Android.Locker.8446

Malicious functions:

Threat detection based on machine learning.

Contains typical locker code.

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) 2####.85.233.138:443
TCP(TLS/1.0) l####.tbs.qq.com:443
TCP(TLS/1.0) 1####.217.20.106:443
TCP(TLS/1.2) 64.2####.164.94:443
TCP(TLS/1.2) 1####.217.20.106:443

DNS requests:

File system changes:

Creates the following files:

Miscellaneous:

Executes the following shell scripts:

/system/bin/dex2oat --instruction-set=x86 --dex-file=<Package Folder>/.jiagu/classes.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes2.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
getprop ro.product.cpu.abi

Uses the following algorithms to encrypt data:

Uses the following algorithms to decrypt data:

Uses special library to hide executable bytecode.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Displays its own windows over windows of other apps.

Android

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.
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.