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Discussione: File sospetto: dllhelp

  1. #1

    File sospetto: dllhelp

    Salve a tutti, forse questa volta sono riuscito a risolvere il prob da solo ma vi chiedo una piccola conferma, siccome sono sicuro che oggi qualche utente abbia navigato su siti.. poco sicuri, dal fatto che win 98 2edizione mi da dei problemi, ho controllato il task menager,notando una voce che prima non c'era, si tratta di dllhlp.exe, insospettito ho controllato in proprietà del suddetto file, la data indicava che era stato creato oggi, poi ho riavviato in modalità provvisoria e ho fatto uno scan con HijackThis ed ecco il risultato


    Logfile of HijackThis v1.97.7
    Scan saved at 0.45.51, on 13/06/04
    Platform: Windows 98 SE (Win9x 4.10.2222A)
    MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

    Running processes:
    C:\WINDOWS\SYSTEM\KERNEL32.DLL
    C:\WINDOWS\SYSTEM\MSGSRV32.EXE
    C:\WINDOWS\SYSTEM\MPREXE.EXE
    C:\WINDOWS\EXPLORER.EXE
    C:\GIOCHI BLIZZ\HIJACKTHIS.EXE

    R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://yoursearcher.com/sp.htm
    R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://mypoiskovik.com/sp.htm
    R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://mypoiskovik.com/index.htm
    R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://mypoiskovik.com/sp.htm
    R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://mypoiskovik.com/index.htm
    R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
    R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
    R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
    O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAMMI\ADOBE\ACROBAT 5.0\READER\ACTIVEX\ACROIEHELPER.OCX
    O3 - Toolbar: McAfee VirusScan - {ACB1E670-3217-45C4-A021-6B829A8A27CB} - (no file)
    O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
    O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - C:\PROGRAMMI\MCAFEE.COM\VSO\MCVSSHL.DLL
    O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
    O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
    O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
    O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
    O4 - HKLM\..\Run: [DU Meter] C:\PROGRAMMI\DU METER\DUMETER.EXE
    O4 - HKLM\..\Run: [FinePrint Dispatcher v4] C:\WINDOWS\SYSTEM\fpdisp4a.exe
    O4 - HKLM\..\Run: [NvColorInit] RUNDLL32.EXE NVQTWK.DLL,NvColorInit
    O4 - HKLM\..\Run: [NVQuickTweak] RUNDLL32.EXE NVQTWK.DLL,NvTaskbarInit
    O4 - HKLM\..\Run: [VSOCheckTask] "C:\PROGRA~1\MCAFEE.COM\VSO\MCMNHDLR.EXE" /checktask
    O4 - HKLM\..\Run: [VirusScan Online] "C:\PROGRA~1\MCAFEE.COM\VSO\mcvsshld.exe"
    O4 - HKLM\..\Run: [MCAgentExe] C:\PROGRA~1\MCAFEE.COM\AGENT\mcagent.exe
    O4 - HKLM\..\Run: [MCUpdateExe] C:\PROGRA~1\MCAFEE.COM\AGENT\MCUPDATE.EXE
    O4 - HKLM\..\Run: [iamapp] C:\Programmi\Norton Internet Security\IAMAPP.EXE
    O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM\QTTASK.EXE" -atboottime
    O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
    O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
    O4 - HKLM\..\RunServices: [SymTray - Norton SystemWorks] C:\Programmi\File comuni\Symantec Shared\SymTray.exe "Norton SystemWorks"
    O4 - HKLM\..\RunServices: [McVsRte] C:\PROGRA~1\MCAFEE.COM\VSO\mcvsrte.exe /embedding
    O4 - HKLM\..\RunServices: [nisserv] C:\Programmi\Norton Internet Security\NISSERV.EXE
    O4 - HKCU\..\Run: [Taskbar Display Controls] RunDLL deskcp16.dll,QUICKRES_RUNDLLENTRY
    O4 - HKCU\..\Run: [dllhelp] c:\windows\dllhlp.exe
    O4 - Startup: Drive Preparer.lnk = C:\Programmi\EZSCSI50\DRIVEWIZ\wizwatch.exe
    O4 - Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
    O4 - Startup: PC Alert III.lnk = C:\Programmi\MSI\PC Alert III\alert.exe
    O4 - Startup: MemTurbo.lnk = C:\Programmi\Silicon Prairie Software\MemTurbo\memturbo.exe
    O4 - Startup: DragStrip.lnk = C:\Programmi\Aladdin Systems\DragStrip\DragStrip.exe
    O4 - Startup: Fix-It.lnk = C:\Programmi\VCOM\Fix-It\mxtask.exe
    O4 - Startup: AntiCrash.lnk = C:\Programmi\Dachshund Software\AntiCrash\AntiCrash.exe
    O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://active.macromedia.com/flash2/cabs/swflash.cab
    O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.co...601.4562615741
    O16 - DPF: {C2FCEF52-ACE9-11D3-BEBD-00105AA9B6AE} (Symantec RuFSI Registry Information Class) - http://security.symantec.com/SSC/Sha.../bin/cabsa.cab
    O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcafee.com/molbin/sh...1/mcinsctl.cab
    O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcafee.com/molbin/sh...19/mcgdmgr.cab
    O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Object) - http://www.apple.com/qtactivex/qtplugin.cab
    O16 - DPF: {62475759-9E84-458E-A1AB-5D2C442ADFDE} - http://a1540.g.akamai.net/7/1540/52/...eInstaller.exe
    O16 - DPF: {0E8D0700-75DF-11D3-8B4A-0008C7450C4A} (DjVuCtl Class) - http://downloadcenter.samsung.com/co...rolLite_EN.cab
    O17 - HKLM\System\CCS\Services\VxD\MSTCP: NameServer = 192.243.154.62,195.31.190.31

