Adware.Gexin.23617

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin
Tool.SilentInstaller.7.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) 1####.29.29.29:80
TCP(HTTP/1.1) ky.5####.com:80
TCP(TLS/1.0) wis.ru####.com.cn:443
TCP(TLS/1.0) sh####.lc-cn-n####.com:443
TCP(TLS/1.0) www.speed####.net:443
TCP(TLS/1.0) 2####.239.32.223:443
TCP(TLS/1.0) y####.al####.org.####.com:443
TCP(TLS/1.0) api-####.2####.com:443
TCP(TLS/1.0) h-adash####.ut.ta####.com:443
TCP(TLS/1.0) 1####.217.21.170:443
TCP(TLS/1.0) ux.2####.com:443
TCP(TLS/1.0) nbsdk-b####.al####.com:443
TCP(TLS/1.0) zb-cent####.m.ta####.com:443
TCP(TLS/1.0) rr9---s####.g####.com:443
TCP(TLS/1.0) gmscomp####.google####.com:443
TCP(TLS/1.0) def####.duals####.cn.####.com:443
TCP(TLS/1.0) 74.1####.163.88:443
TCP(TLS/1.0) 2####.239.36.223:443
TCP(TLS/1.2) 1####.250.74.46:443
TCP(TLS/1.2) 1####.250.74.68:443
TCP(TLS/1.2) 1####.217.21.170:443
TCP(TLS/1.2) gmscomp####.google####.com:443
TCP(TLS/1.2) 74.1####.163.88:443
TCP(TLS/1.2) 1####.250.74.174:443
TCP(TLS/1.2) 1####.250.74.106:443
UDP 1####.0.8.1:137
TCP sh####.lc-cn-n####.com:443
UDP 2####.239.32.223:443

DNS requests:

acs4bai####.m.ta####.com
adas####.ut.ta####.com
api-####.2####.com
app-ro####.leanc####.cn
das-tc-####.r####.com
gmscomp####.google####.com
ky.5####.com
l####.tbs.qq.com
libra####.com####.ru
log.u####.com
m####.alibaba####.com
mo####.speed####.rt.ru
nbsdk-b####.al####.com
o5wp####.s####.l####.net
rr9---s####.g####.com
sh####.lc-cn-n####.com
smart####.ex####.ott4c####.com
smart####.ex####.ott4c####.com:9102
speed####.a####.ru
speed####.msk.ertel####.ru
speedte####.meg####.ru
ux.2####.com
wis.ru####.com.cn
www.speed####.net
y####.al####.org

HTTP GET requests:

def####.duals####.cn.####.com:443/bar/get/58c7c415a325113ac90005b0/?pcv=...
h-adash####.ut.ta####.com:443/rest/gc2?ak=####&av=####&c=####&d=####&sv=...
ky.5####.com/system/switch?pkg=####&ver=####&grp=####
nbsdk-b####.al####.com:443/1.1.0.0/linkout.htm?appKey=####
nbsdk-b####.al####.com:443/3.1.1.219/26004007/1.0.0/meta.htm?plat=####
www.speed####.net:443/speedtest-config.php
zb-cent####.m.ta####.com:443//gw-open/mtop.taobao.tbk.sdk.config/1.0/?da...

HTTP POST requests:

