Problema con un programma DOS di contabilità

Buongiorno
molto probabilmente il PC è stato infestato da un virus e da venerdì non funzionana più un programma DOS di contabilità viene segnalato:
c:\windows\system32\cmd.exe
NTVDM ha rlevato un errore di sistema
NTVDM ha rilevato un errore di sistema c0h Scegliere "chiudi" per terminare l'operazione"

Ho letto in internet e ho tentato con vari antivirus.

Sotto riporto il log di HiJackThis

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18.40.57, on 05/09/2011
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\File comuni\Apple\Mobile Device Support\AppleMobileDeviceService.exe
C:\Programmi\Bonjour\mDNSResponder.exe
C:\Programmi\Prevx\prevx.exe
C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
C:\Programmi\F-Secure\Anti-Virus\fsgk32st.exe
C:\Programmi\F-Secure\Common\FSMA32.EXE
C:\Programmi\F-Secure\Anti-Virus\FSGK32.EXE
C:\Programmi\F-Secure\Common\FSHDLL32.EXE
C:\Programmi\Google\Update\GoogleUpdate.exe
C:\WINDOWS\system32\svchost.exe
C:\PROGRA~1\TEXTBR~1.0\Bin\INSTAN~1.EXE
C:\Programmi\F-Secure\Common\FSM32.EXE
C:\Programmi\ROUTE 66\ROUTE 66 Sync\Sync9Loader.exe
D:\itunes\iTunesHelper.exe
C:\Programmi\File comuni\Ahead\lib\NMBgMonitor.exe
C:\Programmi\Windows Live\Messenger\msnmsgr.exe
C:\programmi\nokia\Nokia PC Suite 7\PCSuite.exe
C:\Programmi\TomTom HOME 2\TomTomHOMERunner.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Adobe\Acrobat 6.0\Distillr\acrotray.exe
C:\Programmi\TomTom HOME 2\TomTomHOMEService.exe
C:\Programmi\Trust\Easy Webscan\ScanPanel.exe
C:\Programmi\Sony\Sony Picture Utility\VolumeWatcher\SPUVolumeWatcher.exe
C:\Programmi\Prevx\prevx.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Programmi\F-Secure\FWES\Program\fsdfwd.exe
C:\Programmi\F-Secure\Anti-Virus\fssm32.exe
C:\Programmi\iPod\bin\iPodService.exe
C:\Programmi\PC Connectivity Solution\ServiceLayer.exe
C:\Programmi\PC Connectivity Solution\Transports\NclUSBSrv.exe
C:\Programmi\PC Connectivity Solution\Transports\NclRSSrv.exe
C:\Programmi\F-Secure\Anti-Virus\fsav32.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Documents and Settings\Proprietario\Desktop\virus\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/webhp?sourceid=nav ... t&ie=UTF-8
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Supporto di collegamento per Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: SafeOnline BHO - {69D72956-317C-44bd-B369-8E44D4EF9801} - C:\WINDOWS\system32\PxSecure.dll
O2 - BHO: Guida per l'accesso a Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programmi\File comuni\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Programmi\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: AcroIEToolbarHelper Class - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Programmi\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programmi\Google\GoogleToolbarNotifier\5.6.6209.1142\swg.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Programmi\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Programmi\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [InstantAccess] C:\PROGRA~1\TEXTBR~1.0\Bin\INSTAN~1.EXE /h
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Programmi\F-Secure\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Programmi\F-Secure\FSGUI\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [ROUTE66Sync] C:\Programmi\ROUTE 66\ROUTE 66 Sync\Sync9Loader.exe -runinbackground
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "D:\itunes\iTunesHelper.exe"
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Programmi\File comuni\Ahead\lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [MsnMsgr] "C:\Programmi\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [PC Suite Tray] "C:\programmi\nokia\Nokia PC Suite 7\PCSuite.exe" -onlytray
O4 - HKCU\..\Run: [swg] C:\Programmi\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [TomTomHOME.exe] "C:\Programmi\TomTom HOME 2\TomTomHOMERunner.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
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 - Startup: Utilità controllo supporti di Picture Motion Browser.lnk = C:\Programmi\Sony\Sony Picture Utility\VolumeWatcher\SPUVolumeWatcher.exe
O4 - Global Startup: Acrobat Assistant.lnk = C:\Programmi\Adobe\Acrobat 6.0\Distillr\acrotray.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: EPSON Status Monitor 3 Environment Check 2.lnk = C:\WINDOWS\system32\spool\drivers\w32x86\3\E_SRCV02.EXE
O4 - Global Startup: ScanPanel.lnk = C:\Programmi\Trust\Easy Webscan\ScanPanel.exe
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Google Sidewiki... - res://C:\Programmi\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_D183CA64F05FDD98.dll/cmsidewiki.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/IT-IT/a-U ... E_UNO1.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupda ... 1806544387
O16 - DPF: {917623D1-D8E5-11D2-BE8B-00104B06BDE3} (CamImage Class) - http://www.inforiviera.it/new_webcam/AxisCamControl.ocx
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/Me ... b56907.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - https://fpdownload.macromedia.com/get/s ... wflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{074A32AB-909D-4DB0-B5F0-7DAAE811E22B}: NameServer = 151.99.125.1,151.99.0.100
O17 - HKLM\System\CCS\Services\Tcpip\..\{1ED6F090-3D5F-441E-AAA9-423BA96C5B3C}: NameServer = 62.94.0.1,62.94.0.2
O17 - HKLM\System\CS1\Services\Tcpip\..\{074A32AB-909D-4DB0-B5F0-7DAAE811E22B}: NameServer = 151.99.125.1,151.99.0.100
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Programmi\File comuni\Apple\Mobile Device Support\AppleMobileDeviceService.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: Servizio Bonjour (Bonjour Service) - Apple Inc. - C:\Programmi\Bonjour\mDNSResponder.exe
O23 - Service: CSIScanner - Prevx - C:\Programmi\Prevx\prevx.exe
O23 - Service: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
O23 - Service: F-Secure BlackLight Sensor - Unknown owner - C:\WINDOWS\TEMP\F-Secure\Anti-Virus\fsblsrv.exe (file missing)
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Programmi\F-Secure\Anti-Virus\fsgk32st.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Programmi\F-Secure\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Programmi\F-Secure\Common\FSMA32.EXE
O23 - Service: F-Secure ORSP Client (FSORSPClient) - F-Secure Corporation - C:\Programmi\F-Secure\ORSP Client\fsorsp.exe
O23 - Service: Servizio di Google Update (gupdate) (gupdate) - Google Inc. - C:\Programmi\Google\Update\GoogleUpdate.exe
O23 - Service: Servizio Google Update (gupdatem) (gupdatem) - Google Inc. - C:\Programmi\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Servizio iPod (iPod Service) - Apple Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: ServiceLayer - Nokia. - C:\Programmi\PC Connectivity Solution\ServiceLayer.exe
O23 - Service: TomTomHOMEService - TomTom - C:\Programmi\TomTom HOME 2\TomTomHOMEService.exe