    dopo ho fatto partire CWShredder/fix, alla voce Restoring Internet Explorer... ha trovato 4 items, e sempre alla voce CWS.IEengine, RESTORED fatto quello ho fatto una seconda scansione con HijackThis

    e sono sparite le voci

    R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://mypoiskovik.com/sp.htm
    R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://mypoiskovik.com/index.htm
    R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://mypoiskovik.com/sp.htm
    R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://mypoiskovik.com/index.htm
    O4 - HKCU\..\Run: [dllhelp] c:\windows\dllhlp.exe

    poi ho cancellato il file dllhlp.exe in mod provvisoria

    Ho eseguito tutto correttamente oppure ho scordato qualcosa?


  2. #2
    Moderatore di Sicurezza informatica e virus L'avatar di amvinfe
    Registrato dal
    May 2002
    Messaggi
    6,739
    la procedura è corretta,

    queste voci le puoi tranquillamente eliminare
    R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
    R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
    O3 - Toolbar: McAfee VirusScan - {ACB1E670-3217-45C4-A021-6B829A8A27CB} - (no file)

    posta però un log di HJT dalla modalità normale
    ==
    Visita il mio blog SuspectFile.com
    ==

  3. #3
    Ti ringrazio x la risposta amvinfe ed ecco il log in mod normale

    Logfile of HijackThis v1.97.7
    Scan saved at 0.21.35, on 14/06/04
    Platform: Windows 98 SE (Win9x 4.10.2222A)
    MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

    Running processes:
    C:\WINDOWS\SYSTEM\KERNEL32.DLL
    C:\WINDOWS\SYSTEM\MSGSRV32.EXE
    C:\WINDOWS\SYSTEM\MPREXE.EXE
    C:\WINDOWS\SYSTEM\MSTASK.EXE
    C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\SYMTRAY.EXE
    C:\PROGRAMMI\MCAFEE.COM\VSO\MCVSRTE.EXE
    C:\PROGRAMMI\NORTON INTERNET SECURITY\NISSERV.EXE
    C:\WINDOWS\SYSTEM\mmtask.tsk
    C:\PROGRAMMI\NORTON INTERNET SECURITY\NISUM.EXE
    C:\PROGRAMMI\NORTON INTERNET SECURITY\SYMPROXYSVC.EXE
    C:\WINDOWS\EXPLORER.EXE
    C:\WINDOWS\TASKMON.EXE
    C:\WINDOWS\SYSTEM\SYSTRAY.EXE
    C:\PROGRAMMI\DU METER\DUMETER.EXE
    C:\WINDOWS\SYSTEM\FPDISP4A.EXE
    C:\WINDOWS\RUNDLL32.EXE
    C:\PROGRAMMI\MCAFEE.COM\VSO\MCVSSHLD.EXE
    C:\PROGRAMMI\MCAFEE.COM\VSO\MCVSESCN.EXE
    C:\PROGRAMMI\MCAFEE.COM\AGENT\MCAGENT.EXE
    C:\PROGRAMMI\NORTON INTERNET SECURITY\IAMAPP.EXE
    C:\WINDOWS\RunDLL.exe
    C:\WINDOWS\SYSTEM\SPOOL32.EXE
    C:\PROGRAMMI\MSI\PC ALERT III\ALERT.EXE
    C:\PROGRAMMI\SILICON PRAIRIE SOFTWARE\MEMTURBO\MEMTURBO.EXE
    C:\WINDOWS\SYSTEM\DDHELP.EXE
    C:\WINDOWS\SYSTEM\WMIEXE.EXE
    C:\PROGRAMMI\NORTON INTERNET SECURITY\ATRACK.EXE
    C:\PROGRAMMI\TELECOM ITALIA\TELECONOMY ADSL\APP\ENTERNET.EXE
    C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
    C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
    C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
    C:\GIOCHI BLIZZ\HIJACKTHIS.EXE
    C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE

