Analizzato da: Mc Justine De Guzman   
 

Win32/InstallCore.Gen.A (NOD32) ; InstallCore (NAI)

 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::
    Sì

  Panoramica e descrizione

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  Dettagli tecnici

Dimensione file: 1,436,152 bytes
Tipo di file: EXE

Detalles de entrada

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Instalación

Infiltra los archivos siguientes:

  • %User Temp%\inH{random numbers}\csshover3.htc
  • %User Temp%\inH{random numbers}\form.bmp.Mask
  • %User Temp%\inH{random numbers}\css\ie6_main.css
  • %User Temp%\inH{random numbers}\css\ie6_main.css.map
  • %User Temp%\inH{random numbers}\css\ie6_main.scss
  • %User Temp%\inH{random numbers}\css\main.css
  • %User Temp%\inH{random numbers}\css\main.css.map
  • %User Temp%\inH{random numbers}\css\main.scss
  • %User Temp%\inH{random numbers}\css\_functions.scss
  • %User Temp%\inH{random numbers}\css\_helpers.scss
  • %User Temp%\inH{random numbers}\css\_variables.scss
  • %User Temp%\inH{random numbers}\css\helpers\_align.scss
  • %User Temp%\inH{random numbers}\css\helpers\_backgrounds.scss
  • %User Temp%\inH{random numbers}\css\helpers\_border-radius.scss
  • %User Temp%\inH{random numbers}\css\helpers\_border.scss
  • %User Temp%\inH{random numbers}\css\helpers\_clearfix.scss
  • %User Temp%\inH{random numbers}\css\helpers\_colors.scss
  • %User Temp%\inH{random numbers}\css\helpers\_display.scss
  • %User Temp%\inH{random numbers}\css\helpers\_float.scss
  • %User Temp%\inH{random numbers}\css\helpers\_lists.scss
  • %User Temp%\inH{random numbers}\css\helpers\_margin.scss
  • %User Temp%\inH{random numbers}\css\helpers\_padding.scss
  • %User Temp%\inH{random numbers}\css\helpers\_positions.scss
  • %User Temp%\inH{random numbers}\css\helpers\_typography.scss
  • %User Temp%\inH{random numbers}\css\helpers\_visibility.scss
  • %User Temp%\inH{random numbers}\css\helpers\_width-height.scss
  • %User Temp%\inH{random numbers}\css\helpers\_z-index.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\_browse.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\_button.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\_checkbox.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\_progress-bar.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\images\button-bg.png
  • %User Temp%\inH{random numbers}\css\sdk-ui\images\progress-bg-corner.png
  • %User Temp%\inH{random numbers}\css\sdk-ui\images\progress-bg.png
  • %User Temp%\inH{random numbers}\css\sdk-ui\images\progress-bg2.png
  • %User Temp%\inH{random numbers}\images\ACCEPT_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\ACCEPT_updatestartest.png
  • %User Temp%\inH{random numbers}\images\BG.png
  • %User Temp%\inH{random numbers}\images\Close.png
  • %User Temp%\inH{random numbers}\images\Close_Hover.png
  • %User Temp%\inH{random numbers}\images\Color_Button.png
  • %User Temp%\inH{random numbers}\images\Color_Button_Hover.png
  • %User Temp%\inH{random numbers}\images\DECLINE_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\DECLINE_updatestartest.png
  • %User Temp%\inH{random numbers}\images\FINISH_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\FINISH_updatestartest.png
  • %User Temp%\inH{random numbers}\images\GENERAL_BG_updatestarframe.png
  • %User Temp%\inH{random numbers}\images\Grey_Button.png
  • %User Temp%\inH{random numbers}\images\Grey_Button_Hover.png
  • %User Temp%\inH{random numbers}\images\Icon_Generic.png
  • %User Temp%\inH{random numbers}\images\INSTALL_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\INSTALL_updatestartest.png
  • %User Temp%\inH{random numbers}\images\Loader.gif
  • %User Temp%\inH{random numbers}\images\NEXT_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\NEXT_updatestartest.png
  • %User Temp%\inH{random numbers}\images\Pause_Button.png
  • %User Temp%\inH{random numbers}\images\Progress.png
  • %User Temp%\inH{random numbers}\images\ProgressBar.png
  • %User Temp%\inH{random numbers}\images\Quick_Specs.png
  • %User Temp%\inH{random numbers}\images\Resume_Button.png
  • %User Temp%\inH{random numbers}\images\sponsored.png
  • %User Temp%\inH{random numbers}\locale\EN.locale
  • %User Profile%\Downloads\3cdaemon.exe
  • %User Profile%\Downloads\_ISDEL.EXE
  • %User Profile%\Downloads\_INST32I.EX_
  • %User Profile%\Downloads\_setup.dll
  • %User Profile%\Downloads\_sys1.cab
  • %User Profile%\Downloads\_user1.cab
  • %User Profile%\Downloads\DATA.TAG
  • %User Profile%\Downloads\data1.cab
  • %User Profile%\Downloads\lang.dat
  • %User Profile%\Downloads\layout.bin
  • %User Profile%\Downloads\os.dat
  • %User Profile%\Downloads\setup.bmp
  • %User Profile%\Downloads\SETUP.EXE
  • %User Profile%\Downloads\SETUP.INI
  • %User Profile%\Downloads\setup.ins
  • %User Profile%\Downloads\setup.lid

