Adware.Gexin.6901

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) analy####.ray####.com:80
TCP(HTTP/1.1) fk-k8s-####.ray####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) www.go####.com:80
TCP(HTTP/1.1) f####.dap.bsh####.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) wild####.moa####.com.####.net:443
TCP(TLS/1.0) ser####.cmp.o####.com:443
TCP(TLS/1.0) api.yog####.com:443
TCP(TLS/1.0) d####.fl####.com:443
TCP(TLS/1.0) api.vu####.com.####.net:443
TCP(TLS/1.0) f####.dap.bsh####.com:443
TCP(TLS/1.0) rts.s####.du####.com:443
TCP(TLS/1.0) api.face####.com:443
TCP(TLS/1.0) 1####.217.168.206:443

DNS requests:

ads.api.vu####.com
analy####.ray####.com
and####.b####.qq.com
api.mo####.sdk.####.com
api.yog####.com
d####.fl####.com
g####.face####.com
log.u####.com
mb####.s####.du####.com
plb####.u####.com
rts.s####.du####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ser####.cmp.o####.com
set####.ray####.com
u####.u####.com
www.go####.com
z.moa####.com

HTTP GET requests:

f####.dap.bsh####.com/adunion/slot/fetchConfig?h=####&w=####&model=####&...
fk-k8s-####.ray####.com/setting?app_id=####&sign=####&jm_a=####&jm_n=###...
www.go####.com/complete/search?hl=####&client=####&q=####

HTTP POST requests:

analy####.ray####.com/
and####.b####.qq.com/rqd/async?aid=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.YFlurrySenderIndex.info.AnalyticsData_RQC74CNG...67_278
/data/data/####/.YFlurrySenderIndex.info.AnalyticsMain
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.yflurrydatasenderblock.5d95e014-3d42-447f-93dc...485c0e
/data/data/####/.yflurrydatasenderblock.6032ee98-7818-4420-89f5...a8cebe
/data/data/####/1004
/data/data/####/Data.b
/data/data/####/MultiDex.lock
/data/data/####/SP_YOGO.xml
/data/data/####/YOGOVIDEO_ANDRIOD_ALERT-6938894.d
/data/data/####/YOGOVIDEO_ANDRIOD_BANNER-2986264.d
/data/data/####/YOGOVIDEO_ANDRIOD_FLOW-3875639.d
/data/data/####/YOGOVIDEO_ANDRIOD_VIDEO-5509480.d
/data/data/####/_toolbox_prefs.xml
/data/data/####/a==7.5.3&&1.3.8_1545460194381_envelope.log
/data/data/####/appId.b
/data/data/####/bugly_db_-journal
/data/data/####/com.facebook.internal.preferences.APP_GATEKEEPERS.xml
/data/data/####/com.facebook.internal.preferences.APP_SETTINGS.xml
/data/data/####/com.facebook.sdk.appEventPreferences.xml
/data/data/####/com.facebook.sdk.attributionTracking.xml
/data/data/####/com.google.InstanceId.properties
/data/data/####/com.google.android.gms.analytics.prefs.xml
/data/data/####/com.google.android.gms.appid-no-backup
/data/data/####/com.google.android.gms.appid.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/com.qwkj.yogovideo_preferences.xml
/data/data/####/com.tonyodev.fetch.shared_preferences.xml
/data/data/####/com_tonyodev_fetch.db-journal
/data/data/####/configSettings.b
/data/data/####/consentIsImportantToVungle.b
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMTgyNDg5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMTkyNDIy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMjA0OTMw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMjA2MDA4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMjAzNTYx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMjE3Mjg4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMjE4Njk4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMjI1NDMx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMjI2OTM3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NDYwMjM2MjIy;
/data/data/####/du_ad_cache.db-journal
/data/data/####/du_ad_ts.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/google_analytics_v4.db-journal
/data/data/####/google_app_measurement.db-journal
/data/data/####/google_app_measurement_local.db
/data/data/####/google_app_measurement_local.db-journal
/data/data/####/i==1.2.0&&1.3.8_1545460185046_envelope.log
/data/data/####/i==1.2.0&&1.3.8_1545460203588_envelope.log
/data/data/####/i==1.2.0&&1.3.8_1545460237239_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/installationNum
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu-176894975.so
/data/data/####/local_crash_lock
/data/data/####/mintegral.msdk.db-journal
/data/data/####/mintegral.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/share_date.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/video_pref_def.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/com.qwkj.yogovideo.bin
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/sysid.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/system/bin/sh -c getprop
getprop
ls /sys/class/thermal
ps

Loads the following dynamic libraries:

Bugly
getuiext3
libjiagu-176894975
native-lib

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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