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Android.Packed.43581

Added to the Dr.Web virus database: 2019-03-20

Virus description added: 2019-03-20

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.DownLoader.455.origin
Android.DownLoader.675.origin
Android.DownLoader.698.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) t####.dmp.y####.net:80
TCP(HTTP/1.1) s.y####.net:80
TCP sp2.zxl####.com:9803
TCP p1.zxl####.com:9702
TCP p1.zxl####.com:9802
TCP p1.zxl####.com:9703
TCP p1.zxl####.com:9801
TCP p1.zxl####.com:9701

DNS requests:

aos.gw.y####.net
b1.zxl####.com
c####.shun####.com
p1.zxl####.com
p2.zxl####.com
p3.zxl####.com
r.y####.net
s####.gw.y####.net
s.y####.net
sp1.zxl####.com
sp2.zxl####.com
sp3.zxl####.com
t####.dmp.y####.net

HTTP GET requests:

s.y####.net/aos/v3/pns?s=####
s.y####.net/spot/aos/v2/reqf?s=####
s.y####.net/stat/aos/v3/init?s=####
s.y####.net/stat/aos/v3/pkc?s=####
s.y####.net/stat/aos/v3/pku?s=####

HTTP POST requests:

t####.dmp.y####.net/v1/android/packages?rt=####&sign=####

File system changes:

Creates the following files:

/data/data/####/1553100122270b.jar
/data/data/####/1553100122578sp.jar
/data/data/####/1553100122765p.jar
/data/data/####/63ef352508ecec0c09c4df082253348d
/data/data/####/63ef352508ecec0c09c4df082253348d-journal
/data/data/####/CE94557724F842149D690D0E8CBB1CBD.xml
/data/data/####/P15pKIjsm64m
/data/data/####/P15pKIjsm64m-journal
/data/data/####/T1oX0rhhuXWt
/data/data/####/T1oX0rhhuXWt-journal
/data/data/####/X312dfyfa
/data/data/####/X312zobwwc
/data/data/####/X312zobwwctest.zip
/data/data/####/XKwVoK0huy3R
/data/data/####/XKwVoK0huy3R-journal
/data/data/####/e863870d17b93b93fe830db26b38de7e
/data/data/####/e863870d17b93b93fe830db26b38de7e-journal
/data/data/####/fbappInfo_pre.xml
/data/data/####/fbconf_pre.xml
/data/data/####/fconf_pre.xml
/data/data/####/fp_download.db-journal
/data/data/####/fs_download.db-journal
/data/data/####/fsappInfo_pre.xml
/data/data/####/fsconf_pre.xml
/data/data/####/fsconf_pre.xml.bak
/data/data/####/fstrategy_pre.xml
/data/data/####/jqIqJYOT3JpT
/data/data/####/jqIqJYOT3JpT-journal
/data/data/####/lock.db
/data/data/####/lock.db-journal
/data/data/####/tX312zobwwctest.zip
/data/data/####/wIU6pTyUBYWX
/data/data/####/wIU6pTyUBYWX-journal
/data/data/####/wsUL1uCdKvjD
/data/data/####/wsUL1uCdKvjD-journal
/data/data/####/zckit.xml
/data/data/####/zcssp.xml
/data/media/####/i42d45df023jnkdd93la483f9xGFKXI
/data/media/####/s92TjjdfoP2n3o9dfji2l9s1olkjf0p

Miscellaneous:

Loads the following dynamic libraries:

X312dfyfa

Uses the following algorithms to encrypt data:

PBEWITHMD5andDES
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

PBEWITHMD5andDES

Gets information about location.

Gets information about network.

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

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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.

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