Analizzato da: Thea Patrice Tajonera   

 

Win32/LuluSoftware.K (NOD32)

 Piattaforma:

Windows

 Valutazione del rischio complessivo:
 Potenziale dannoso: :
 Potenziale di distribuzione: :
 Reported Infection:
 Informazioni esposizione: :
Basso
Medio
Alto
Critico

  • Tipo di minaccia informatica:
    Potentially Unwanted Application

  • Distruttivo?:
    No

  • Crittografato?:
     

  • In the wild::


  Dettagli tecnici

Instalación

Infiltra los archivos siguientes:

  • %User Temp%\Cab{Random 4 Characters}.tmp -> deleted afterwards
  • %User Temp%\Tar{Random 4 Characters}.tmp -> deleted afterwards
  • %User Temp%\{Random Characters}.{Random Characters}\7z.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ar\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ca\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\co-FR\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\cs\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\da\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\de\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\es\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\fr\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ga\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\he\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\hu\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\it\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ja\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\lt\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\nl\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\pl\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\pt-BR\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ru\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\sk\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\sl\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\uk\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\license.md
  • %User Temp%\{Random Characters}.{Random Characters}\PDFCreator-4_2_0_29325-Setup_x64.msi
  • %User Temp%\{Random Characters}.{Random Characters}\PDFCreator-4_2_0_29325-Setup_x86.msi
  • %User Temp%\{Random Characters}.{Random Characters}\pdfcreator-languages.txt
  • %User Temp%\{Random Characters}.{Random Characters}\PDFCreatorSetup.exe.config
  • %User Temp%\{Random Characters}.{Random Characters}\ActiveDirectoryObjectPicker.dll
  • %User Temp%\{Random Characters}.{Random Characters}\architect_setup.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Banners.dll
  • %User Temp%\{Random Characters}.{Random Characters}\BootstrapperCore.dll
  • %User Temp%\{Random Characters}.{Random Characters}\CommonServiceLocator.dll
  • %User Temp%\{Random Characters}.{Random Characters}\DataStorage.dll
  • %User Temp%\{Random Characters}.{Random Characters}\EditionBase.dll
  • %User Temp%\{Random Characters}.{Random Characters}\GUI.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Helper.dll
  • %User Temp%\{Random Characters}.{Random Characters}\ICSharpCode.SharpZipLib.dll
  • %User Temp%\{Random Characters}.{Random Characters}\LicenseValidator.dll
  • %User Temp%\{Random Characters}.{Random Characters}\LicenseValidator.Interface.dll
  • %User Temp%\{Random Characters}.{Random Characters}\MahApps.Metro.dll
  • %User Temp%\{Random Characters}.{Random Characters}\MahApps.Metro.SimpleChildWindow.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Markdig.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Markdig.Wpf.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Microsoft.Deployment.WindowsInstaller.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Microsoft.Xaml.Behaviors.Design.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Microsoft.Xaml.Behaviors.dll
  • %User Temp%\{Random Characters}.{Random Characters}\NDP472-KB4054531-Web.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Newtonsoft.Json.dll
  • %User Temp%\{Random Characters}.{Random Characters}\NGettext.dll
  • %User Temp%\{Random Characters}.{Random Characters}\NLog.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Obsidian.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Optional.dll
  • %User Temp%\{Random Characters}.{Random Characters}\PDFCreatorSetup.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Pidgin.dll
  • %User Temp%\{Random Characters}.{Random Characters}\printerhelper.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Shared.dll
  • %User Temp%\{Random Characters}.{Random Characters}\SimpleInjector.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Buffers.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Collections.Immutable.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Memory.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Numerics.Vectors.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Runtime.CompilerServices.Unsafe.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.ValueTuple.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Windows.Interactivity.dll
  • %User Temp%\{Random Characters}.{Random Characters}\SystemInterface.dll
  • %User Temp%\{Random Characters}.{Random Characters}\SystemWrapper.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Translatable.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Translatable.NGettext.dll
  • %User Temp%\{Random Characters}.{Random Characters}\UsageStatistics.dll
  • %User Temp%\{Random Characters}.{Random Characters}\WixSharp.dll
  • %User Temp%\{Random Characters}.{Random Characters}\WixSharp.Msi.dll
  • %User Temp%\{Random Characters}.{Random Characters}\WixSharp.UI.dll

(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp y en el case de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}\AppData\Local\Temp).

)

Agrega los procesos siguientes:

  • "%User Temp%\{Random Characters}.{Random Characters}\7z.exe" x "{Malware Path}\{Malware Filename}.exe" -o"%User Temp%\{Random Characters}.{Random Characters}"

(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp y en el case de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}\AppData\Local\Temp).

