ciao e grazie per la risposta.
Ho lanciato il programma che mi hai indicato.
Incollo qui sotto il risultato, con la speranza che mi aiutatae a vedere se c'è qualcosa che non va.
Logfile of HijackThis v1.99.1
Scan saved at 6.38.19, on 06/01/2006
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\svchost.exe
C:\WINNT\system32\spoolsv.exe
D:\PROGRA~1\avg\avgamsvr.exe
D:\PROGRA~1\avg\avgupsvc.exe
C:\WINNT\System32\CTSvcCDA.exe
C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\Explorer.EXE
D:\PROGRA~1\avg\avgcc.exe
D:\PROGRA~1\avg\avgemc.exe
D:\programmi\zonellarm\ZoneAlarm\zlclient.exe
D:\PROGRA~1\Nokia\NOKIAP~1\LAUNCH~1.EXE
C:\PROGRA~1\FILECO~1\PCSuite\Services\SERVIC~1.EXE
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\system32\ZoneLabs\vsmon.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\Programmi\Internet Explorer\IEXPLORE.EXE
C:\Programmi\Internet Explorer\IEXPLORE.EXE
C:\Programmi\MSN Messenger\msnmsgr.exe
D:\PROGRA~1\avg\avgwb.dat
D:\programmi\temp ch\C6 Messenger\c6Messenger.exe
D:\PROGRA~1\WINZIP\winzip32.exe
C:\Documents and Settings\Administrator\Impostazioni locali\Temp\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - d:\Programmi\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - D:\programmi\spybot\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [AVG7_CC] D:\PROGRA~1\avg\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [AVG7_EMC] D:\PROGRA~1\avg\avgemc.exe
O4 - HKLM\..\Run: [EPSON Stylus C44 Series] C:\WINNT\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /P23 "EPSON Stylus C44 Series" /O6 "USB001" /M "Stylus C44"
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Programmi\Thomson\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [Zone Labs Client] "D:\programmi\zonellarm\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [QuickTime Task] "D:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINNT\system32\NeroCheck.exe
O4 - HKLM\..\Run: [PCSuiteTrayApplication] D:\PROGRA~1\Nokia\NOKIAP~1\LAUNCH~1.EXE -onlytray
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) -
http://acs.pandasoftware.com/activescan ... asinst.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) -
http://messenger.msn.com/download/msnme ... loader.cab
O16 - DPF: {C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61} (DownloaderActiveX Control) -
http://c6.community.virgilio.it/downloa ... ctiveX.cab
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - D:\PROGRA~1\avg\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - D:\PROGRA~1\avg\avgupsvc.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: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs LLC - C:\WINNT\system32\ZoneLabs\vsmon.exe