api-####.2####.com:443/openapi/gbcs/new/updateResource.do
ky.5####.com/active/security/
ux.2####.com:443/pb/appReportRest/getSession?v=####&SDKVersion=####&t=##...
ux.2####.com:443/pb/appReportRest/package?v=####&sid=####&SDKVersion=###...
ux.2####.com:443/visualizationEvent/getIssuedEvents?osType=####&pid=####
y####.al####.org.####.com:443/saveWb.json?evt=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/0.xml
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/2c4b5a2b9f9de042fa673356eba17b51
/data/data/####/404.png
/data/data/####/AVOSCloud-SDK.xml
/data/data/####/AV_CLOUD_API_VERSION_KEY_ZONE.xml
/data/data/####/AlibcLinkPartner.xml
/data/data/####/Alvin2.xml
/data/data/####/CXPlugin.db
/data/data/####/CXPlugin.db-journal
/data/data/####/ContextData.xml
/data/data/####/Cookies
/data/data/####/Cookies-journal
/data/data/####/DEFAULTSAVEDATE.xml
/data/data/####/DEFAULTSAVEDATE.xml.bak
/data/data/####/FIRSTOPEN.xml
/data/data/####/INSTALLATION_NEW
/data/data/####/Q0VSVC5SU0EK.txt
/data/data/####/ROKID_IMEI
/data/data/####/SGMANAGER_DATA2
/data/data/####/SG_INNER_DATA
/data/data/####/SPEEDTESTDATA.xml
/data/data/####/UTCommon.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/ap.Lock
/data/data/####/apkfavorite.db
/data/data/####/apkfavorite.db-journal
/data/data/####/auth_sdk_device.xml
/data/data/####/auto_comm.js
/data/data/####/auto_login.css
/data/data/####/auto_login.html
/data/data/####/auto_login.js
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.dex;classes5.dex
/data/data/####/classes.dex;classes6.dex
/data/data/####/classes.dex;classes7.dex
/data/data/####/classes.dex;classes8.dex
/data/data/####/classes.dex;classes9.dex
/data/data/####/com.avos.avoscloud.RequestStatisticsUtil.data.xml
/data/data/####/com.avos.avoscloud.analysis.xml
/data/data/####/com.avos.avoscloud.approuter.o5WpFiev81L3vUqyA9...ml.bak
/data/data/####/com.avos.avoscloud.approuter.o5WpFiev81L3vUqyA9...sz.xml
/data/data/####/com.yueme.itv_account_sdk.xml
/data/data/####/com.yueme.itv_account_sdk_res.xml
/data/data/####/com.yueme.itv_preferences.xml
/data/data/####/comm.js
/data/data/####/config.xml
/data/data/####/core_info
/data/data/####/dc1ac1132616524340
/data/data/####/dc663b7d9ef10c8288
/data/data/####/download_upload
/data/data/####/e.png
/data/data/####/error.html
/data/data/####/libjiagu.so
/data/data/####/libsgmain_312757200000.dex
/data/data/####/libsgmain_312757200000.dex.flock (deleted)
/data/data/####/libsgmainso-5.4.94.so
/data/data/####/lock.lock
/data/data/####/login.css
/data/data/####/login.html
/data/data/####/login.js
/data/data/####/login_QQ.png
/data/data/####/login_wechat.png
/data/data/####/login_weibo.png
/data/data/####/login_yjk.png
/data/data/####/mask.png
/data/data/####/md5values.txt
/data/data/####/memFile_monitorlog
/data/data/####/mini_auto_login.html
/data/data/####/mini_error.html
/data/data/####/mini_login.html
/data/data/####/mini_sms_login.html
/data/data/####/phone.png
/data/data/####/plugin.xml
/data/data/####/plugin_uninstalled.xml
/data/data/####/proc_auxv
/data/data/####/rokid.db
/data/data/####/rokid.db-journal
/data/data/####/sgFile.lock
/data/data/####/share.db-journal
/data/data/####/sms_login.html
/data/data/####/sms_login.js
/data/data/####/sp.lock
/data/data/####/stats_sdk_settings.xml
/data/data/####/stats_sdk_settings.xml.temp
/data/data/####/statssdk_log.db
/data/data/####/statssdk_log.db-journal
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_config.xml.bak (deleted)
/data/data/####/tbs_download_stat.xml
/data/data/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/timestamp
/data/data/####/topIcon-logo.png
/data/data/####/uedapm.db-journal
/data/data/####/uedapmexception.db-journal
/data/data/####/uid-list.ini
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/userlist.xml
/data/data/####/usernetwork.xml
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/utilcode.xml
/data/data/####/uxcn21com_boottime.xml
/data/data/####/wrong.css
/data/data/####/xUtils_http_cookie.db
/data/data/####/xUtils_http_cookie.db-journal
/data/data/####/xUtils_http_cookie.db-journal (deleted)
/data/data/####/xUtils_http_cookie.db-shm
/data/data/####/xUtils_http_cookie.db-wal
/data/media/####/0
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/INSTALLATION_NEW
/data/media/####/ad84ef63bcb84ab2d2af2f913b473d64
/data/media/####/hid.dat
/data/media/####/tbslog.txt
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/data/user/0/<Package>/files/dc1ac1132616524340
/data/user/0/<Package>/files/dc663b7d9ef10c8288
getprop ro.build.version.release
getprop ro.product.cpu.abi
sh -c cat /sys/class/mmc_host/mmc*/mmc*:*/cid

Loads the following dynamic libraries:

libCtaLib
libjiagu
libsgmainso-5.4.94

Uses the following algorithms to encrypt data:

AES
AES-CBC-PKCS5Padding
RC4
RSA-ECB-NoPadding

Uses the following algorithms to decrypt data:

RSA-ECB-PKCS1Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

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

Gets information about installed apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

Technologies

Terminology

Training and education

Myths

Technical information

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