(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).

. %User Profile% es la carpeta de perfil del usuario activo, que en el caso de Windows 98 y ME suele estar en C:\Windows\Profiles\{nombre de usuario}, en el caso de Windows NT en C:\WINNT\Profiles\{nombre de usuario}, en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) en C:\Documents and Settings\{nombre de usuario} y en el caso de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}).

)

Crea las carpetas siguientes:

  • %User Temp%\inH{random numbers}
  • %User Temp%\inH{random numbers}\css
  • %User Temp%\inH{random numbers}\css\helpers
  • %User Temp%\inH{random numbers}\css\sdk-ui
  • %User Temp%\inH{random numbers}\css\sdk-ui\images
  • %User Temp%\inH{random numbers}\images
  • %User Temp%\inH{random numbers}\locale

(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).

)

Otros detalles

It connects to the following possibly malicious URL:

  • {BLOCKED}.{BLOCKED}tatute1.com
  • {BLOCKED}.{BLOCKED}pdatestar.com

  Soluzioni

Motore di scansione minimo: 9.850
File di pattern SSAPI: 2.157.00
Data di pubblicazione del pattern SSAPI: 21 marzo 2019

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

Search and delete these folders

[ learnMore ]
Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden folders in the search result.  
  • %User Temp%\inH{random numbers}
  • %User Temp%\inH{random numbers}\css
  • %User Temp%\inH{random numbers}\css\helpers
  • %User Temp%\inH{random numbers}\css\sdk-ui
  • %User Temp%\inH{random numbers}\css\sdk-ui\images
  • %User Temp%\inH{random numbers}\images
  • %User Temp%\inH{random numbers}\locale