)

Otras modificaciones del sistema

Modifica las siguientes entradas de registro:

HKEY_CURRENT_USER\Software\Microsoft\
Direct3D\MostRecentApplication
Name = {Malware Filename}.exe

Otros detalles

It connects to the following possibly malicious URL:

  • http://www.download.windo{BLOCKED}.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
  • http://t2.s{BLOCKED}.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQwF4prw9S7mCbCEHD%2Fyl6nWPkczAQUe1tFz6%2FOy3r9MZIaarbzRutXSFACEHGgtzaV3bGvwjsrmhjuVMs%3D
  • http://tl.s{BLOCKED}.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSFBjxN%2BWY73bfUnSOp7HDKJ%2Fbx0wQUV4abVLi%2BpimK5PbC4hMYiYXN3LcCEHOZ8G98q%2BUKXOwX5eKP3HQ%3D

  Soluzioni

Motore di scansione minimo: 9.800
File di pattern SSAPI: 2.419.00
Data di pubblicazione del pattern SSAPI: 24 giugno 2021

Step 1

Los usuarios de Windows ME y XP, antes de llevar a cabo cualquier exploración, deben comprobar que tienen desactivada la opción Restaurar sistema para permitir la exploración completa del equipo.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Restaurar este valor del Registro modificado

[ learnMore ]

Importante: si modifica el Registro de Windows incorrectamente, podría hacer que el sistema funcione mal de manera irreversible. Lleve a cabo este paso solo si sabe cómo hacerlo o si puede contar con ayuda de su administrador del sistema. De lo contrario, lea este artículo de Microsoft antes de modificar el Registro del equipo.

 
  • In HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication
    • From: Name = "{Malware Filename}.exe
      To: Name = "{Default Value}"

Step 4

Buscar y eliminar este archivo

[ learnMore ]
Puede que algunos de los archivos del componente estén ocultos. Asegúrese de que tiene activada la casilla Buscar archivos y carpetas ocultos en la opción Más opciones avanzadas para que el resultado de la búsqueda incluya todos los archivos y carpetas ocultos.
  • %User Temp%\{Random Characters}.{Random Characters}\7z.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ar\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ca\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\co-FR\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\cs\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\da\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\de\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\es\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\fr\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ga\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\he\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\hu\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\it\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ja\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\lt\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\nl\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\pl\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\pt-BR\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\ru\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\sk\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\sl\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\Languages\uk\LC_MESSAGES\setup.mo
  • %User Temp%\{Random Characters}.{Random Characters}\license.md
  • %User Temp%\{Random Characters}.{Random Characters}\PDFCreator-4_2_0_29325-Setup_x64.msi
  • %User Temp%\{Random Characters}.{Random Characters}\PDFCreator-4_2_0_29325-Setup_x86.msi
  • %User Temp%\{Random Characters}.{Random Characters}\pdfcreator-languages.txt
  • %User Temp%\{Random Characters}.{Random Characters}\PDFCreatorSetup.exe.config
  • %User Temp%\{Random Characters}.{Random Characters}\ActiveDirectoryObjectPicker.dll
  • %User Temp%\{Random Characters}.{Random Characters}\architect_setup.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Banners.dll
  • %User Temp%\{Random Characters}.{Random Characters}\BootstrapperCore.dll
  • %User Temp%\{Random Characters}.{Random Characters}\CommonServiceLocator.dll
  • %User Temp%\{Random Characters}.{Random Characters}\DataStorage.dll
  • %User Temp%\{Random Characters}.{Random Characters}\EditionBase.dll
  • %User Temp%\{Random Characters}.{Random Characters}\GUI.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Helper.dll
  • %User Temp%\{Random Characters}.{Random Characters}\ICSharpCode.SharpZipLib.dll
  • %User Temp%\{Random Characters}.{Random Characters}\LicenseValidator.dll
  • %User Temp%\{Random Characters}.{Random Characters}\LicenseValidator.Interface.dll
  • %User Temp%\{Random Characters}.{Random Characters}\MahApps.Metro.dll
  • %User Temp%\{Random Characters}.{Random Characters}\MahApps.Metro.SimpleChildWindow.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Markdig.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Markdig.Wpf.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Microsoft.Deployment.WindowsInstaller.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Microsoft.Xaml.Behaviors.Design.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Microsoft.Xaml.Behaviors.dll
  • %User Temp%\{Random Characters}.{Random Characters}\NDP472-KB4054531-Web.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Newtonsoft.Json.dll
  • %User Temp%\{Random Characters}.{Random Characters}\NGettext.dll
  • %User Temp%\{Random Characters}.{Random Characters}\NLog.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Obsidian.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Optional.dll
  • %User Temp%\{Random Characters}.{Random Characters}\PDFCreatorSetup.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Pidgin.dll
  • %User Temp%\{Random Characters}.{Random Characters}\printerhelper.exe
  • %User Temp%\{Random Characters}.{Random Characters}\Shared.dll
  • %User Temp%\{Random Characters}.{Random Characters}\SimpleInjector.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Buffers.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Collections.Immutable.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Memory.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Numerics.Vectors.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Runtime.CompilerServices.Unsafe.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.ValueTuple.dll
  • %User Temp%\{Random Characters}.{Random Characters}\System.Windows.Interactivity.dll
  • %User Temp%\{Random Characters}.{Random Characters}\SystemInterface.dll
  • %User Temp%\{Random Characters}.{Random Characters}\SystemWrapper.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Translatable.dll
  • %User Temp%\{Random Characters}.{Random Characters}\Translatable.NGettext.dll
  • %User Temp%\{Random Characters}.{Random Characters}\UsageStatistics.dll
  • %User Temp%\{Random Characters}.{Random Characters}\WixSharp.dll
  • %User Temp%\{Random Characters}.{Random Characters}\WixSharp.Msi.dll
  • %User Temp%\{Random Characters}.{Random Characters}\WixSharp.UI.dll

Step 5

Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como PUA.Win32.PDFCreator.A En caso de que el producto de Trend Micro ya haya limpiado, eliminado o puesto en cuarentena los archivos detectados, no serán necesarios más pasos. Puede optar simplemente por eliminar los archivos en cuarentena. Consulte esta página de Base de conocimientos para obtener más información.


Sondaggio