Ok, ho seguito la procedura e fatto le scansioni del sistema.
Tuttavia restano alcune voci (e problemi) nel sistema.

Logfile of HijackThis v1.97.7
Scan saved at 13.10.36, on 07/06/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\System32\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb0 4.exe
C:\PROGRA~1\MICROS~4\GAMECO~1\Common\SWTrayV4.exe
C:\Programmi\Logitech\iTouch\iTouch.exe
C:\Programmi\Messenger Plus! 3\MsgPlus.exe
C:\Programmi\Java\jre1.5.0\bin\jusched.exe
C:\WINDOWS\Mixer.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\PROGRA~1\FILECO~1\PCSuite\DATALA~1\DATALA~1.EXE
C:\PROGRA~1\Nokia\NOKIAP~1\TRAYAP~1.EXE
C:\Programmi\Logitech\MouseWare\system\em_exec.exe
C:\Programmi\File comuni\Symantec Shared\Security Center\UsrPrmpt.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Programmi\Nokia\Nokia PC Suite 6\PcSync2.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\WIDCOMM\Software Bluetooth\bin\btwdins.exe
C:\Programmi\WIDCOMM\Software Bluetooth\BTTray.exe
C:\Programmi\InterVideo\Common\Bin\WinCinemaMgr.ex e
C:\WINDOWS\System32\drivers\CDAC11BA.EXE
C:\Programmi\File comuni\Microsoft Shared\VS7Debug\mdm.exe
C:\PROGRA~1\FILECO~1\PCSuite\Services\SERVIC~1.EXE
C:\Programmi\Norton SystemWorks\Norton Antivirus\navapsvc.exe
c:\progra~1\intern~1\iexplore.exe
C:\Programmi\Norton SystemWorks\Norton Antivirus\SAVScan.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\PROGRA~1\FILECO~1\Nokia\MPAPI\MPAPI3s.exe
C:\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://irhaqapkvlchccooaapksghj.com/...ooR6gY/e6.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = res://msaps.dll/index.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Programmi\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {7B601DCE-52D8-C262-B503-0D82F0575342} - C:\DOCUME~1\Alberto\DATIAP~1\START3~1\TRANS RDR.exe
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton SystemWorks\Norton Antivirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton SystemWorks\Norton Antivirus\NavShExt.dll
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb0 4.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [SideWinderTrayV4] C:\PROGRA~1\MICROS~4\GAMECO~1\Common\SWTrayV4.exe
O4 - HKLM\..\Run: [CloneCDElbyCDFL] "C:\Programmi\Elaborate Bytes\CloneCD\ElbyCheck.exe" /L ElbyCDFL
O4 - HKLM\..\Run: [Realtime Audio Engine] mmrtkrnl.exe
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Programmi\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Programmi\Messenger Plus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Programmi\Java\jre1.5.0\bin\jusched.exe
O4 - HKLM\..\Run: [C-Media Mixer] Mixer.exe /startup
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [DataLayer] C:\PROGRA~1\FILECO~1\PCSuite\DATALA~1\DATALA~1.EXE
O4 - HKLM\..\Run: [PCSuiteTrayApplication] C:\PROGRA~1\Nokia\NOKIAP~1\TRAYAP~1.EXE
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Programmi\File comuni\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [Windows iMessenger Messenger] winimsg.exe
O4 - HKLM\..\Run: [Media Access] C:\Program Files\Media Access\MediaAccK.exe
O4 - HKLM\..\Run: [Rdr trans internet for] C:\Documents and Settings\All Users\Dati applicazioni\City Burn Rdr Trans\axistrust.exe
O4 - HKLM\..\Run: [MAGIXautostart] F:\INSTALL\program\setup.exe
O4 - HKLM\..\RunServices: [Windows iMessenger Messenger] winimsg.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [tapisys] C:\WINDOWS\System32\tss.exe
O4 - HKCU\..\Run: [PcSync] C:\Programmi\Nokia\Nokia PC Suite 6\PcSync2.exe /NoDialog
O4 - HKCU\..\Run: [Windows iMessenger Messenger] winimsg.exe
O4 - HKCU\..\RunServices: [Windows iMessenger Messenger] winimsg.exe
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: BTTray.lnk = ?
O4 - Global Startup: InterVideo WinCinema Manager.lnk = C:\Programmi\InterVideo\Common\Bin\WinCinemaMgr.ex e
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Invia a &Bluetooth - C:\Programmi\WIDCOMM\Software Bluetooth\btsendto_ie_ctx.htm
O9 - Extra 'Tools' menuitem: Sun Java Console (HKLM)
O9 - Extra button: Ricerche (HKLM)
O9 - Extra button: @btrez.dll,-4015 (HKLM)
O9 - Extra 'Tools' menuitem: @btrez.dll,-4017 (HKLM)
O15 - Trusted Zone: www.yeak.net
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary...t.cab31267.cab
O16 - DPF: {166B1BCA-3F9C-11CF-8075-444553540000} (Shockwave ActiveX Control) - http://download.macromedia.com/pub/s...irector/sw.cab
O16 - DPF: {33564D57-0000-0010-8000-00AA00389B71} - http://download.microsoft.com/downlo...22/wmv9VCM.CAB
O16 - DPF: {3E68E405-C6DE-49FF-83AE-41EE9F4C36CE} (Office Update Installation Engine) - http://office.microsoft.com/officeup...tent/opuc2.cab
O16 - DPF: {8EC18CE2-D7B4-11D2-88C8-006008A717FD} (NCSView Class) - http://ww3.atlanteitaliano.it/ecwplugins/ncs.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/ms...downloader.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/binary...o.cab32846.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://download.macromedia.com/pub/s...sh/swflash.cab
O16 - DPF: {F57D27AE-CE57-4BC8-B232-EA57747BE5B7} - ms-its:mhtml:file://C:\PATH.MHT!http://195.225.176.5//d//uyvcrdc//il...::/painter.dll