Adware.Gexin.17237

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>

DNS requests:

ebf3ee5####.bug####.com

File system changes:

Creates the following files:

/data/data/####/1565949885156
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/multidex.version.xml

Miscellaneous:

Executes the following shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu.so
logcat -v time -t 500 2150
logcat -v time -t 500 2187
logcat -v time -t 500 2221
logcat -v time -t 500 2265
logcat -v time -t 500 2299
logcat -v time -t 500 2333
logcat -v time -t 500 2378
logcat -v time -t 500 2415
logcat -v time -t 500 2449
logcat -v time -t 500 2494
logcat -v time -t 500 2529
logcat -v time -t 500 2563
logcat -v time -t 500 2608
logcat -v time -t 500 2642
logcat -v time -t 500 2676
logcat -v time -t 500 2721
logcat -v time -t 500 2756
logcat -v time -t 500 2790
logcat -v time -t 500 2834
logcat -v time -t 500 2869
logcat -v time -t 500 2903
logcat -v time -t 500 2948
logcat -v time -t 500 2982
logcat -v time -t 500 3016
logcat -v time -t 500 3061
logcat -v time -t 500 3095
logcat -v time -t 500 3129
logcat -v time -t 500 3173
logcat -v time -t 500 3210
logcat -v time -t 500 3244
logcat -v time -t 500 3287
logcat -v time -t 500 3322
logcat -v time -t 500 3356
logcat -v time -t 500 3401
logcat -v time -t 500 3435
logcat -v time -t 500 3469
logcat -v time -t 500 3512
logcat -v time -t 500 3547
logcat -v time -t 500 3581
logcat -v time -t 500 3626
logcat -v time -t 500 3660
logcat -v time -t 500 3694
logcat -v time -t 500 3738
logcat -v time -t 500 3772
logcat -v time -t 500 3806
logcat -v time -t 500 3850
logcat -v time -t 500 3884
logcat -v time -t 500 3918
logcat -v time -t 500 3963
logcat -v time -t 500 3998
logcat -v time -t 500 4032
logcat -v time -t 500 4066
logcat -v time -t 500 4100
logcat -v time -t 500 4134
logcat -v time -t 500 4179
logcat -v time -t 500 4213
logcat -v time -t 500 4247
logcat -v time -t 500 4292
logcat -v time -t 500 4327
logcat -v time -t 500 4361
logcat -v time -t 500 4438

Loads the following dynamic libraries:

Bugtags
LanSongffmpeg
libjiagu

Uses special library to hide executable bytecode.

Gets information about network.

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

Curing recommendations

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.
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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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

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Download on App Store

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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Download Dr.Web

Download by serial number

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.
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.

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