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Android.Hidden.3077

Added to the Dr.Web virus database: 2017-06-30

Virus description added:

Technical information

Malicious functions:
Removes its shortcut from the home screen.
Modified file system:
Creates the following files:
  • <Package Folder>/files/busybox
  • <Package Folder>/files/daemon
  • <Package Folder>/files/scandir
  • <Package Folder>/files/scandir_pie
  • <Package Folder>/files/xtech
  • <Package Folder>/files/xtech_app
  • <Package Folder>/shared_prefs/Setting_Info.xml
  • <Package Folder>/shared_prefs/Setting_Info.xml.bak
Miscellaneous:
Executes next shell scripts:
  • <error:2>
  • <su-internal:request>
  • <su-internal:result>
  • chmod 777 /data/data/com.assistant.system/files/busybox
  • chmod 777 /data/data/com.assistant.system/files/daemon
  • chmod 777 /data/data/com.assistant.system/files/scandir
  • chmod 777 /data/data/com.assistant.system/files/scandir_pie
  • chmod 777 /data/data/com.assistant.system/files/xtech_app
  • chmod 777 <Package Folder>/files/busybox
  • chmod 777 <Package Folder>/files/daemon
  • chmod 777 <Package Folder>/files/scandir
  • chmod 777 <Package Folder>/files/scandir_pie
  • chmod 777 <Package Folder>/files/xtech_app
  • id
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 39 -p1w 44 -p2r 47 -p2w 49
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 39 -p1w 45 -p2r 48 -p2w 50
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 39 -p1w 46 -p2r 48 -p2w 50
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 39 -p1w 53 -p2r 54 -p2w 55
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 40 -p1w 43 -p2r 45 -p2w 46
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 41 -p1w 43 -p2r 46 -p2w 47
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 41 -p1w 44 -p2r 46 -p2w 47
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 44 -p1w 45 -p2r 46 -p2w 47
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 44 -p1w 47 -p2r 49 -p2w 51
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 45 -p1w 46 -p2r 47 -p2w 48
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 45 -p1w 47 -p2r 48 -p2w 49
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 45 -p1w 47 -p2r 49 -p2w 50
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 46 -p1w 47 -p2r 48 -p2w 49
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 46 -p1w 48 -p2r 49 -p2w 50
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 47 -p1w 48 -p2r 49 -p2w 50
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 47 -p1w 49 -p2r 50 -p2w 51
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 48 -p1w 49 -p2r 50 -p2w 51
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 51 -p1w 52 -p2r 53 -p2w 54
  • sh <Package Folder>/files/daemon -p <Package> -s com.android.telephone.system.service.Service2 -p1r 52 -p1w 53 -p2r 54 -p2w 55
  • su -c id
Uses elevated priveleges.

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.

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