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%\inH{random numbers}\csshover3.htc
  • %User Temp%\inH{random numbers}\form.bmp.Mask
  • %User Temp%\inH{random numbers}\css\ie6_main.css
  • %User Temp%\inH{random numbers}\css\ie6_main.css.map
  • %User Temp%\inH{random numbers}\css\ie6_main.scss
  • %User Temp%\inH{random numbers}\css\main.css
  • %User Temp%\inH{random numbers}\css\main.css.map
  • %User Temp%\inH{random numbers}\css\main.scss
  • %User Temp%\inH{random numbers}\css\_functions.scss
  • %User Temp%\inH{random numbers}\css\_helpers.scss
  • %User Temp%\inH{random numbers}\css\_variables.scss
  • %User Temp%\inH{random numbers}\css\helpers\_align.scss
  • %User Temp%\inH{random numbers}\css\helpers\_backgrounds.scss
  • %User Temp%\inH{random numbers}\css\helpers\_border-radius.scss
  • %User Temp%\inH{random numbers}\css\helpers\_border.scss
  • %User Temp%\inH{random numbers}\css\helpers\_clearfix.scss
  • %User Temp%\inH{random numbers}\css\helpers\_colors.scss
  • %User Temp%\inH{random numbers}\css\helpers\_display.scss
  • %User Temp%\inH{random numbers}\css\helpers\_float.scss
  • %User Temp%\inH{random numbers}\css\helpers\_lists.scss
  • %User Temp%\inH{random numbers}\css\helpers\_margin.scss
  • %User Temp%\inH{random numbers}\css\helpers\_padding.scss
  • %User Temp%\inH{random numbers}\css\helpers\_positions.scss
  • %User Temp%\inH{random numbers}\css\helpers\_typography.scss
  • %User Temp%\inH{random numbers}\css\helpers\_visibility.scss
  • %User Temp%\inH{random numbers}\css\helpers\_width-height.scss
  • %User Temp%\inH{random numbers}\css\helpers\_z-index.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\_browse.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\_button.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\_checkbox.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\_progress-bar.scss
  • %User Temp%\inH{random numbers}\css\sdk-ui\images\button-bg.png
  • %User Temp%\inH{random numbers}\css\sdk-ui\images\progress-bg-corner.png
  • %User Temp%\inH{random numbers}\css\sdk-ui\images\progress-bg.png
  • %User Temp%\inH{random numbers}\css\sdk-ui\images\progress-bg2.png
  • %User Temp%\inH{random numbers}\images\ACCEPT_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\ACCEPT_updatestartest.png
  • %User Temp%\inH{random numbers}\images\BG.png
  • %User Temp%\inH{random numbers}\images\Close.png
  • %User Temp%\inH{random numbers}\images\Close_Hover.png
  • %User Temp%\inH{random numbers}\images\Color_Button.png
  • %User Temp%\inH{random numbers}\images\Color_Button_Hover.png
  • %User Temp%\inH{random numbers}\images\DECLINE_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\DECLINE_updatestartest.png
  • %User Temp%\inH{random numbers}\images\FINISH_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\FINISH_updatestartest.png
  • %User Temp%\inH{random numbers}\images\GENERAL_BG_updatestarframe.png
  • %User Temp%\inH{random numbers}\images\Grey_Button.png
  • %User Temp%\inH{random numbers}\images\Grey_Button_Hover.png
  • %User Temp%\inH{random numbers}\images\Icon_Generic.png
  • %User Temp%\inH{random numbers}\images\INSTALL_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\INSTALL_updatestartest.png
  • %User Temp%\inH{random numbers}\images\Loader.gif
  • %User Temp%\inH{random numbers}\images\NEXT_HOVER_updatestartest.png
  • %User Temp%\inH{random numbers}\images\NEXT_updatestartest.png
  • %User Temp%\inH{random numbers}\images\Pause_Button.png
  • %User Temp%\inH{random numbers}\images\Progress.png
  • %User Temp%\inH{random numbers}\images\ProgressBar.png
  • %User Temp%\inH{random numbers}\images\Quick_Specs.png
  • %User Temp%\inH{random numbers}\images\Resume_Button.png
  • %User Temp%\inH{random numbers}\images\sponsored.png
  • %User Temp%\inH{random numbers}\locale\EN.locale
  • %User Profile%\Downloads\3cdaemon.exe
  • %User Profile%\Downloads\_ISDEL.EXE
  • %User Profile%\Downloads\_INST32I.EX_
  • %User Profile%\Downloads\_setup.dll
  • %User Profile%\Downloads\_sys1.cab
  • %User Profile%\Downloads\_user1.cab
  • %User Profile%\Downloads\DATA.TAG
  • %User Profile%\Downloads\data1.cab
  • %User Profile%\Downloads\lang.dat
  • %User Profile%\Downloads\layout.bin
  • %User Profile%\Downloads\os.dat
  • %User Profile%\Downloads\setup.bmp
  • %User Profile%\Downloads\SETUP.EXE
  • %User Profile%\Downloads\SETUP.INI
  • %User Profile%\Downloads\setup.ins
  • %User Profile%\Downloads\setup.lid

Step 5

Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como PUA.Win32.InstallCore.WFEJKO 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.


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