Caro Alfonso, ti vorrei chiedere un aiuto, ecco il log:

Logfile of HijackThis v1.99.1
Scan saved at 13.07.53, on 29/04/2005
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:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Ahead\InCD\InCDsrv.exe
C:\WINDOWS\System32\mgabg.exe
C:\Programmi\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\PDesk\PDesk.exe
C:\Programmi\Ahead\InCD\InCD.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\WINDOWS\Mixer.exe
C:\Programmi\QuickTime\qttask.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb09.exe
C:\Programmi\Hewlett-Packard\HP Software Update\HPWuSchd.exe
C:\Programmi\HP\hpcoretech\hpcmpmgr.exe
C:\Programmi\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe
C:\Documents and Settings\Marina\Dati applicazioni\sgrunt\IE4321.exe
C:\Programmi\Messenger\msmsgs.exe
C:\WINDOWS\System32\WISPTIS.EXE
C:\Documents and Settings\Marina\Impostazioni locali\Temp\Directory temporanea 1 per hijackthis.zip\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.xbeta69.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {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
O4 - HKLM\..\Run: [Matrox Powerdesk] C:\WINDOWS\System32\PDesk\PDesk.exe /Autolaunch
O4 - HKLM\..\Run: [Ati Control Panel] atiphexx.exe
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: [C-Media Mixer] Mixer.exe /startup
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb09.exe
O4 - HKLM\..\Run: [HP Software Update] "C:\Programmi\Hewlett-Packard\HP Software Update\HPWuSchd.exe"
O4 - HKLM\..\Run: [HP Component Manager] "C:\Programmi\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [DeviceDiscovery] C:\Programmi\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Programmi\File comuni\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [Olympic] C:\Documents and Settings\Marina\Dati applicazioni\sgrunt\IE4321.exe
O4 - HKLM\..\RunServices: [Ati Control Panel] atiphexx.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - Global Startup: EPSON Status Monitor 3 Environment Check.lnk = C:\WINDOWS\system32\spool\drivers\w32x86\3\E_SRCV03.EXE
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\MSMSGS.EXE
O12 - Plugin for .spop: C:\Programmi\Internet Explorer\Plugins\NPDocBox.dll
O15 - Trusted Zone: www.sgrunt.biz
O15 - Trusted Zone: www.xbeta69.com
O15 - Trusted Zone: www.yeak.net
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab28578.cab
O16 - DPF: {4D8DF501-99FB-41EE-8077-BB77C8D0A8F2} (GestoreStampa Object) - https://www.autobus.it/V3_2_0/stampax/StampaX.cab
O16 - DPF: {62475759-9E84-458E-A1AB-5D2C442ADFDE} - http://a1540.g.akamai.net/7/1540/52/20040428/qtinstall.info.apple.com/saba/it/win/QuickTimeFullInstaller.exe
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab28578.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
O16 - DPF: {DB893839-10F0-4AF9-92FA-B23528F530AF} - http://deposito.hostance.net/dialer/1059849.exe
O16 - DPF: {F6BF0D00-0B2A-4A75-BF7B-F385591623AF} (Solitaire Showdown Class) - http://messenger.zone.msn.com/binary/SolitaireShowdown.cab28578.cab
O16 - DPF: {FFFF0003-0001-101A-A3C9-08002B2F49FB} - http://deposito.hostance.net/dialer/1059849.exe
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = difonzo.local
O17 - HKLM\Software\..\Telephony: DomainName = difonzo.local
O17 - HKLM\System\CCS\Services\Tcpip\..\{99CC11D9-34A5-468C-8D64-B8E74B67EC2E}: NameServer = 192.168.10.100
O17 - HKLM\System\CCS\Services\Tcpip\..\{E992BC57-8BC0-496D-9440-1062EC37D6DF}: NameServer = 192.168.10.100
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = difonzo.local
O23 - Service: pcAnywhere Host Service (awhost32) - Symantec Corporation - C:\Programmi\Symantec\pcAnywhere\awhost32.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
O23 - Service: InCD File System Service (InCDsrv) - AHEAD Software - C:\Programmi\Ahead\InCD\InCDsrv.exe
O23 - Service: MGABGEXE - Matrox Graphics Inc. - C:\WINDOWS\System32\mgabg.exe
O23 - Service: Servizio Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Programmi\Norton AntiVirus\navapsvc.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Programmi\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FILECO~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\Security Center\SymWSC.exe



grazie mille.

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).

==================================
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.xbeta69.com
-
O4 - HKLM\..\Run: [Olympic] C:\Documents and Settings\Marina\Dati applicazioni\sgrunt\IE4321.exe
-
O15 - Trusted Zone: www.sgrunt.biz
O15 - Trusted Zone: www.xbeta69.com
O15 - Trusted Zone: www.yeak.net
-
O16 - DPF: {DB893839-10F0-4AF9-92FA-B23528F530AF} - http://deposito.hostance.net/dialer/1059849.exe
-
O16 - DPF: {FFFF0003-0001-101A-A3C9-08002B2F49FB} - http://deposito.hostance.net/dialer/1059849.exe
==================================

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

==================================
IE4321.exe
==================================

Vai a PANNELLO DI CONTROLLO e clicca su OPZIONI INTERNET
nella finestra che si apre clicca i tre pulsanti
ELIMINA COOKIES - ELIMINA FILE . CANCELLA CRONOOLOGIA
clicca inoltre sul pulsante PAGINA PREDEFINITA e poi su OK

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