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Android.Packed.21266

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

Virus description added: 2017-05-09

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Triada.91
Android.Triada.38
Android.Triada.225.origin
Android.Triada.5.origin

Network activity:

Connecting to:

k####.####.com
p####.####.com:8080
i####.####.com:10083
p####.####.com
i####.####.com

HTTP GET requests:

k####.####.com/download/opbmd/CleanMaster_3004.md
k####.####.com/download/opbmd/Alarmclock_1002.md
k####.####.com/download/opbmd/DnwInfo_1000.md
k####.####.com/download/opbmd/Idleinfo_6005.md
k####.####.com/download/opbmd/XXBUpdate_1003.md

HTTP POST requests:

p####.####.com/opnixi/crashexp
i####.####.com:10083/idlectrl/main
p####.####.com:8080/opnixi/logic
i####.####.com/idlectrl/main

Modified file system:

Creates the following files:

/data/data/####/files/DnwInfo_1000.md.tmp
/data/data/####/files/bt_mark_recover.db
/data/data/####/files/net.danbock.instantradarna.apk
/data/data/####/files/OPBKEY_d672e43bb0e29b4744b9d7ab6884a494a82c
/data/data/####/files/CleanMaster_3004.jar
/data/data/####/files/DnwInfo_1000_release.mark
/data/data/####/files/com.android.ct.core.mediainfomarks_1493731183457.db
/data/data/####/files/XXBUpdate_1003.md.tmp
/data/data/####/files/Alarmclock_1002_opbRelease.db
/data/data/####/files/Idleinfo_6005.md.tmp
/data/data/####/files/com.sms.server.socialgraphop.db
/data/data/####/files/XXBUpdate_1003_release.mark
/data/data/####/files/Alarmclock_1002.jar
/data/data/####/files/art
/data/data/####/files/CleanMaster_3004.md.tmp
/data/data/####/files/net.danbock.instantradarna_1493731174919.db
/sdcard/.OPAndroid/com.sms.server.socialgraphop.db
/data/data/####/files/Idleinfo_6005/common.db
/data/data/####/files/Idleinfo_6005.jar
/data/data/####/files/com.android.ct.core.mediainfomarks_1493731183487.db
/data/data/####/files/phone.db
/data/data/####/files/Alarmclock_1002.md.tmp
/data/data/####/files/XXBUpdate_1003_opbRelease.db
/data/data/####/files/XXBUpdate_1003.md
/data/data/####/files/DnwInfo_1000.jar
/data/data/####/files/XXBUpdate_1003.jar
/data/data/####/files/Meidaplayermarks.apk
/data/data/####/files/timeStampMask.db
/data/data/####/files/Alarmclock_1002_release.mark

Miscellaneous:

Executes next shell scripts:

configopb ebf05813c1
/system/bin/dexopt --dex 27 47 40 48636 /data/data/####/files/XXBUpdate_1003.jar 1234537721 -243530329 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /system/framewo
cufsdosck ac554db364f
/system/bin/dexopt --dex 27 56 40 95912 /data/data/####/files/Idleinfo_6005.jar 1234394215 -166196305 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /system/framewor
chmod 777 /data/system/packages.xml
conbb od2gf04pd9
/system/bin/dexopt --dex 27 51 40 78096 /data/data/####/files/CleanMaster_3004.jar 1222333865 953789026 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /system/framew
chmod 777 /data/data/####/files/art
/system/bin/dexopt --dex 27 45 40 40036 /data/data/####/files/DnwInfo_1000.jar 1226212801 -854782524 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /system/framework
cufsmgr eb47495f7bb
/system/bin/dexopt --dex 27 55 40 48396 /data/data/####/files/Alarmclock_1002.jar 1234536531 -605790553 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /system/framew

Contains functionality to send SMS messages automatically.

Curing recommendations

Android

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.
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

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