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Added to the Dr.Web virus database: 2018-02-07

Virus description added:

SHA1: 6720ae9e5ffac171b4c5106891dcb255a9f7fdc8

The component of the Android.CoinMine.15 worm designed to mine the Monero (XMR) cryptocurrency on an infected Android device. The Trojan is implemented as an sss file, which is saved in the /data/local/tmp/ folder along with the nohup and bot.dat files.

The sss component is launched using the nohup utility as a daemon and goes into standby mode for 10 seconds. It then copies the bot.dat file to the /sdcard/ folder under the name tmpsub. After that, it decrypts a 7-z archive with additional components. The archive is saved to /sdcard/tmpde. The unpacked content is saved to the /data/local/tmp/ folder. After that, the /sdcard/tmpsub and /sdcard/tmpde files are deleted. The unpacked files are listed below:


0755 (rwxr-xr-x) access privileges are installed for all the files. In case the sss running process does not have root privileges, but the “/system/bin/su” or “/system/xbin/su” utilities are located on the computer, the Trojan launches droidbot using su. Otherwise it launches droidbot as it is:

if ( getuid() && (exists("/system/bin/su") || exists("/system/xbin/su")) )
  system("su -c /data/local/tmp/nohup /data/local/tmp/droidbot");
  system("/data/local/tmp/nohup /data/local/tmp/droidbot");
  system("/data/local/tmp/nohup /data/local/tmp/droidbot");

News about the Trojan

Curing recommendations


  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