per cortesia mi controllate il log:
ogfile of HijackThis v1.99.1
Scan saved at 15.56.45, on 25/02/2005
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\LEXBCES.EXE
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\atievxx.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\System32\gearsec.exe
C:\Programmi\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\WFXSVC.EXE
C:\Programmi\WinFax\WFXMOD32.EXE
C:\WINDOWS\Explorer.EXE
C:\Programmi\Ahead\InCD\InCD.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\WINDOWS\System32\GSICON.EXE
C:\WINDOWS\System32\dslagent.exe
C:\PROGRA~1\WinFax\WFXSWTCH.exe
C:\WINDOWS\System32\wfxsnt40.exe
C:\Programmi\iTunes\iTunesHelper.exe
C:\Programmi\QuickTime\qttask.exe
C:\WINDOWS\System32\ShellExt\sys.EXE
C:\Programmi\WinFax\WFXCTL32.EXE
C:\Programmi\iPod\bin\iPodService.exe
C:\Documents and Settings\Administrator\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.ricerchefacili.com
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
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Programmi\Spybot - Search and Destroy\SDHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar2.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: andRadio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar2.dll
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [InCD] C:\Programmi\Ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Programmi\File comuni\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [GSICONEXE] GSICON.EXE
O4 - HKLM\..\Run: [DSLAGENTEXE] dslagent.exe USB
O4 - HKLM\..\Run: [WFXSwtch] C:\PROGRA~1\WinFax\WFXSWTCH.exe
O4 - HKLM\..\Run: [WinFaxAppPortStarter] wfxsnt40.exe
O4 - HKLM\..\Run: [iTunesHelper] C:\Programmi\iTunes\iTunesHelper.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [KernelFaultCheck] :systemroot:\system32\dumprep 0 -k
O4 - HKLM\..\Run: [Connector] C:\WINDOWS\System32\ShellExt\sys.EXE -n
O4 - Global Startup: Controller.LNK = C:\Programmi\WinFax\WFXCTL32.EXE
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O8 - Extra context menu item: &Google Search - res://c:\programmi\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: Collegamenti a ritroso - res://c:\programmi\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Pagine simili - res://c:\programmi\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Versione cache della pagina - res://c:\programmi\google\GoogleToolbar2.dll/cmcache.html
O16 - DPF: {373FF7F0-EB8B-11CD-8820-08002B2F4F5A} (Microsoft Slider Control, version 5.0 (SP2)) - http://ww3.atlanteitaliano.it/ecwplugins/COMCTL.cab
O16 - DPF: {8EC18CE2-D7B4-11D2-88C8-006008A717FD} (NCSView Class) - http://ww3.atlanteitaliano.it/ecwplugins/ncs.cab
O16 - DPF: {E0E69D17-EDB3-429B-AEDD-B3708F6F1D67} (MCSI Chart) - http://investor.24oreborsaonline.ilsole24ore.com/Investor/Cabs/McsItPtf.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{D85008C2-DBDB-406B-8F04-1473E8004A23}: NameServer = 192.168.0.1
O23 - Service: ActiveFax-Server-Service (ActiveFaxServiceNT) - Vogler Software - C:\Programmi\ActiveFax\Server\ActSrvNT.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccPwdSvc.exe
O23 - Service: Provvedere al Servizio Sicurezza (GEARSecurity) - GEAR Software - C:\WINDOWS\System32\gearsec.exe
O23 - Service: Servizio iPod (iPodService) - Apple Computer, Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE
O23 - Service: Servizio Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Programmi\Norton AntiVirus\navapsvc.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FILECO~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: WinFax PRO (wfxsvc) - Symantec Corporation - C:\WINDOWS\System32\WFXSVC.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).

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O4 - HKLM\..\Run: [Connector] C:\WINDOWS\System32\ShellExt\sys.EXE -n
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Con la funzione TROVA di Windows, cerca ed elimina questi file,

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sys.EXE
==================================

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