ecco il log di hijackthis:

Logfile of Trend Micro HijackThis v2.0.0 (BETA)
Scan saved at 17.08.05, on 25/09/2008
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
Boot mode: Normal

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:\Programmi\Lavasoft\Ad-Aware\aawservice.exe
C:\WINNT\system32\drivers\CDAC11BA.EXE
C:\WINNT\System32\svchost.exe
C:\Programmi\Network Associates\Common Framework\FrameworkService.exe
C:\Programmi\Network Associates\VirusScan\VsTskMgr.exe
C:\Programmi\File comuni\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\system32\UStorSrv.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\Programmi\Analog Devices\SoundMAX\Smtray.exe
C:\WINNT\system32\igfxtray.exe
C:\WINNT\system32\hkcmd.exe
C:\Programmi\QuickTime\qttask.exe
C:\Programmi\Network Associates\VirusScan\SHSTAT.EXE
C:\Programmi\Network Associates\Common Framework\UpdaterUI.exe
C:\Programmi\File comuni\Network Associates\TalkBack\TBMon.exe
C:\Programmi\File comuni\Real\Update_OB\realsched.exe
C:\WINNT\system32\ctfmon.exe
C:\Programmi\office97\Office\OSA.EXE
C:\Programmi\Kodak\Kodak EasyShare software\bin\EasyShare.exe
C:\Programmi\Panasonic\Panasonic-DMS\Port Controller\Mfpscdl.exe
C:\Programmi\Network Associates\VirusScan\Mcshield.exe
C:\Programmi\Adobe\Acrobat 7.0\Reader\AcroRd32.exe
C:\Documents and Settings\mainolfi\Desktop\HiJackThis_v2.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.libero.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\DOCUME~1\BRICCO~1\IMPOST~1\Temp\se.dll/spage.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = about:blank
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: (no name) - {0307E408-05C0-4EE4-BEF7-98B778E08EBF} - (no file)
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {6B2432DA-E58D-4C9A-AE60-7C856A4E903F} - C:\WINNT\Microsoft.NET\Framework\v1.0.3705\srvnds. dll (file missing)
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [Smapp] C:\Programmi\Analog Devices\SoundMAX\Smtray.exe
O4 - HKLM\..\Run: [IgfxTray] C:\WINNT\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINNT\system32\hkcmd.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINNT\system32\NeroCheck.exe
O4 - HKLM\..\Run: [ShStatEXE] "C:\Programmi\Network Associates\VirusScan\SHSTAT.EXE" /STANDALONE
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Programmi\Network Associates\Common Framework\UpdaterUI.exe" /StartedFromRunKey
O4 - HKLM\..\Run: [Network Associates Error Reporting Service] "C:\Programmi\File comuni\Network Associates\TalkBack\TBMon.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Programmi\File comuni\Real\Update_OB\realsched.exe" -osboot
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - HKCU\..\Run: [SaliarAR] C:\Programmi\Saliar Labs\SaliarAR\SaliarARTrial.exe /tray
O4 - HKCU\..\Run: [MSNAgent] C:\DOCUME~1\mainolfi\IMPOST~1\Tempwn1001.exe
O4 - HKUS\.DEFAULT\..\Run: [internat.exe] internat.exe (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [^SetupICWDesktop] C:\Programmi\Internet Explorer\Connection Wizard\icwconn1.exe /desktop (User 'Default user')
O4 - Startup: Microsoft Office Outlook 2003.lnk = C:\Programmi\Microsoft Office\OFFICE11\OUTLOOK.EXE
O4 - Global Startup: Avvio Office.lnk = C:\Programmi\office97\Office\OSA.EXE
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Kodak EasyShare software.lnk = C:\Programmi\Kodak\Kodak EasyShare software\bin\EasyShare.exe
O4 - Global Startup: Panasonic Communications Utility.lnk = C:\Programmi\Panasonic\Panasonic-DMS\Port Controller\Mfpscdl.exe
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = impanet.com
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = impanet.com
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = impanet.com
O22 - SharedTaskScheduler: Precaricatore Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINNT\System32\browseui.dll
O22 - SharedTaskScheduler: Daemon di cache delle categorie di componenti - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINNT\System32\browseui.dll
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Lavasoft - C:\Programmi\Lavasoft\Ad-Aware\aawservice.exe
O23 - Service: Autodesk Licensing Service - Autodesk, Inc. - C:\Programmi\File comuni\Autodesk Shared\Service\AdskScSrv.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINNT\system32\drivers\CDAC11BA.EXE
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Servizio iPod (iPod Service) - Unknown owner - C:\Programmi\iPod\bin\iPodService.exe (file missing)
O23 - Service: Kodak Camera Connection Software (KodakCCS) - Eastman Kodak Company - C:\WINNT\system32\drivers\KodakCCS.exe
O23 - Service: Servizio di framework di McAfee (McAfeeFramework) - Network Associates, Inc. - C:\Programmi\Network Associates\Common Framework\FrameworkService.exe
O23 - Service: Network Associates McShield (McShield) - Network Associates, Inc. - C:\Programmi\Network Associates\VirusScan\Mcshield.exe
O23 - Service: Network Associates Task Manager (McTaskManager) - Network Associates, Inc. - C:\Programmi\Network Associates\VirusScan\VsTskMgr.exe
O23 - Service: UStorage Server Service - OTi - C:\WINNT\system32\UStorSrv.exe

--
End of file - 6506 bytes