Adware.Gexin.14139

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) c.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) ad####.m.ta####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) ada####.m.ta####.com:80
TCP(HTTP/1.1) d####.d####.mob.com:80
TCP(TLS/1.0) 2####.58.208.110:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a####.man.aliy####.com
ad####.m.ta####.com
ada####.m.ta####.com
api.s####.mob.com
c####.g####.ig####.com
c-h####.g####.com
c.d####.mob.com
d####.d####.mob.com
int.d####.s####.####.cn
m.d####.mob.com
plb####.u####.com
pub-####.qin####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com

HTTP GET requests:

ad####.m.ta####.com/rest/gc2?ak=####&av=####&c=####&d=####&sv=####&t=###...
m.d####.mob.com/v4/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/config/hz-hzv6.conf
t####.c####.q####.####.com/tdata_Gfv491
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_TPC259
t####.c####.q####.####.com/tdata_zzW503

HTTP POST requests:

a####.exc.mob.com/errconf
ada####.m.ta####.com/rest/sur?ak=####&av=####&c=####&v=####&s=####&d=###...
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/snsconf
c-h####.g####.com/api.php?format=####&t=####
c.d####.mob.com/v3/cdata
d####.d####.mob.com/dgen
d####.d####.mob.com/dinfo
d####.d####.mob.com/dsign
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrecord (deleted)
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/.vpl_lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UTCommon.xml
/data/data/####/ap.Lock
/data/data/####/b5ff04f44132
/data/data/####/cn.liangzemu.yvieo.xml
/data/data/####/cn.liangzemu.yvieo_preferences.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NTgzNTUwOTky;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NTgzNTYwNTYy;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&1.0.4_1558583551303_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/libjiagu.so
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/share_sdk_1
/data/data/####/sharesdk.db-journal
/data/data/####/tdata_Gfv491
/data/data/####/tdata_Gfv491.jar
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_TPC259
/data/data/####/tdata_TPC259.jar
/data/data/####/tdata_zzW503
/data/data/####/tdata_zzW503.jar
/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_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.artc_lock
/data/media/####/.cca.dat
/data/media/####/.dh
/data/media/####/.dh-journal
/data/media/####/.dhlock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.lecd
/data/media/####/.lesd_lock
/data/media/####/.pkg_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/cn.liangzemu.yvieo.bin
/data/media/####/cn.liangzemu.yvieo.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/sysid.dat
/data/media/####/tdata_Gfv491
/data/media/####/tdata_MkX219
/data/media/####/tdata_TPC259
/data/media/####/tdata_zzW503
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiService 24829 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
ls /sys/class/thermal
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiService 24829 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu
ut_c_api

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding

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.

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

Free trial