Adware.Gexin.2424

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) ac####.l####.uc####.####.cn:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(TLS/1.0) h####.b####.com:443

DNS requests:

a####.exc.mob.com
ac####.l####.uc####.####.cn
h####.b####.com
l####.tbs.qq.com

HTTP POST requests:

a####.exc.mob.com/errconf
ac####.l####.uc####.####.cn/get_device_info
l####.tbs.qq.com/ajax?c=####&k=####

Modified file system:

Creates the following files:

/data/data/####/.duid
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/MultiDex.lock
/data/data/####/ThrowalbeLog.db-journal
/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_1536659517976
/data/data/####/core_info
/data/data/####/db_ddbb_2-journal
/data/data/####/libcuid.so
/data/data/####/libjiagu1029644748.so
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/ucloud_device_adapter.xml
/data/data/####/whrjwh.xml
/data/data/####/whrjwh.xml.bak
/data/media/####/.artc_lock
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/.timestamp
/data/media/####/back.png
/data/media/####/backMusic.mp3
/data/media/####/backMusicq.mp3
/data/media/####/banner1.png
/data/media/####/banner2.png
/data/media/####/banner3.png
/data/media/####/barBg.png
/data/media/####/bg.jpg
/data/media/####/bmFont.fnt
/data/media/####/bmFont.png
/data/media/####/bottom.png
/data/media/####/button.mp3
/data/media/####/buy.png
/data/media/####/buyEnter.mp3
/data/media/####/buyIcon.png
/data/media/####/cancel.png
/data/media/####/chacha.png
/data/media/####/chacha2.png
/data/media/####/checked.png
/data/media/####/confirm.png
/data/media/####/count.fnt
/data/media/####/count.png
/data/media/####/darkStar.png
/data/media/####/default.res.json
/data/media/####/description.json
/data/media/####/detailedInfo1.png
/data/media/####/detailedInfo2.png
/data/media/####/detailedInfo3.png
/data/media/####/detailedInfoButton.png
/data/media/####/dingdongCar_ske.json
/data/media/####/dingdongCar_tex.json
/data/media/####/dingdongCar_tex.png
/data/media/####/dingdong_ske.json
/data/media/####/dingdong_tex.json
/data/media/####/dingdong_tex.png
/data/media/####/dragonBones.min.js
/data/media/####/egret.min.js
/data/media/####/egret.web.min.js
/data/media/####/egret_icon.png
/data/media/####/enterButton1.png
/data/media/####/enterButton2.png
/data/media/####/enterGame.mp3
/data/media/####/erWeiMa.png
/data/media/####/eui.min.js
/data/media/####/experimental.min.js
/data/media/####/flag.mp3
/data/media/####/flag.png
/data/media/####/flagCount.fnt
/data/media/####/flagCount.png
/data/media/####/fontLoading.fnt
/data/media/####/fontLoading.png
/data/media/####/fontsRed.fnt
/data/media/####/fontsRed.png
/data/media/####/food0.png
/data/media/####/food1.png
/data/media/####/food10.png
/data/media/####/food11.png
/data/media/####/food12.png
/data/media/####/food13.png
/data/media/####/food14.png
/data/media/####/food15.png
/data/media/####/food16.png
/data/media/####/food17.png
/data/media/####/food18.png
/data/media/####/food19.png
/data/media/####/food2.png
/data/media/####/food20.png
/data/media/####/food3.png
/data/media/####/food4.png
/data/media/####/food5.png
/data/media/####/food6.png
/data/media/####/food7.png
/data/media/####/food8.png
/data/media/####/food9.png
/data/media/####/game.min.js
/data/media/####/go.mp3
/data/media/####/goldIcon.png
/data/media/####/hand.png
/data/media/####/handClic.png
/data/media/####/index.html
/data/media/####/info.png
/data/media/####/infoWord.png
/data/media/####/jifen.png
/data/media/####/jifen2.png
/data/media/####/kown.png
/data/media/####/loadingBack.png
/data/media/####/loadingBar_Bg.png
/data/media/####/loadingBar_Fg.png
/data/media/####/loadingBg.png
/data/media/####/loadingCloud.png
/data/media/####/loseWord.mp3
/data/media/####/lv1.png
/data/media/####/lv10.png
/data/media/####/lv11.png
/data/media/####/lv2.png
/data/media/####/lv3.png
/data/media/####/lv4.png
/data/media/####/lv5.png
/data/media/####/lv6.png
/data/media/####/lv7.png
/data/media/####/lv8.png
/data/media/####/lv9.png
/data/media/####/magic.mp3
/data/media/####/magicBall.png
/data/media/####/main.min.js
/data/media/####/manifest.json
/data/media/####/map.res.json
/data/media/####/nextButton.png
/data/media/####/nextTimeGo.mp3
/data/media/####/p3.gif
/data/media/####/paid.png
/data/media/####/panelBg.png
/data/media/####/payEnter.png
/data/media/####/pet_ske.json
/data/media/####/pet_tex.json
/data/media/####/pet_tex.png
/data/media/####/popBg.png
/data/media/####/res.min.js
/data/media/####/rightStar.png
/data/media/####/sceneBack.png
/data/media/####/sceneBack1.png
/data/media/####/sceneBack2.png
/data/media/####/sceneBack3.png
/data/media/####/star.mp3
/data/media/####/startButton.png
/data/media/####/startWord1.mp3
/data/media/####/startWord2.mp3
/data/media/####/top.png
/data/media/####/tween.min.js
/data/media/####/unchecked.png
/data/media/####/winWord.mp3
/data/media/####/word0.mp3
/data/media/####/word1.mp3
/data/media/####/word2.mp3
/data/media/####/word3.mp3

Miscellaneous:

Executes next shell scripts:

cat /sys/class/net/wlan0/address
chmod 755 <Package Folder>/.jiagu/libjiagu1029644748.so
getprop ro.product.cpu.abi

Loads the following dynamic libraries:

crash_analysis
libjiagu1029644748

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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