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Android.DownLoader.2142

Added to the Dr.Web virus database: 2017-05-09

Virus description added:

Technical information

Malicious functions:
Executes code of the following detected threats:
  • Android.DownLoader.456.origin
  • Android.DownLoader.205.origin
Downloads the following detected threats from the Web:
  • Android.DownLoader.456.origin
  • Android.DownLoader.205.origin
Network activity:
Connecting to:
  • ad####.####.cn
  • k####.####.cn
  • c####.####.net
  • s####.####.cn
  • a####.####.com:38080
  • a####.####.com
HTTP GET requests:
  • ad####.####.cn/sdk/signlib/lib_v1.0.4.zip
  • ad####.####.cn/sdk/hlpt/lib_v1.0.36.zip
  • ad####.####.cn/pangzi/2016/3/4/14570724148315350/01D51DEE6C55E580DBCF27D...
  • ad####.####.cn/sdk/ggpt/service/lib_v3.0.18.zip
HTTP POST requests:
  • a####.####.com/CD382781B46D648D05B8C219784B4DD1
  • c####.####.net/config/update
  • a####.####.com/8018DAF55F3FB325C0EF07F6C62DC787
  • c####.####.net/dc/sync_adr
  • k####.####.cn/FA193DF6DFDF511DCB16AEA4AA91E793
  • s####.####.cn/702619E220213D3BFE64AC4C86FBECF1
  • a####.####.com:38080/70F5024058DC2E24DFD61302050EEED3
  • a####.####.com/30ECC166BD4D761A98AADF5167E0E46E
  • s####.####.cn/70F5024058DC2E24DFD61302050EEED3
  • k####.####.cn/F6EA80A604B90C1AFFF602C719787160
  • k####.####.cn/702619E220213D3BFE64AC4C86FBECF1
  • a####.####.com/70F5024058DC2E24DFD61302050EEED3
  • a####.####.com/app_logs
  • s####.####.cn/F6EA80A604B90C1AFFF602C719787160
  • a####.####.com/F24303512B08C2D0918EAC8F8649AC2C
  • s####.####.cn/FA193DF6DFDF511DCB16AEA4AA91E793
Modified file system:
Creates the following files:
  • /data/data/####/shared_prefs/admainlib.xml
  • /sdcard/sys2/01D51DEE6C55E580DBCF27DB4AF7F02C_41_28.jpg.tmp
  • /data/data/####/databases/bb_new.db-journal
  • /data/data/####/databases/dl_old.db
  • /data/data/####/files/JARD_-576242986.zip
  • /data/data/####/databases/dtad_old.db
  • /data/data/####/databases/dl_old.db-journal
  • /data/data/####/files/JARD_-715821129.zip
  • /data/data/####/shared_prefs/dc.BBF1B3828A8106FDF6F83FFB7EA6FCB0.preferences.xml
  • /data/data/####/shared_prefs/lib_names_new.xml
  • /data/data/####/databases/ab_new.db-journal
  • /data/data/####/shared_prefs/umeng_general_config.xml
  • /data/data/####/files/.umeng/exchangeIdentity.json
  • /sdcard/lysy/images/journal.tmp
  • /data/data/####/files/.imprint
  • /data/data/####/files/JNID_632735223.so
  • /data/data/####/tx_shell/libshella-0.0.2.so
  • /sdcard/.SystemService/BBF1B3828A8106FDF6F83FFB7EA6FCB0/uid
  • /data/data/####/files/JARD_1808590725.zip
  • /data/data/####/shared_prefs/admainlib_new.xml.bak
  • /data/data/####/databases/ab_new.db
  • /sdcard/.SystemService/BBF1B3828A8106FDF6F83FFB7EA6FCB0/.account/2D7F07BB6125DEB407E92A22DC4AC550
  • /data/data/####/databases/bb_new.db
  • /data/data/####/databases/dtad_old.db-journal
  • /data/data/####/databases/dataeye_database_BBF1B3828A8106FDF6F83FFB7EA6FCB0.db-journal
  • /data/data/####/shared_prefs/shared_lib_info_new.xml
  • /data/data/####/shared_prefs/lib_names.xml
  • /data/data/####/files/JNID_1591301928.so
  • /data/data/####/files/umeng_it.cache
  • /data/data/####/files/JARD_1241507723.zip
  • /data/data/####/shared_prefs/admainlib.xml.bak
  • /data/data/####/shared_prefs/admainlib_new.xml
  • /data/data/####/shared_prefs/inslib.xml
  • /sdcard/lysy/prop/config.ini
  • /data/data/####/files/JNID_-721579148.so
  • /data/data/####/databases/dataeye_database_BBF1B3828A8106FDF6F83FFB7EA6FCB0.db
  • /data/data/####/files/JNID_362399865.so
  • /data/data/####/shared_prefs/shared_lib_info.xml
Sets the 'executable' attribute to the following files:
  • /data/data/####/tx_shell/libshella-0.0.2.so
Miscellaneous:
Executes next shell scripts:
  • /system/bin/dexopt --dex 27 65 40 284396 /data/data/####/files/JARD_-576242986.zip 1199862728 -578898658 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /sy
  • chmod 700 /data/data/####/tx_shell/libshella-0.0.2.so
  • getprop ro.build.version.release
  • getprop ro.build.version.sdk
  • ls -l /vendor/bin/su
  • /system/bin/sh
  • /system/bin/dexopt --dex 27 46 40 284440 /data/data/####/files/JARD_1808590725.zip 1198820292 -6907021 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /syst
  • /system/bin/dexopt --dex 27 55 40 175168 /data/data/####/files/JARD_1241507723.zip 1198357444 1555969659 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /sy
  • ls -l /system/sbin/su
  • ls -l /sbin/su
  • ls -l /system/xbin/su
  • ls -l /system/bin/su
  • /system/bin/dexopt --dex 27 66 40 251488 /data/data/####/files/JARD_-715821129.zip 1225822252 -1816468986 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /s
Uses special library to hide executable bytecode.
Contains functionality to send SMS messages automatically.

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.

Find out more about Dr.Web for Android