Salve, mi dareste cortesemente una controllata al log Hijack?
Grazie mille.

Logfile of HijackThis v1.99.1
Scan saved at 14.41.40, on 07/06/2007
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\WINNT\System32\DRIVERS\dcfssvc.exe
C:\WINNT\System32\svchost.exe
C:\Programmi\KODAK\KODAK Picture Transfer Software\PTSsvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
c:\winnt\system32\winlogon.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\Explorer.EXE
C:\Programmi\MediaGateway\MediaGateway.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\Programmi\Digisoft AntiDialer\AntiDialer.exe
C:\Programmi\KODAK\KODAK Picture Transfer Software\PTS.exe
C:\Programmi\KODAK\KODAK Software Updater\7288971\Program\backWeb-7288971.exe
C:\Programmi\Internet Explorer\iexplore.exe
G:\Utility\Sicurezza\Avast virus cleaner\aswclnr.exe
C:\DOCUME~1\ADMINI~1\IMPOST~1\Temp\aswclnr.tmp
C:\WINNT\system32\svchost.exe
C:\Programmi\Internet Explorer\IEXPLORE.EXE
G:\Utility\Sicurezza\hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: (no name) - {00DBDAC8-4691-4797-8E6A-7C6AB89BC441} - C:\WINNT\System32\awvtu.dll (file missing)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar2.dll
O2 - BHO: MSEvents Object - {B313D637-F405-4052-AC37-E2119AB3C8F8} - C:\WINNT\System32\awvvw.dll
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar2.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [MediaGateway] C:\Programmi\MediaGateway\MediaGateway.exe
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - Startup: Collegamento a Microsoft Outlook.lnk = ?
O4 - Global Startup: Digisoft AntiDialer.lnk = C:\Programmi\Digisoft AntiDialer\AntiDialer.exe
O4 - Global Startup: KODAK Picture Transfer Software.lnk = C:\Programmi\KODAK\KODAK Picture Transfer Software\PTS.exe
O4 - Global Startup: KODAK Software Updater.lnk = C:\Programmi\KODAK\KODAK Software Updater\7288971\Program\backWeb-7288971.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: &Google Search - res://c:\programmi\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: Collegamenti a ritroso - res://c:\programmi\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Pagine simili - res://c:\programmi\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Versione cache della pagina - res://c:\programmi\google\GoogleToolbar2.dll/cmcache.html
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1181217566515
O17 - HKLM\System\CCS\Services\Tcpip\..\{235A3172-7F53-4B28-820E-83E08DCECFC9}: NameServer = 212.216.112.222,212.216.172.62
O20 - Winlogon Notify: awvtu - awvtu.dll (file missing)
O20 - Winlogon Notify: awvvw - C:\WINNT\System32\awvvw.dll
O23 - Service: ATI Smart - Unknown owner - C:\WINNT\system32\ati2sgag.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: dcfssvc (Dcfssvc) - Eastman Kodak Company - C:\WINNT\System32\DRIVERS\dcfssvc.exe
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Performance Logs (Perfhmon) - Unknown owner - C:\WINNT\System32\Perfhmon.exe (file missing)
O23 - Service: ptssvc - KODAK - C:\Programmi\KODAK\KODAK Picture Transfer Software\PTSsvc.exe
O23 - Service: Windows Time Sync (wservtime) - Unknown owner - C:\WINNT\csrss.exe (file missing)

Fixa queste voci:
C:\Programmi\MediaGateway\MediaGateway.exe

C:\DOCUME~1\ADMINI~1\IMPOST~1\Temp\aswclnr.tmp

O2 - BHO: (no name) - {00DBDAC8-4691-4797-8E6A-7C6AB89BC441} - C:\WINNT\System32\awvtu.dll (file missing)

O2 - BHO: MSEvents Object - {B313D637-F405-4052-AC37-E2119AB3C8F8} - C:\WINNT\System32\awvvw.dll

O4 - HKLM\..\Run: [MediaGateway] C:\Programmi\MediaGateway\MediaGateway.exe

O20 - Winlogon Notify: awvtu - awvtu.dll (file missing)

O20 - Winlogon Notify: awvvw - C:\WINNT\System32\awvvw.dll

O23 - Service: Windows Time Sync (wservtime) - Unknown owner - C:\WINNT\csrss.exe (file missing)