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アンチウイルスに関する誤解と噂

アンチウイルスに関する誤解

ニュース

Android.Packed.36697

Added to the Dr.Web virus database: 2018-03-30

Virus description added: 2018-03-30

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.DownLoader.657.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) cdn.app.dn####.####.com:80
TCP(HTTP/1.1) 47.92.1####.96:80
TCP(HTTP/1.1) d14uy7w####.cloudf####.net:80
TCP(HTTP/1.1) app.mig.tencent####.net:80
TCP(HTTP/1.1) 1####.76.224.67:80
TCP(HTTP/1.1) cdn.game####.org:80
TCP(TLS/1.0) v####.dn####.top:443

DNS requests:

cdn.app.dn####.top
cdn.app.h####.top
cdn.game####.org
cdn.img.h####.top
d14uy7w####.cloudf####.net
mw.a####.qq.com
v####.dn####.top

HTTP GET requests:

cdn.app.dn####.####.com/sfile/201803/30/all/cp_V3.1.2.txt
cdn.app.dn####.####.com/upload/201803/30/app/20180330175028917.apk
cdn.app.dn####.####.com/upload/201803/30/img/20180330175025341.png
cdn.game####.org/strategy/base
cdn.game####.org/strategy/dev_root2
cdn.game####.org/strategy/larger4.3
cdn.game####.org/strategy/loss_4.3
cdn.game####.org/strategy/sul18
d14uy7w####.cloudf####.net/download/key

HTTP POST requests:

app.mig.tencent####.net/activateApp_enc

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1740c449fc10be62df60ba0f18696c9f
/data/data/####/25f07e24-6f5f-433e-9725-f1cffd5d0351
/data/data/####/32edd79a240b5f1e461d069caab1ec3e
/data/data/####/4d56d9a9-616c-4bcb-ad5e-28067a52c3c0
/data/data/####/5d81b111-d1b1-48d3-bbbc-60d4abdb1df4.jar
/data/data/####/7883a2ad-ad8a-44f3-91aa-7f52cc445cbb
/data/data/####/79dbbd57-f97d-4bf7-9b64-50e58f6e193e
/data/data/####/Matrix
/data/data/####/SUBOXLOG_
/data/data/####/V3.1.2.txt
/data/data/####/V3.1.2.xml
/data/data/####/b0141e478b25af7c40a8cca8de6c4708
/data/data/####/ddexe
/data/data/####/debuggerd
/data/data/####/device.db
/data/data/####/dk.jar
/data/data/####/ec799905-4843-46ff-98f0-8d7439666155
/data/data/####/f29c7b13-e533-4136-8c88-bfeae49a03ee
/data/data/####/fileWork
/data/data/####/inittime.xml
/data/data/####/install-recovery.sh
/data/data/####/kr.xml
/data/data/####/libjiagu.so
/data/data/####/mobwin.xml
/data/data/####/mv.jar
/data/data/####/pidof
/data/data/####/root3
/data/data/####/su
/data/data/####/supolicy
/data/data/####/t_u.db-journal
/data/data/####/toolbox
/data/data/####/vbz.xml
/data/data/####/wsroot.sh
/data/media/####/30cadde9de572
/data/media/####/7530c8d5d2345d7e7462d8ffe75385ca.apk
/data/media/####/b.tmp

Miscellaneous:

Executes next shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu.so
chmod 777 /storage/emulated/0/Android/data/<Package>/files/Download/Android/azb/7530c8d5d2345d7e7462d8ffe75385ca.apk
chmod 777 Matrix ddexe debuggerd device.db fileWork install-recovery.sh pidof root3 su supolicy toolbox wsroot.sh
chmod 777 Matrix ddexe debuggerd fileWork install-recovery.sh pidof su supolicy toolbox wsroot.sh
ip addr show dummy0
ip addr show ifb0
ip addr show rmnet0
ip addr show usb0
sh

Loads the following dynamic libraries:

libjiagu

Uses the following algorithms to decrypt data:

DES

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Gains access to information about running applications.

Displays its own windows over windows of other applications.

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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