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Adware.Gexin.12762

Added to the Dr.Web virus database: 2019-04-25

Virus description added:

Technical information

Malicious functions:
Executes code of the following detected threats:
  • Adware.Gexin.2.origin
Network activity:
Connects to:
  • UDP(DNS) <Google DNS>
  • TCP(TLS/1.0) av1.x####.com:443
DNS requests:
  • 7f5e492####.bug####.cn
  • av1.x####.com
  • i.t####.com
File system changes:
Creates the following files:
  • /data/data/####/1556174141850_2295
  • /data/data/####/1556174141897_2295
  • /data/data/####/1556174141982_2295
  • /data/data/####/1556174142929_2346
  • /data/data/####/1556174143000_2346
  • /data/data/####/1556174144036_2395
  • /data/data/####/1556174144133_2395
  • /data/data/####/1556174148323_2458
  • /data/data/####/1556174149460_2507
  • /data/data/####/1556174150868_2555
  • /data/data/####/1556174153369_2613
  • /data/data/####/1556174154547_2661
  • /data/data/####/1556174155570_2709
  • /data/data/####/1556174157806_2769
  • /data/data/####/1556174158803_2817
  • /data/data/####/1556174159846_2865
  • /data/data/####/1556174162318_2924
  • /data/data/####/1556174163444_2972
  • /data/data/####/1556174164706_3020
  • /data/data/####/1556174168767_3078
  • /data/data/####/1556174169946_3127
  • /data/data/####/1556174171017_3175
  • /data/data/####/1556174175292_3233
  • /data/data/####/1556174176350_3281
  • /data/data/####/1556174177486_3329
  • /data/data/####/1556174180352_3387
  • /data/data/####/1556174181373_3435
  • /data/data/####/1556174182463_3483
  • /data/data/####/1556174185512_3541
  • /data/data/####/1556174186505_3589
  • /data/data/####/1556174187531_3638
  • /data/data/####/1556174190776_3697
  • /data/data/####/1556174191844_3745
  • /data/data/####/1556174193097_3795
  • /data/data/####/1556174195230_3852
  • /data/data/####/1556174196316_3898
  • /data/data/####/1556174197430_3944
  • /data/data/####/1556174200397_4003
  • /data/data/####/1556174201592_4051
  • /data/data/####/1556174202602_4097
  • /data/data/####/MultiDex.lock
  • /data/data/####/TD_app_pefercen_profile.xml
  • /data/data/####/TDpref_longtime.xml
  • /data/data/####/TDpref_longtime0.xml
  • /data/data/####/journal.tmp
  • /data/data/####/libjiagu-917064677.so
  • /data/data/####/multidex.version.xml
  • /data/data/####/tdid.xml
  • /data/media/####/.nomedia
  • /data/media/####/.tcookieid
Miscellaneous:
Executes the following shell scripts:
  • getprop
  • logcat -v time -t 500 2295
  • logcat -v time -t 500 2346
  • logcat -v time -t 500 2395
  • logcat -v time -t 500 2458
  • logcat -v time -t 500 2507
  • logcat -v time -t 500 2555
  • logcat -v time -t 500 2613
  • logcat -v time -t 500 2661
  • logcat -v time -t 500 2709
  • logcat -v time -t 500 2769
  • logcat -v time -t 500 2817
  • logcat -v time -t 500 2865
  • logcat -v time -t 500 2924
  • logcat -v time -t 500 2972
  • logcat -v time -t 500 3020
  • logcat -v time -t 500 3078
  • logcat -v time -t 500 3127
  • logcat -v time -t 500 3175
  • logcat -v time -t 500 3233
  • logcat -v time -t 500 3281
  • logcat -v time -t 500 3329
  • logcat -v time -t 500 3387
  • logcat -v time -t 500 3435
  • logcat -v time -t 500 3483
  • logcat -v time -t 500 3541
  • logcat -v time -t 500 3589
  • logcat -v time -t 500 3638
  • logcat -v time -t 500 3697
  • logcat -v time -t 500 3745
  • logcat -v time -t 500 3795
  • logcat -v time -t 500 3852
  • logcat -v time -t 500 3898
  • logcat -v time -t 500 3944
  • logcat -v time -t 500 4003
  • logcat -v time -t 500 4051
  • logcat -v time -t 500 4097
Loads the following dynamic libraries:
  • Bugtags
  • LanSongffmpeg
  • libjiagu-917064677
Uses the following algorithms to encrypt data:
  • DES-CBC-PKCS5Padding
Uses the following algorithms to decrypt data:
  • DES-CBC-PKCS5Padding
Accesses the ITelephony private interface.
Uses special library to hide executable bytecode.
Gets information about location.
Gets information about network.
Gets information about phone status (number, IMEI, etc.).

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
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After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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  1. If the mobile device is operating normally, download and install Dr.Web for Android. 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 for Android 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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