Posto il risultato ottenuto con Hijackthis:
codice:
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10.01.19, on 28/06/2008
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)
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\Alwil Software\Avast4\aswUpdSv.exe
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\WINNT\system32\dllcache\mravsc32.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\Explorer.EXE
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Programmi\Companion Suite Pro LL\MFPrintServer.exe
C:\Programmi\Companion Suite Pro LL\MFServices.exe
C:\WINNT\system32\rundll32.exe
C:\Program Files\D-Link\DSL-200\dslstat.exe
C:\Program Files\D-Link\DSL-200\dslagent.exe
C:\Programmi\WinZip\WZQKPICK.EXE
C:\WINNT\system32\LFXGDIPO.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.virgilio.it/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = 
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [MFPrintServer_Pro_LL] "C:\Programmi\Companion Suite Pro LL\MFPrintServer.exe"
O4 - HKLM\..\Run: [MFServices_Pro_LL] "C:\Programmi\Companion Suite Pro LL\MFServices.exe" -n
O4 - HKLM\..\Run: [AdslTaskBar] rundll32.exe stmctrl.dll,TaskBar
O4 - HKLM\..\Run: [DSLSTATEXE] C:\Program Files\D-Link\DSL-200\dslstat.exe icon
O4 - HKLM\..\Run: [DSLAGENTEXE] C:\Program Files\D-Link\DSL-200\dslagent.exe
O4 - HKCU\..\Run: [jdgf894jrghoiiskd] C:\WINNT\TEMP\winlogan.exe
O4 - HKUS\.DEFAULT\..\Run: [WintelUpdate] c:\feppqb.exe (User 'Default user')
O4 - HKUS\.DEFAULT\..\Run: [jdgf894jrghoiiskd] C:\WINNT\TEMP\winlogan.exe (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [^SetupICWDesktop] C:\Programmi\Internet Explorer\Connection Wizard\icwconn1.exe /desktop (User 'Default user')
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Programmi\WinZip\WZQKPICK.EXE
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Distributed Allocated Memory Unit - Unknown owner - C:\WINNT\system32\dllcache\mravsc32.exe
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe

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End of file - 3315 bytes
dimenticavo....ho provato ad installare un'altro modem usb (d-link) per vedere se mi cadeva la linea e il risultato non è cambiato