Adware.Gexin.11830

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.3.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ser####.dc####.net.cn:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) 1####.114.78.197:8060
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) www.88c####.com:80
TCP(TLS/1.0) ser####.dc####.net.cn:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

c####.g####.ig####.com
c-h####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ser####.dc####.net.cn
st####.dc####.net.cn
www.88c####.com

HTTP GET requests:

1####.114.78.197:8060/Service.asmx/bbh
1####.114.78.197:8060/Service.asmx/xsflagbd
ti####.c####.l####.####.com/config/hz-hzv3.conf
www.88c####.com/images/1.png

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
ser####.dc####.net.cn/device/location

File system changes:

Creates the following files:

/data/data/####/.imei.txt
/data/data/####/.jg.ic
/data/data/####/1.png
/data/data/####/11.png
/data/data/####/2.png
/data/data/####/3.png
/data/data/####/4.png
/data/data/####/5.png
/data/data/####/FontAwesome.otf
/data/data/####/H5DE39E18.xml
/data/data/####/H5DE39E18_storages.xml
/data/data/####/MES.html
/data/data/####/MES_H.html
/data/data/####/MultiDex.lock
/data/data/####/README.md
/data/data/####/_adio.dcloud.feature.ad.a.a.xml
/data/data/####/about.html
/data/data/####/afp.html
/data/data/####/afp2.html
/data/data/####/ajax-loader.gif
/data/data/####/app.js
/data/data/####/apple.js
/data/data/####/ban1.jpg
/data/data/####/ban2.jpg
/data/data/####/ban3.jpg
/data/data/####/ban4.jpg
/data/data/####/bg.gif
/data/data/####/bg1.gif
/data/data/####/bootstrap-3.3.4.css
/data/data/####/bootstrap.min.js
/data/data/####/bvd.css
/data/data/####/bvd.js
/data/data/####/bvd2.css
/data/data/####/bvd2.js
/data/data/####/bvd3.js
/data/data/####/bvd4.js
/data/data/####/center.html
/data/data/####/center2.html
/data/data/####/center3.html
/data/data/####/cktz.html
/data/data/####/clientid_igexin.xml
/data/data/####/common.css
/data/data/####/common.js
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/dc_ad_type_key.xml
/data/data/####/demo_videoPlaySimple.css
/data/data/####/demo_videoPlaySimple.js
/data/data/####/die.css
/data/data/####/down.png
/data/data/####/easemob.im-1.0.5.js
/data/data/####/eje3cnc
/data/data/####/error.jpg
/data/data/####/error.png
/data/data/####/exam.html
/data/data/####/examall.html
/data/data/####/examd.html
/data/data/####/examdh.html
/data/data/####/examh.html
/data/data/####/exammy.html
/data/data/####/exammy2.html
/data/data/####/exammyh.html
/data/data/####/feedback-page.css
/data/data/####/feedback-page.js
/data/data/####/feedback.js
/data/data/####/flash.png
/data/data/####/flutter-hearts-zmt.js
/data/data/####/fontawesome-webfont.eot
/data/data/####/fontawesome-webfont.svg
/data/data/####/fontawesome-webfont.ttf
/data/data/####/fontawesome-webfont.woff
/data/data/####/fontawesome-webfont.woff2
/data/data/####/full.png
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/glyphicons-halflings-regular.eot
/data/data/####/glyphicons-halflings-regular.svg
/data/data/####/glyphicons-halflings-regular.ttf
/data/data/####/glyphicons-halflings-regular.woff
/data/data/####/glyphicons-halflings-regular.woff2
/data/data/####/good1.png
/data/data/####/good3.png
/data/data/####/good4.png
/data/data/####/good9.png
/data/data/####/gx_sp.xml
/data/data/####/heng.png
/data/data/####/hls.min.js
/data/data/####/html5Geo.xml
/data/data/####/html5video.js
/data/data/####/icomoon.eot
/data/data/####/icomoon.svg
/data/data/####/icomoon.ttf
/data/data/####/icomoon.woff
/data/data/####/icon-chatcb7983.png
/data/data/####/icon-gift65fc33.png
/data/data/####/icon-share67e283.png
/data/data/####/iconfont-tianjia.png
/data/data/####/iconfont.css
/data/data/####/iconfont.ttf
/data/data/####/index
/data/data/####/index.css
/data/data/####/index.html
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jquery-1.11.1.js
/data/data/####/jquery-1.7.2.min.js
/data/data/####/jquery.min.js
/data/data/####/json2.js
/data/data/####/kjs.html
/data/data/####/libjiagu-1430496931.so
/data/data/####/list-to-detail.css
/data/data/####/listen.html
/data/data/####/lmain.html
/data/data/####/lock.png
/data/data/####/login.html
/data/data/####/login2.html
/data/data/####/logo.png
/data/data/####/main.html
/data/data/####/manifest.json
/data/data/####/more.html
/data/data/####/mui.enterfocus.js
/data/data/####/mui.js
/data/data/####/mui.locker.js
/data/data/####/mui.min.css
/data/data/####/mui.min.js
/data/data/####/mui.previewimage.js
/data/data/####/mui.ttf
/data/data/####/mui.view.js
/data/data/####/mui.zoom.js
/data/data/####/multidex.version.xml
/data/data/####/noonline.png
/data/data/####/onlin.html
/data/data/####/online.html
/data/data/####/online2.html
/data/data/####/online3.html
/data/data/####/onlinepre.html
/data/data/####/onlinepre2.html
/data/data/####/onlinesj.html
/data/data/####/onlinesj2.html
/data/data/####/pause.png
/data/data/####/pconline.html
/data/data/####/pcsub.html
/data/data/####/pdr.xml
/data/data/####/play.html
/data/data/####/play.png
/data/data/####/play2.png
/data/data/####/playios.html
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo.png
/data/data/####/qq.png
/data/data/####/quickstart.md
/data/data/####/record.html
/data/data/####/reg.html
/data/data/####/reg2.html
/data/data/####/reward.png
/data/data/####/run.pid
/data/data/####/scan.html
/data/data/####/setting.html
/data/data/####/shu.png
/data/data/####/sinaweibo.png
/data/data/####/start_statistics_data.xml
/data/data/####/stream_permission.xml
/data/data/####/strophe-custom-2.0.0.js
/data/data/####/style.css
/data/data/####/sub1.html
/data/data/####/sub1_c.html
/data/data/####/sub2.html
/data/data/####/sub2_c.html
/data/data/####/test_app
/data/data/####/text.js
/data/data/####/tiao.js
/data/data/####/tiaod.js
/data/data/####/tiaomy.js
/data/data/####/tsonline.html
/data/data/####/user-photo.png
/data/data/####/video.css
/data/data/####/video_videoplayer_ht.html
/data/data/####/video_videoplayer_sub.html
/data/data/####/video_videoplayer_sub2.html
/data/data/####/video_videoplayer_sub3.html
/data/data/####/video_videoplayer_sub4.html
/data/data/####/video_videoplayer_sub5.html
/data/data/####/video_videoplayer_subcs.html
/data/data/####/vue.min.js
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/weixin.png
/data/data/####/zblist.html
/data/data/####/zepto.min.js
/data/media/####/.imei.txt
/data/media/####/AdEnable.dat
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/io.dcloud.H5DE39E18.bin
/data/media/####/io.dcloud.H5DE39E18.db
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/io.dcloud.feature.apsGt.GTNormalPushService 24487 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/io.dcloud.feature.apsGt.GTNormalPushService 24487 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu-1430496931

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding

Uses special library to hide executable bytecode.

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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