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Android.Hidden.6286

Added to the Dr.Web virus database: 2018-10-21

Virus description added:

Technical information

Malicious functions:
Sends SMS messages:
  • 13381410321: //sberbank.ru/sms/h1 来自:900
  • 13381410321: <SMS Content> 来自:<SMS Address>
  • 13381410321: VISA1611 Баланс: 1556.24р. Подробности в мобильном приложении http:
  • 13381410321: 型号:<System Property>; 手机:<System Property>; 系统版本:4.3.1 用户选择了激活
  • 13381410321: 软件安装完毕 识别码:<IMEI> 型号:<System Property>; 手机:<System Property>; 系统版本:4.3.1
Removes its shortcut from the home screen.
Intercepts incoming SMS messages and terminates the process of their transmission to handlers of other applications.
Network activity:
Connecting to:
  • UDP(DNS) <Google DNS>
  • TCP(SMTP) s####.163.com:25
DNS requests:
  • s####.163.com
Modified file system:
Creates the following files:
  • /data/data/####/.classes.dex
  • /data/data/####/.kdpdata.so
  • /data/data/####/configurations_data.xml
Miscellaneous:
Loads the following dynamic libraries:
  • kdp
  • libkwscmm
Uses the following algorithms to decrypt data:
  • AES-ECB-PKCS5Padding
  • DES
Uses administrator priveleges.
Uses special library to hide executable bytecode.
Changes volume and vibration settings.
Gains access to telephone information (number, imei, etc.).
Gains access to information about active device administrators.
Displays its own windows over windows of other applications.
Parses information from SMS messages.
Gains access to information about sent/received SMS messages.

Curing recommendations


Android

  1. If the mobile device is operating normally, download and install Dr.Web for Android Light. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web для Android Light onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android

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