Dopo aver seguito le tue istruzioni questo č il risultato:

Queste tre voci sono all'interno del file c:\windows\host
O1 - Hosts: 69.20.16.183 auto.search.msn.com
O1 - Hosts: 69.20.16.183 search.netscape.com
O1 - Hosts: 69.20.16.183 ieautosearch


Logfile of HijackThis v1.98.2
Scan saved at 11.24.10, on 08/11/04
Platform: Windows 98 SE (Win9x 4.10.2222A)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\MDM.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCEVTMGR.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCSETMGR.EXE
C:\PROGRAMMI\NORTON ANTIVIRUS\ADVTOOLS\NPROTECT.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCAPP.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCPD-LC\SYMLCSVC.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\DESKTOP\HJ\HIJACKTHIS.EXE

R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
O1 - Hosts: 69.20.16.183 auto.search.msn.com
O1 - Hosts: 69.20.16.183 search.netscape.com
O1 - Hosts: 69.20.16.183 ieautosearch
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.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: [NPROTECT] C:\PROGRA~1\NORTON~1\ADVTOOLS\NPROTECT.EXE
O4 - HKLM\..\Run: [Symantec Core LC] C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe start
O4 - HKLM\..\Run: [NAV CfgWiz] C:\Programmi\File comuni\Symantec Shared\CfgWiz.exe /GUID NAV /CMDLINE "REBOOT"
O4 - HKLM\..\Run: [Advanced Tools Check] C:\PROGRA~1\NORTON~1\ADVTOOLS\ADVCHK.EXE
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [Machine Debug Manager] C:\WINDOWS\SYSTEM\MDM.EXE
O4 - HKLM\..\RunServices: [ccEvtMgr] "C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe"
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Programmi\File comuni\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKLM\..\RunServices: [ccSetMgr] "C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe"
O4 - HKLM\..\RunServices: [NPROTECT] C:\PROGRA~1\NORTON~1\ADVTOOLS\NPROTECT.EXE
O4 - Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O4 - Startup: Adobe Gamma Loader.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\SYSTEM\MSJAVA.DLL
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\SYSTEM\MSJAVA.DLL
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2...ll/xscan53.cab
O17 - HKLM\System\CCS\Services\VxD\MSTCP: Domain = tin.it
O17 - HKLM\System\CCS\Services\VxD\MSTCP: NameServer = 151.99.0.100,151.99.125.1