ciao a tutti, il pc di mia figlia e pieno di virus e alieni.
mi aiutate ? grazie.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 12.11.20, on 08/11/2008
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Boot mode: Normal

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\Alwil Software\Avast4\aswUpdSv.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\dllcache\sxchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\RunDll32.exe
C:\Programmi\TomTom HOME\TomTomHOME.exe
C:\WINDOWS\System32\spoolsvc.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
C:\Documents and Settings\mery\Impostazioni locali\Temp\Directory temporanea 1 per HiJackThis.zip\HijackThis.exe

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: XML Class - {500BCA15-57A7-4eaf-8143-8C619470B13D} - C:\WINDOWS\System32\msxml71.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Programmi\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {85A83E63-F332-4F95-8B6D-1EEB878ED4CF} - C:\WINDOWS\System32\qoMfgEUk.dll (file missing)
O2 - BHO: (no name) - {A9B1CC40-93E0-4F62-B033-E816110B079A} - (no file)
O2 - BHO: (no name) - {FC89D06A-0B29-4860-B68A-67A05C123A61} - (no file)
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [TomTomHOME.exe] "C:\Programmi\TomTom HOME\TomTomHOME.exe" -s
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [BMa38974a0] Rundll32.exe "C:\WINDOWS\System32\txixihoj.dll",s
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [NBJ] "C:\Programmi\Ahead\Nero BackItUp\NBJ.exe"
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [MSFox] C:\DOCUME~1\mery\IMPOST~1\Temp\video205.cfg.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'Default user')
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Programmi\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Programmi\Spybot - Search & Destroy\SDHelper.dll
O12 - Plugin for .spop: C:\Programmi\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1220889551421
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://www.update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1220890183312
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: Microsoft Agent - Unknown owner - C:\WINDOWS\System32\dllcache\sxchost.exe

--
End of file - 4745 bytes

Chiudi HijackThis in una cartella a lui dedicata (possibilmente non sul desktop), altrimenti perdi i backup;

Disattiva il Ripristino configurazione di Sistema come qui descritto

avvia in modalità provvisoria come qui descritto

rendi visibili le cartelle nascoste ------ > procedura:
da Risorse del computer:
Strumenti >> Opzioni cartella >> visualizzazione;
metti la spunta su:
Visualizza file e cartelle nascoste;
togli la spunta da:
Nascondi file protetti del sistema(consigliato)


Avvia hijackthis, con tutte le applicazioni chiuse, premi su Do a system scan only , spunta ed elimina (fix checked) le seguenti righe:

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O2 - BHO: (no name) - {85A83E63-F332-4F95-8B6D-1EEB878ED4CF} -C:\WINDOWS\System32\qoMfgEUk.dll (file missing)
O2 - BHO: XML Class - {500BCA15-57A7-4eaf-8143-8C619470B13D} - C:\WINDOWS\System32\msxml71.dll
O2 - BHO: (no name) - {A9B1CC40-93E0-4F62-B033-E816110B079A} - (no file)
O2 - BHO: (no name) - {FC89D06A-0B29-4860-B68A-67A05C123A61} - (no file)
O4 - HKLM\..\Run: [BMa38974a0] Rundll32.exe "C:\WINDOWS\System32\txixihoj.dll",s
O4 - HKCU\..\Run: [MSFox] C:\DOCUME~1\mery\IMPOST~1\Temp\video205.cfg.exe
O23 - Service: Microsoft Agent - Unknown owner - C:\WINDOWS\System32\dllcache\sxchost.exe

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Trova e cancella il file in rosso:
_________________________________________________________________________________
C:\WINDOWS\System32\dllcache\sxchost.exe
C:\WINDOWS\System32\spoolsvc.exe
C:\WINDOWS\System32\msxml71.dll
_________________________________________________________________________________

Start >> Esegui. Scrivi (o copia e incolla) la stringa %temp%, clicca su Ok, svuota la cartella temp del tuo profilo:

Vai su Strumenti >> Opzioni Internet, elimina la cronologia, i files temporanei internet, i cookies;

svuota il cestino;

riavvia il computer normalmente.
Fai un controllo antivirus a questo indirizzo
Alla fine:

rinascondi le cartelle di sistema;
riattiva il ripristino configurazione di sistema e, se tutto è a posto, creane uno nuovo.

PS Dovresti installare SP2 o il SP3 per aumentare le difese del tuo sistema.

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