--
End of file - 10696 bytes


Ho già provato con i vari programmi consigliati come CCleaner, MalwareBytes, ComboFix, Gmer, Prevx, e anti altri
L'unico che rivela qualche cosa è Rootkit Buster che segnala, ma non riesce a rimuovere, un Master Boot Record (MBR) sector (che credo essere il mio problema).


+----------------------------------------------------
| Trend Micro RootkitBuster
| Module version: 2.80.0.1077
+----------------------------------------------------


--== Dump Hidden MBR, Hidden Files and Alternate Data Streams on C:\ ==--
[HIDDEN_FILE]:
FullPath : Master Boot Record (MBR) Sector
FullPathLength: 0
DesiredAccess : 0x0
Options : 0x0
Attributes : 0x0
ShareAccess : 0x0
Type : 0x0
1 hidden files found.

--== Dump Hidden Registry Value on HKLM ==--
No hidden registry entries found.


--== Dump Hidden Process ==--
No hidden processes found.

--== Dump Hidden Driver ==--
No hidden drivers found.

Cosa altro posso fare?

Grazie in anticipo

Ciao,

prova a fare una verifica con TDSSKiller
http://support.kaspersky.com/faq/?qid=208280684

Ti ringrazio tantissimo steven75, dopo giorni interminabili di scansioni, finalmente con la tua indicazione ho risolto in 5 minuti.
Sei grande!

Ciao e Benvenuto/a nel Forum di Manuali.it !
Ti ringraziamo per esserti iscritto/a ed essere entrato/a a far parte della nostra comunità.

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Ci vediamo sul Forum !
Un saluto.
Lo Staff

di niente figurati.... contento che hai risolto.