Adware.Gexin.1150

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/1004
/data/data/####/ACCS_SDK.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/MultiDex.lock
/data/data/####/accs.db-journal
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/cn.jpush.preferences.v2.xml.bak
/data/data/####/com.mengtuiapp.mall.xml
/data/data/####/com.mengtuiapp.mall.xml.bak
/data/data/####/crashrecord.xml
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/httpclient-req-261254729.cache
/data/data/####/httpclient-req-261254729.cache (deleted)
/data/data/####/httpdns_config_cache.xml
/data/data/####/i==1.2.0&&2.1.1_1534050129524_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1534050189410_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/innotech_push_userinfo.xml
/data/data/####/jpush_local_notification.db
/data/data/####/jpush_local_notification.db-journal
/data/data/####/jpush_local_notification.db-wal
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/jpush_statistics.db
/data/data/####/jpush_statistics.db-journal
/data/data/####/jpush_statistics.db-shm (deleted)
/data/data/####/jpush_statistics.db-wal
/data/data/####/jpush_uncaughtexception_file
/data/data/####/kefuinfo.xml
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mengtui_share_data.xml
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.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_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/umeng_socialize.xml
/data/data/####/wakeup_cache.json
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.0ee8b178d3b70c385d801fa56d458eb6.cuid
/data/media/####/.2e1b3b35856a9a8b9e7626ee3afd5a3c.cuid
/data/media/####/.301d574ef42563b03638c8eae19225cb.cuid
/data/media/####/.31aa1b74de685d3e992b8b20b29277a6.cuid
/data/media/####/.3f05ff2ee62166a5f2841b6f5991a729.cuid
/data/media/####/.43c699cacb221ac1f982fcaeae20d859.cuid
/data/media/####/.47dcbd834e669233d7eb8a51456ed217.cuid
/data/media/####/.51aa6f4a72cb95868533c23b3ed46280.cuid
/data/media/####/.54b53072540eeeb8f8e9343e71f28176.cuid
/data/media/####/.595b157df788ac0a270a61af4e82461b.cuid
/data/media/####/.6829d1667526200f340b0ebbc50f1799.cuid
/data/media/####/.6c017cebec8103c6a12acdf6e530cd40.cuid
/data/media/####/.7f1742e0d9ab7b82443cb870d357e085.cuid
/data/media/####/.801ab24683a4a8c433c6eb40c48bcd9d.cuid
/data/media/####/.80662e1f485e79d07ef4973f6b1b9f88.cuid
/data/media/####/.8290c29bcd88cef122f67d57ccfa328e.cuid
/data/media/####/.8d777f385d3dfec8815d20f7496026dc.cuid
/data/media/####/.8e8b27e522ed7bde563e85f73458fd7d.cuid
/data/media/####/.8f51db48bf0ea9f72de7a231ed8af2f0.cuid
/data/media/####/.9bf72350632fdc8eedb8dc474f164954.cuid
/data/media/####/.a.dat
/data/media/####/.a274f4d4670213a9045ce258c6c56b80.cuid
/data/media/####/.a813fc513e2acbdc7dbb94a2b0444a01.cuid
/data/media/####/.adfwe.dat
/data/media/####/.b11ddc7e1671c0bd22dc89dd757508d4.cuid
/data/media/####/.b8d3178fff443ffb41bc400686331bdd.cuid
/data/media/####/.c3418983f96107fb595049c67426dc08.cuid
/data/media/####/.cb4cb2401e6e43cf74a54523b8da5f02.cuid
/data/media/####/.cc8dd1145e0a2d862cf37183282bd82c.cuid
/data/media/####/.cca.dat
/data/media/####/.e0db8f977ad7a2f31aa5a97ab89d0c0e.cuid
/data/media/####/.e84e30b9390cdb64db6db2c9ab87846d.cuid
/data/media/####/.e85823b4e7db1064f4301e1c74978199.cuid
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/aacout
/data/media/####/app.db
/data/media/####/axacount
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.mengtuiapp.mall.bin
/data/media/####/com.mengtuiapp.mall.db
/data/media/####/cusc
/data/media/####/cusys
/data/media/####/easemob.log
/data/media/####/sysid.dat
/data/media/####/systemccu
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/data/media/####/test.log
/data/media/####/wcout

Miscellaneous:

Executes next 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
/system/bin/netcfg
/system/bin/sh -c getprop
/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.innotech.innotechpush.service.PushService 24915 300 0
cat /sys/class/net/wlan0/address
chmod 700 /data/user/0/<Package>/tx_shell/libnfix.so
chmod 700 /data/user/0/<Package>/tx_shell/libshella-2.8.so
chmod 700 /data/user/0/<Package>/tx_shell/libufix.so
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.8.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
ls /sys/class/thermal
ps
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.innotech.innotechpush.service.PushService 24915 300 0

Loads the following dynamic libraries:

Bugly
InnoSo
audioeffect_jni
getuiext2
hyphenate
hyphenate_av
hyphenate_av_recorder
jcore119
libnfix
libshella-2.8
libufix
nfix
sqlite
ufix
xsignal_client

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-GCM-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.

Adds tasks to the system scheduler.

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