ho provato con i fix di symantec e prevx ma niente, se qualcuno mi può aiutare ecco una nuova scansione con hjt:

Logfile of HijackThis v1.99.1
Scan saved at 20.51.46, on 20/10/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\AntiVir PersonalEdition Classic\sched.exe
C:\Programmi\AntiVir PersonalEdition Classic\avguard.exe
C:\Programmi\Bluetooth Software\bin\btwdins.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Programmi\ewido anti-spyware 4.0\guard.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Programmi\Alcohol Soft\Alcohol 120\StarWind\StarWindService.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\ehome\ehtray.exe
C:\Programmi\Conexant\AccessRunner ADSL\CnxDslTb.exe
C:\Programmi\AntiVir PersonalEdition Classic\avgnt.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Bluetooth Software\BTTray.exe
C:\Programmi\Nokia\PC Suite for Nokia 3650\connmngmntbox.exe
C:\Programmi\Nokia\PC Suite for Nokia 3650\ectaskscheduler.exe
C:\PROGRA~1\BLUETO~1\BTSTAC~1.EXE
C:\Programmi\Intuwave\Shared\mRouterRunTime\mRoute rRuntime.exe
C:\PROGRA~1\Nokia\PCSUIT~1\Elogerr.exe
C:\PROGRA~1\Nokia\PCSUIT~1\BROADC~1.EXE
C:\WINDOWS\system32\dllhost.exe
C:\PROGRA~1\Nokia\PCSUIT~1\SCRFS.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\WINDOWS\System32\svchost.exe
C:\Hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [CnxDslTaskBar] C:\Programmi\Conexant\AccessRunner ADSL\CnxDslTb.exe
O4 - HKLM\..\Run: [avgnt] "C:\Programmi\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [wqpm1.exe] C:\WINDOWS\TEMP\wqpm1.exe
O4 - HKLM\..\Run: [!ewido] "C:\Programmi\ewido anti-spyware 4.0\ewido.exe" /minimized
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: BTTray.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: PCSuiteperNokia3650 Detect.lnk = ?
O4 - Global Startup: PCSuiteperNokia3650 TS.lnk = ?
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Invia a &Bluetooth - C:\Programmi\Bluetooth Software\btsendto_ie_ctx.htm
O16 - DPF: {FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6} (IWinAmpActiveX Class) - http://pdl.stream.aol.com/downloads/...ampx_en_dl.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O18 - Protocol: widimg - {EE7C2AFF-5742-44FF-BD0E-E521B0D3C3BA} - C:\WINDOWS\system32\btxppanel.dll
O23 - Service: AntiVir PersonalEdition Classic Scheduler (AntiVirScheduler) - Avira GmbH - C:\Programmi\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - AVIRA GmbH - C:\Programmi\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Bluetooth Service (btwdins) - Broadcom Corporation - C:\Programmi\Bluetooth Software\bin\btwdins.exe
O23 - Service: ewido anti-spyware 4.0 guard - Anti-Malware Development a.s. - C:\Programmi\ewido anti-spyware 4.0\guard.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: StarWind iSCSI Service (StarWindService) - Rocket Division Software - C:\Programmi\Alcohol Soft\Alcohol 120\StarWind\StarWindService.exe