Adware.Dowgin.2611

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Dowgin.14.origin
Adware.Dowgin.3.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) vi.pi.v####.cn:80
TCP(HTTP/1.1) www.pan####.net:8080
TCP(HTTP/1.1) h####.b####.com:80
TCP(HTTP/1.1) a####.cq####.com:80
TCP(TLS/1.0) 1####.217.20.110:443
TCP(TLS/1.0) i####.tnast####.com:443
TCP(TLS/1.0) tna.traffic####.net:443
TCP(TLS/1.0) and####.cli####.go####.com:443

DNS requests:

a####.cq####.com
and####.cli####.go####.com
h####.b####.com
i####.tnast####.com
i####.tnast####.com
i####.tnast####.com
vi.pi.v####.cn
www.pan####.net
www.tna####.com

HTTP GET requests:

a####.cq####.com/Version/avfunnversion.txt

HTTP POST requests:

h####.b####.com/app.gif
vi.pi.v####.cn/nnufva/6310/p34
vi.pi.v####.cn/nnufva/6310/q34
vi.pi.v####.cn/nnufva/6310/s34
vi.pi.v####.cn/nnufva/6310/t34
vi.pi.v####.cn/nnufva/6310/w34
www.pan####.net:8080/banner/req.action?

Modified file system:

Creates the following files:

/data/data/####/MyPrefsFile.xml
/data/data/####/WORLD_SHARED.xml
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__send_data_1539429064227
/data/data/####/_csavfunn_.xml
/data/data/####/_cscomavfunn_r.xml
/data/data/####/_vsavfunn_.xml
/data/data/####/avfunn.jar
/data/data/####/com.ajqk.lpou.jar
/data/data/####/libcuid.so
/data/data/####/libexec.so
/data/data/####/libexecmain.so
/data/data/####/userinfo.db
/data/data/####/userinfo.db-journal
/data/media/####/-1107996101.tmp
/data/media/####/-1294810202.tmp
/data/media/####/-1302394313.tmp
/data/media/####/-1363117409.tmp
/data/media/####/-164675420.tmp
/data/media/####/-1720825860.tmp
/data/media/####/-174109731.tmp
/data/media/####/-1973673270.tmp
/data/media/####/-2009666482.tmp
/data/media/####/-2017198126.tmp
/data/media/####/-2051132011.tmp
/data/media/####/-2061036909.tmp
/data/media/####/-2122464918.tmp
/data/media/####/-217925610.tmp
/data/media/####/-246433635.tmp
/data/media/####/-473754476.tmp
/data/media/####/-570514267.tmp
/data/media/####/-764811838.tmp
/data/media/####/-841847349.tmp
/data/media/####/-887896591.tmp
/data/media/####/.ban.apk
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.timestamp
/data/media/####/1119184350.tmp
/data/media/####/1157442930.tmp
/data/media/####/1453129990.tmp
/data/media/####/1510143359.tmp
/data/media/####/1581726420.tmp
/data/media/####/1601153586.tmp
/data/media/####/1606207930.tmp
/data/media/####/1674508608.tmp
/data/media/####/16775664.tmp
/data/media/####/170021222.tmp
/data/media/####/1702051324.tmp
/data/media/####/1717698686.tmp
/data/media/####/1869818918.tmp
/data/media/####/1910952334.tmp
/data/media/####/1945149802.tmp
/data/media/####/1953135852.tmp
/data/media/####/198804553.tmp
/data/media/####/2045940641.tmp
/data/media/####/2052345047.tmp
/data/media/####/23303298.tmp
/data/media/####/2358550.tmp
/data/media/####/316044625.tmp
/data/media/####/407972636.tmp
/data/media/####/633946109.tmp
/data/media/####/755693874.tmp
/data/media/####/758406291.tmp
/data/media/####/784096203.tmp

Miscellaneous:

Executes next shell scripts:

getprop ro.product.cpu.abi

Loads the following dynamic libraries:

crash_analysis
ijkffmpeg
ijkplayer
ijksdl
libexec
libexecmain

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
DES

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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