\Programmi\CDBurnerXP\NMSAccessU.exe
C:\WINDOWS\System32\PAStiSvc.exe
C:\WINDOWS\system32\svchost.exe
C:\BACKUP\BgInfo\bginfo.exe
C:\BACKUP\BgInfo\bginfo.exe
C:\Programmi\Microsoft Office\Office12\WINWORD.EXE
C:\Programmi\Microsoft\Office Live\OfficeLiveSignIn.exe
C:\Programmi\eMule\emule.exe
C:\Programmi\Mozilla Firefox\firefox.exe
C:\Programmi\Mozilla Firefox\plugin-container.exe
C:\Programmi\Mozilla Firefox\plugin-container.exe
C:\Programmi\Windows Live\Mail\wlmail.exe
C:\Programmi\Windows Live\Contacts\wlcomm.exe
C:\Programmi\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page =
http://go.microsoft.com/fwlink/?LinkId=54896R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://search.babylon.com/?babsrc=HP_ss ... 8652fa52faR1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://go.microsoft.com/fwlink/?LinkId=69157R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://go.microsoft.com/fwlink/?LinkId=54896R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =
http://go.microsoft.com/fwlink/?LinkId=54896R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://go.microsoft.com/fwlink/?LinkId=69157R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
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: IEVkbdBHO - {59273AB4-E7D3-40F9-A1A8-6FA9CCA1862C} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\ievkbd.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Searchqu Toolbar - {7FF99715-3016-4381-84CE-E4E4C9673020} - C:\PROGRA~1\WI9130~1\ToolBar\SearchquDx.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: link filter bho - {E33CF602-D945-461A-83F0-819F76A199F8} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\klwtbbho.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Programmi\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: Searchqu Toolbar - {7FF99715-3016-4381-84CE-E4E4C9673020} - C:\PROGRA~1\WI9130~1\ToolBar\SearchquDx.dll
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [BgInfo] C:\BACKUP\BgInfo\bginfo.exe C:\BACKUP\BgInfo\bg.bgi /taskbar /timer:0 /all
O4 - HKLM\..\Run: [AVP] "C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\avp.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [OSSelectorReinstall] C:\Programmi\File comuni\Acronis\Acronis Disk Director\oss_reinstall.exe
O4 - HKLM\..\Run: [EM_EXEC] C:\PROGRA~1\Logitech\MOUSEW~1\SYSTEM\EM_EXEC.EXE
O4 - HKLM\..\Run: [DATAMNGR] C:\PROGRA~1\WI9130~1\Datamngr\DATAMN~1.EXE
O4 - HKLM\..\Run: [AppleSyncNotifier] C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleSyncNotifier.exe
O4 - HKLM\..\Run: [EEventManager] C:\Programmi\EPSON\Creativity Suite\Event Manager\EEventManager.exe
O4 - HKLM\..\Run: [B'sCLiP] C:\PROGRA~1\B'SCLI~1\Win2K\BSCLIP.exe
O4 - HKLM\..\Run: [ArcSoft Connection Service] C:\Programmi\File comuni\ArcSoft\Connection Service\Bin\ACDaemon.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: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [KodakShareButtonApp] C:\Programmi\Kodak\KODAK Share Button App\Listener.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [USB Safely Remove] C:\PROGRAMMI SCARICATI\USB Safely Remove\USBSafelyRemove.exe /startup
O4 - HKUS\S-1-5-20\..\RunOnce: [_nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-20\..\RunOnce: [ShowDeskFix] regsvr32 /s /n /i:u shell32 (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-18\..\RunOnce: [_nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [_nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'Default user')
O4 - Startup: Dropbox.lnk = C:\Documents and Settings\Administrator\Dati applicazioni\Dropbox\bin\Dropbox.exe
O4 - Startup: Widget vodafone.lnk = C:\PROGRAMMI SCARICATI\Widget vodafone.it\Widget vodafone.it.exe
O4 - Global Startup: Kodak EasyShare software.lnk = C:\Programmi\Kodak\Kodak EasyShare software\bin\EasyShare.exe
O4 - Global Startup: VProperty.lnk = ?
O8 - Extra context menu item: Aggiungi ad Anti-Banner - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\ie_banner_deny.htm
O8 - Extra context menu item: E&sporta in Microsoft Excel -
res://C:\PROGRA~1\MICROS~1\Office12\EXCEL.EXE/3000
O9 - Extra button: Inserisci blog - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: Inserisci &blog in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Invia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~1\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: I&nvia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~1\Office12\ONBttnIE.dll
O9 - Extra button: &Tastiera Virtuale - {4248FE82-7FCB-46AC-B270-339F08212110} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\klwtbbho.dll
O9 - Extra button: Bonjour - {7F9DB11C-E358-4ca6-A83D-ACC663939424} - C:\Programmi\Bonjour\ExplorerPlugin.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~1\Office12\REFIEBAR.DLL
O9 - Extra button: C&ontrollo URL - {CCF151D8-D089-449F-A5A4-D9909053F20F} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\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
O16 - DPF: {1C11B948-582A-433F-A98D-A8C4D5CC64F2} (20-20 3D Viewer) -
http://kitchenplanner.ikea.com/it/Core/ ... _Win32.cabO20 - AppInit_DLLs: c:\progra~1\wi9130~1\datamngr\datamngr.dll,C:\PROGRA~1\KASPER~1\KASPER~1\kloehk.dll
O23 - Service: ArcSoft Connect Daemon (ACDaemon) - ArcSoft Inc. - C:\Programmi\File comuni\ArcSoft\Connection Service\Bin\ACService.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: Servizio Kaspersky Anti-Virus (AVP) - Kaspersky Lab ZAO - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 2011\avp.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: NMSAccessU - Unknown owner - C:\Programmi\CDBurnerXP\NMSAccessU.exe
O23 - Service: SiSoftware Deployment Agent Service (SandraAgentSrv) - SiSoftware - C:\Programmi\SiSoftware\SiSoftware Sandra Lite 2010\RpcAgentSrv.exe
O23 - Service: STI Simulator - Unknown owner - C:\WINDOWS\System32\PAStiSvc.exe
O23 - Service: USB Safely Remove Assistant (USBSafelyRemoveService) - Unknown owner - C:\PROGRAMMI SCARICATI\USB Safely Remove\USBSRService.exe
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End of file - 9761 bytes