Salva a tutti.
Sono sicuro di avere un malware, ma non riesco a cancellarlo. Questo si prende una bella fetta di banda della mia connessione. Ho fatto tutti i passi consigliati nella guida prima di aprire un topic, ma niente.
Il Log di HijackThis:
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Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 22.07.37, on 09/02/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC 2.EXE
C:\Programmi\Winamp\Winampa.exe
C:\Programmi\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Programmi\ClamWin\bin\ClamTray.exe
C:\Programmi\Java\jre1.6.0_07\bin\jusched.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\TEMP\BN7.tmp
C:\Programmi\Mozilla Firefox\firefox.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
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: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.6.0_07\bin\ssv.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [EPSON Stylus C44 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC 2.EXE /P23 "EPSON Stylus C44 Series" /O6 "USB001" /M "Stylus C44"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [WinampAgent] "C:\Programmi\Winamp\Winampa.exe"
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Programmi\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [ClamWin] "C:\Programmi\ClamWin\bin\ClamTray.exe" --logon
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre1.6.0_07\bin\jusched.exe "
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Google Update] "C:\Documents and Settings\Giuseppe\Impostazioni locali\Dati applicazioni\Google\Update\GoogleUpdate.exe" /c
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: Conexant DSL Wizard.LNK = C:\Programmi\Conexant\DSL Wizard\Setup.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_07\bin\ssv.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
O17 - HKLM\System\CCS\Services\Tcpip\..\{9253316E-5BAC-4061-B0EE-F2DE6748B901}: NameServer = 193.70.152.15 193.70.152.25
O23 - Service: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
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End of file - 3702 bytes
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Il problema sembra essere C:\WINDOWS\TEMP\BN7.tmp, blocco il processo da task manager, lo cancello, ma mi riappare alla prossima connesione (con un nome variabile bn5, bn4, bn3 ecc.)
Da scansione con Clamwin e con Malwarebytes ho individuato (forse) il problema:
C:\windows\system32\drivers\Vyd47.sys
e le seguenti chiavi di registro:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v yd47 (Rootkit.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\v yd47 (Rootkit.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\vyd47 (Rootkit.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\tcpsr (Trojan.Agent) -> Quarantined and deleted successfully.
L'ultima dell'elenco si cancella al riavvio del pc, le altre no.
Ho provato a cancellarle dal registro di memoria in modalità provvisoria, niente.HO provato anche con lo strumento file assasine di malwarebytes ma ancora niente.
Chi può aiutarmi? Una birra a chi mi svela l'arcano![]()