salve a tutti. volevo dirvi ke ultimamente ho notato ke andando in siti web comuni, come ad es. agenzia delle entrate e simili, mi ritrovo in un sito contenente materiale porno. qualke volta anke la pagina iniziale è stata modificata verso indirizzi sconosciuti. sono nelle mani di un dirottatore?
mi controllate il log per favore?
Logfile of HijackThis v1.99.1
Scan saved at 22.19.56, on 01/03/2007
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\WgaTray.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Programmi\digicomt\Michelangelo USB ADSL\CnxDslTb.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE
C:\Programmi\QuickTime\qttask.exe
C:\Programmi\Picasa2\PicasaMediaDetector.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
C:\Program Files\FinePixViewer\QuickDCF.exe
C:\Programmi\Microsoft Office\OFFICE11\POWERPNT.EXE
C:\Programmi\Internet Explorer\iexplore.exe
C:\PROGRA~1\WINZIP\winzip32.exe
C:\Documents and Settings\Del Seppia\Impostazioni locali\Temp\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.libero.it
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.libero.it
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://it.yahoo.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
O2 - BHO: AdvertPop - {98DBBF16-CA43-4c33-BE80-99E6694468A4} - C:\Programmi\Internet Explorer\Plugins\AdvertPop.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar4.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar4.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [CnxDslTaskBar] "C:\Programmi\digicomt\Michelangelo USB ADSL\CnxDslTb.exe"
O4 - HKLM\..\Run: [EPSON Stylus C64 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /P23 "EPSON Stylus C64 Series" /O6 "USB001" /M "Stylus C64"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [Picasa Media Detector] C:\Programmi\Picasa2\PicasaMediaDetector.exe
O4 - HKLM\..\Run: [REGSHAVE] C:\Programmi\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - HKLM\..\Run: [msmmi] C:\WINDOWS\system32\msmmi.exe
O4 - HKLM\..\RunOnce: [System UI Uploader] C:\Documents and Settings\Del Seppia\Dati applicazioni\UI_Upd_DLLT.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [swg] C:\Programmi\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
O4 - Startup: Collegamento a SmartClock.lnk = C:\Documents and Settings\Del Seppia\Documenti\orologio\SmartClock.exe
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Exif Launcher.lnk = ?
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
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
O14 - IERESET.INF: START_PAGE_URL=http://www.libero.it
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O17 - HKLM\System\CCS\Services\Tcpip\..\{09DD0BB8-DEFF-441F-A728-31A562C76014}: NameServer = 85.255.115.19,85.255.112.71
O17 - HKLM\System\CCS\Services\Tcpip\..\{8B21F714-C55E-49A8-BE56-2D6DCD99C81A}: NameServer = 85.255.115.19 85.255.112.71
O17 - HKLM\System\CCS\Services\Tcpip\..\{983817C1-677E-4097-BF7D-E43B443EEA3F}: NameServer = 85.255.115.19,85.255.112.71
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: NameServer = 85.255.115.19 85.255.112.71
O17 - HKLM\System\CS1\Services\Tcpip\..\{09DD0BB8-DEFF-441F-A728-31A562C76014}: NameServer = 85.255.115.19,85.255.112.71
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: NameServer = 85.255.115.19 85.255.112.71
O17 - HKLM\System\CS2\Services\Tcpip\..\{09DD0BB8-DEFF-441F-A728-31A562C76014}: NameServer = 85.255.115.19,85.255.112.71
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: NameServer = 85.255.115.19 85.255.112.71
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe

Ciao ,
esegui queste operazioni

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

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.

==================================
O2 - BHO: AdvertPop - {98DBBF16-CA43-4c33-BE80-99E6694468A4} - C:\Programmi\Internet Explorer\Plugins\AdvertPop.dll
-
O4 - HKLM\..\Run: [msmmi] C:\WINDOWS\system32\msmmi.exe
O4 - HKLM\..\RunOnce: [System UI Uploader] C:\Documents and Settings\Del Seppia\Dati applicazioni\UI_Upd_DLLT.exe
-
O17 - HKLM\System\CCS\Services\Tcpip\..\{09DD0BB8-DEFF-441F-A728-31A562C76014}: NameServer = 85.255.115.19,85.255.112.71
O17 - HKLM\System\CCS\Services\Tcpip\..\{8B21F714-C55E-49A8-BE56-2D6DCD99C81A}: NameServer = 85.255.115.19 85.255.112.71
O17 - HKLM\System\CCS\Services\Tcpip\..\{983817C1-677E-4097-BF7D-E43B443EEA3F}: NameServer = 85.255.115.19,85.255.112.71
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: NameServer = 85.255.115.19 85.255.112.71
O17 - HKLM\System\CS1\Services\Tcpip\..\{09DD0BB8-DEFF-441F-A728-31A562C76014}: NameServer = 85.255.115.19,85.255.112.71
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: NameServer = 85.255.115.19 85.255.112.71
O17 - HKLM\System\CS2\Services\Tcpip\..\{09DD0BB8-DEFF-441F-A728-31A562C76014}: NameServer = 85.255.115.19,85.255.112.71
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: NameServer = 85.255.115.19 85.255.112.71
==================================


Con la funzione Cerca di Windows, cerca ed elimina i seguenti file
==================================
AdvertPop.dll
UI_Upd_DLLT.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
poi clicca il pulsante PAGINA PREDEFINITA e 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 e crea un nuovo punto di ripristino, leggi qui alla voce 8
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=170&SH=N

Fai una scansione antivirus on line da questo indirizzo
http://security.symantec.com/sscv6/default.asp?productid=globalsites&langid=it&venid=sym

Nel sistema non é presente un Firewall, installa questo
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=56
e disattiva l'inutile firewall di XP, leggi qui
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=160&SH=N

Utilizza questo programma
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=1041

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Collaboratore Aiutamici