    R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://yoursearcher.com/sp.htm
    R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.microsoft.com/isapi/redir.dll?prd={SUB_PRD}&clcid={SUB_CLSID}&pver={SUB_PVER}&ar=hom e
    R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.microsoft.com/isapi/redir...ie&ar=iesearch
    R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.microsoft.com/isapi/redir...r=6&ar=msnhome
    R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.microsoft.com/isapi/redir...ie&ar=iesearch
    R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
    O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAMMI\ADOBE\ACROBAT 5.0\READER\ACTIVEX\ACROIEHELPER.OCX
    O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
    O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - C:\PROGRAMMI\MCAFEE.COM\VSO\MCVSSHL.DLL
    O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
    O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
    O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
    O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
    O4 - HKLM\..\Run: [DU Meter] C:\PROGRAMMI\DU METER\DUMETER.EXE
    O4 - HKLM\..\Run: [FinePrint Dispatcher v4] C:\WINDOWS\SYSTEM\fpdisp4a.exe
    O4 - HKLM\..\Run: [NvColorInit] RUNDLL32.EXE NVQTWK.DLL,NvColorInit
    O4 - HKLM\..\Run: [NVQuickTweak] RUNDLL32.EXE NVQTWK.DLL,NvTaskbarInit
    O4 - HKLM\..\Run: [VSOCheckTask] "C:\PROGRA~1\MCAFEE.COM\VSO\MCMNHDLR.EXE" /checktask
    O4 - HKLM\..\Run: [VirusScan Online] "C:\PROGRA~1\MCAFEE.COM\VSO\mcvsshld.exe"
    O4 - HKLM\..\Run: [MCAgentExe] C:\PROGRA~1\MCAFEE.COM\AGENT\mcagent.exe
    O4 - HKLM\..\Run: [MCUpdateExe] C:\PROGRA~1\MCAFEE.COM\AGENT\MCUPDATE.EXE
    O4 - HKLM\..\Run: [iamapp] C:\Programmi\Norton Internet Security\IAMAPP.EXE
    O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM\QTTASK.EXE" -atboottime
    O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
    O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
    O4 - HKLM\..\RunServices: [SymTray - Norton SystemWorks] C:\Programmi\File comuni\Symantec Shared\SymTray.exe "Norton SystemWorks"
    O4 - HKLM\..\RunServices: [McVsRte] C:\PROGRA~1\MCAFEE.COM\VSO\mcvsrte.exe /embedding
    O4 - HKLM\..\RunServices: [nisserv] C:\Programmi\Norton Internet Security\NISSERV.EXE
    O4 - HKCU\..\Run: [Taskbar Display Controls] RunDLL deskcp16.dll,QUICKRES_RUNDLLENTRY
    O4 - Startup: Drive Preparer.lnk = C:\Programmi\EZSCSI50\DRIVEWIZ\wizwatch.exe
    O4 - Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
    O4 - Startup: PC Alert III.lnk = C:\Programmi\MSI\PC Alert III\alert.exe
    O4 - Startup: MemTurbo.lnk = C:\Programmi\Silicon Prairie Software\MemTurbo\memturbo.exe
    O4 - Startup: DragStrip.lnk = C:\Programmi\Aladdin Systems\DragStrip\DragStrip.exe
    O4 - Startup: Fix-It.lnk = C:\Programmi\VCOM\Fix-It\mxtask.exe
    O4 - Startup: AntiCrash.lnk = C:\Programmi\Dachshund Software\AntiCrash\AntiCrash.exe
    O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://active.macromedia.com/flash2/cabs/swflash.cab
    O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.co...601.4562615741
    O16 - DPF: {C2FCEF52-ACE9-11D3-BEBD-00105AA9B6AE} (Symantec RuFSI Registry Information Class) - http://security.symantec.com/SSC/Sha.../bin/cabsa.cab
    O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcafee.com/molbin/sh...1/mcinsctl.cab
    O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcafee.com/molbin/sh...19/mcgdmgr.cab
    O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Object) - http://www.apple.com/qtactivex/qtplugin.cab
    O16 - DPF: {62475759-9E84-458E-A1AB-5D2C442ADFDE} - http://a1540.g.akamai.net/7/1540/52/...eInstaller.exe
    O16 - DPF: {0E8D0700-75DF-11D3-8B4A-0008C7450C4A} (DjVuCtl Class) - http://downloadcenter.samsung.com/co...rolLite_EN.cab


    O17 - HKLM\System\CCS\Services\VxD\MSTCP: NameServer = 192.243.154.62,195.31.190.31

  4. #4
    Moderatore di Sicurezza informatica e virus L'avatar di amvinfe
    Registrato dal
    May 2002
    Messaggi
    6,739
    elimina questo valore

    R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://yoursearcher.com/sp.htm

    ricordati che prima di cliccare su Fix checked tutte le applicazioni browser compreso(!) devono essere chiusi.

    Fai una ricerca del file (è un file senza estensione)

    hosts

    cliccai su di dx
    dal menù scegli
    Apri con
    verifica che NON ci sia spuntata la casellina

    Utilizza sempre questa applicazione per aprire questo tipo di file
    aprilo con il Notepad

    elimina tutti gli eventuali valori che trovi eccetto il valore

    127.0.0.1 localhost

    clicca in alto su
    File
    e poi su
    Salva.

    Controlla che in preferiti non vi siano URLs aggiunte dal trojan, nel caso li elimini.
    Riavvia.
    ==
    Visita il mio blog SuspectFile.com
    ==

  5. #5
    Ho fatto come mi hai detto, già da tempo controllo il file host, anche in ufficio, comunque grazie per la dritta.


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