Análisis realizado por : John Anthony Banes   
 Plataforma:

Windows

 Riesgo general:
 Potencial de destrucción:
 Potencial de distribución:
 Infección divulgada:
 Revelación de la información:
Bajo
Medio
High
Crítico

  • Tipo de malware
    Adware

  • Destructivo?
    No

  • Cifrado
     

  • In the Wild:
    Sí

  Resumen y descripción

Puede haberlo instalado manualmente un usuario.

  Detalles técnicos

Tamaño del archivo 2,465,301 bytes
Tipo de archivo EXE
Fecha de recepción de las muestras iniciales 17 Dec 2018

Detalles de entrada

Puede haberlo instalado manualmente un usuario.

Instalación

Agrega las carpetas siguientes:

  • %Program Files%\EZ YouTube Video Downloader
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\chrome\content
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\chrome\skin
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\defaults
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\defaults\preferences
  • %Program Files%\Security Updates Service
  • %User Temp%\ns{random}.tmp

(Nota: %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).

. %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000, XP y Server 2003 suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp).

)

Infiltra los archivos siguientes:

  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\chrome.manifest
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\chrome\content\main.js
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\chrome\content\main.xul
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\chrome\skin\icon48.png
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\defaults\preferences\prefs.js
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\install.rdf
  • %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}\yvd.xpi.7z
  • %Program Files%\EZ YouTube Video Downloader\install.ico
  • %Program Files%\EZ YouTube Video Downloader\uninstall.exe
  • %Program Files%\EZ YouTube Video Downloader\yvd.dll
  • %Program Files%\Security Updates Service\search_checker.exe
  • %Program Files%\Security Updates Service\winupdsvc.exe
  • %User Temp%\jsonparser.dll
  • %User Temp%\ns{random}.tmp
  • %User Temp%\ns{random}.tmp\inetc.dll
  • %User Temp%\ns{random}.tmp\LogEx.dll
  • %User Temp%\ns{random}.tmp\modern-wizard.bmp
  • %User Temp%\ns{random}.tmp\ns{random}.tmp
  • %User Temp%\ns{random}.tmp\nsDialogs.dll
  • %User Temp%\ns{random}.tmp\nsExec.dll
  • %User Temp%\ns{random}.tmp\nsis7z.dll
  • %User Temp%\ns{random}.tmp\nsProcess.dll
  • %User Temp%\ns{random}.tmp\System.dll
  • %User Temp%\ns{random}.tmp\UAC.dll
  • %User Temp%\ns{random}.tmp\version.dll
  • %User Temp%\PrefJsonCpp.exe
  • %User Temp%\sqlite3.exe
  • %User Temp%\ytvd.json
  • %User Temp%\ytvd.json_backup
  • %User Temp%\ytvd_install.log

(Nota: %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).

. %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000, XP y Server 2003 suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp).

)

Otras modificaciones del sistema

Agrega las siguientes entradas de registro como parte de la rutina de instalación:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{fdbfea30-ec51-4b8d-b4f0-8ca4f7253c0a}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{FDBFEA30-EC51-4B8D-B4F0-8CA4F7253C0A}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{FDBFEA30-EC51-4B8D-B4F0-8CA4F7253C0A}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\EZ YouTube Video Downloader

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{FDBFEA30-EC51-4B8D-B4F0-8CA4F7253C0A}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
Ext

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
EZ YouTube Video Downloader

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService

HKEY_USERS\.DEFAULT\Software\
Microsoft\Windows\CurrentVersion\
Ext\Settings\{fdbfea30-ec51-4b8d-b4f0-8ca4f7253c0a}

HKEY_USERS\{SID}\Software\
Microsoft\Windows\CurrentVersion\
Ext\Settings\{fdbfea30-ec51-4b8d-b4f0-8ca4f7253c0a}

Agrega las siguientes entradas de registro:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{fdbfea30-ec51-4b8d-b4f0-8ca4f7253c0a}
Flags = 1024

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{FDBFEA30-EC51-4B8D-B4F0-8CA4F7253C0A}
(Default) = EZ YouTube Video Downloader {version}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{FDBFEA30-EC51-4B8D-B4F0-8CA4F7253C0A}\InprocServer32
(Default) = %Program Files%\EZYOUT~1\yvd.dll

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{FDBFEA30-EC51-4B8D-B4F0-8CA4F7253C0A}\InprocServer32
ThreadingModel = Apartment

HKEY_LOCAL_MACHINE\SOFTWARE\EZ YouTube Video Downloader
loc_inst_chr_ext = ""

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{FDBFEA30-EC51-4B8D-B4F0-8CA4F7253C0A}
NoExplorer = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
Ext
IgnoreFrameApprovalCheck = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
EZ YouTube Video Downloader
DisplayIcon = %Program Files%\EZ YouTube Video Downloader\install.ico

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
EZ YouTube Video Downloader
DisplayName = EZ YouTube Video Downloader

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
EZ YouTube Video Downloader
DisplayVersion = {version}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
EZ YouTube Video Downloader
Publisher = XtensionPlus

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
EZ YouTube Video Downloader
UninstallString = %Program Files%\EZ YouTube Video Downloader\uninstall.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
EZ YouTube Video Downloader
URLInfoAbout = http://{BLOCKED}o.tv/

HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\
Firefox\Extensions
{8167E8F2-A770-4EFB-BA53-8A511051CD9B} = %Program Files%\EZ YouTube Video Downloader\{8167E8F2-A770-4EFB-BA53-8A511051CD9B}

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
chrome_se_last_update = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
chrome_se_next_update = 1

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
chrome_tab_last_update = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
distributor_id = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
firefox_se_last_update = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
firefox_se_next_update = 1

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
firefox_tab_last_update = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
first_run = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
ie_se_last_update = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
ie_se_next_update = 1

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
ie_tab_last_update = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
last_build_check = 0

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
name = Security Updates Service

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
next_build_check = 1

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
tmp = C:\Users\DYITUS~1\AppData\Local\Temp\

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
url = http://{BLOCKED}o.tv/youtubedownloader/update.jsp

HKEY_LOCAL_MACHINE\SOFTWARE\SecurityUpdatesService
version = 1.2.1

HKEY_USERS\.DEFAULT\Software\
Microsoft\Windows\CurrentVersion\
Ext\Settings\{fdbfea30-ec51-4b8d-b4f0-8ca4f7253c0a}
Flags = 1024

HKEY_USERS\{SID}\Software\
Microsoft\Windows\CurrentVersion\
Ext\Settings\{fdbfea30-ec51-4b8d-b4f0-8ca4f7253c0a}
Flags = 1024