Ciao potresti dare una controllata a questo log?
ti ringrazio anticipatamente.

Logfile of HijackThis v1.99.0
Scan saved at 14.16.02, on 20/02/2005
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
C:\Programmi\Sicurezza\Panda Antivirus\Firewall\PavFires.exe
C:\Programmi\Sicurezza\Panda Antivirus\pavsrv51.exe
C:\Programmi\Sicurezza\Panda Antivirus\AVENGINE.EXE
C:\WINDOWS\System32\rundll32.exe
C:\Programmi\Sicurezza\Panda Antivirus\APVXDWIN.EXE
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\PC Suite for Nokia 6600\connmngmntbox.exe
C:\Programmi\PC Suite for Nokia 6600\ectaskscheduler.exe
C:\PROGRA~1\PCSUIT~1\Elogerr.exe
C:\Programmi\Intuwave\Shared\mRouterRunTime\mRouterRuntime.exe
C:\PROGRA~1\PCSUIT~1\BROADC~1.EXE
C:\Programmi\Sicurezza\Panda Antivirus\pavProxy.exe
C:\PROGRA~1\PCSUIT~1\SCRFS.exe
C:\WINDOWS\System32\wuauclt.exe
C:\WINDOWS\System32\svchost.exe
C:\Documents and Settings\gamma\Documenti\gjhfgh\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://gw.aliceadsl.it/minisearch
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://gw.aliceadsl.it/home
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer fornito da Alice
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [AdslTaskBar] rundll32.exe stmctrl.dll,TaskBar
O4 - HKLM\..\Run: [SCANINICIO] "C:\Programmi\Sicurezza\Panda Antivirus\Inicio.exe"
O4 - HKLM\..\Run: [APVXDWIN] "C:\Programmi\Sicurezza\Panda Antivirus\APVXDWIN.EXE" /s
O4 - HKLM\..\Run: [EPSON Stylus C42 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /P23 "EPSON Stylus C42 Series" /O6 "USB001" /M "Stylus C42"
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\System32\\NeroCheck.exe
O4 - HKLM\..\Run: [mmtask] c:\Program Files\MusicMatch\MusicMatch Jukebox\mmtask.exe
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [AVG7_EMC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: PCSuiteperNokia6600 Detect.lnk = ?
O4 - Global Startup: PCSuiteperNokia6600 TS.lnk = ?
O14 - IERESET.INF: START_PAGE_URL=http://gw.aliceadsl.it/home
O16 - DPF: {11111111-1111-1111-1111-111111113457} - file://c:\ied_s7.cab
O16 - DPF: {11111111-1111-1111-1111-511111113457} - file://c:\x.cab
O16 - DPF: {11111111-1111-1111-1111-511111113458} - file://c:\x.cab
O21 - SSODL: SystemCheck2 - {54645654-2225-4455-44A1-9F4543D34545} - C:\WINDOWS\System32\vbsys2 (file missing)
O23 - Service: AVG7 Alert Manager Server - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: EPSON Printer Status Agent2 - SEIKO EPSON CORPORATION - C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
O23 - Service: Panda Firewall Service - Unknown - C:\Programmi\Sicurezza\Panda Antivirus\Firewall\PavFires.exe
O23 - Service: Panda anti-virus service - Unknown - C:\Programmi\Sicurezza\Panda Antivirus\pavsrv51.exe

Ciao ,
esegui queste operazioni

1) Disattiva il ripristino di configurazione, leggi qui come fare
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=257&SH=N

2) riavvia in modalità provvisoria, leggi qui come fare
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=344&SH=N

apri HIJAC THIS ed elimina come indicato in questo articolo
http://www.aiutamici.com/software/descrizione.asp?CodSw=1175
le righe che seguono, (nel caso le righe da eliminare non compaiono in modalità provvisoria, eliminale dalla modalità normale e riavvia il computer).

==================================
O16 - DPF: {11111111-1111-1111-1111-111111113457} - file://c:\ied_s7.cab
O16 - DPF: {11111111-1111-1111-1111-511111113457} - file://c:\x.cab
O16 - DPF: {11111111-1111-1111-1111-511111113458} - file://c:\x.cab
O21 - SSODL: SystemCheck2 - {54645654-2225-4455-44A1-9F4543D34545} - C:\WINDOWS\System32\vbsys2 (file missing)
==================================

Con la funzione TROVA di Windows, cerca ed elimina questi file,

==================================
ied_s7.cab
x.cab
vbsys2
==================================

al termine utilizza i programmi AD-AWARE e SPYBOT indicati in questo articolo
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=388&SH=N

sempre in modalità provvisoria fai una scansione Antivirus

quindi riavvia il computer e controlla se il problema e risolto, se e tutto OK riattiva il ripristino configurazione disattivato all'inizio di questa procedura.

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Collaboratore Aiutamici