Adware.Gexin.2326

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/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/.vpl_lock
/data/data/####/1004
/data/data/####/1536460767272_2086
/data/data/####/1536460767376_2086
/data/data/####/1536460767682_2086
/data/data/####/1536460769342_2086
/data/data/####/1536460769386_2086
/data/data/####/1536460769554_2086
/data/data/####/1536460770371_2086
/data/data/####/1536460771419_2086
/data/data/####/1536460776535_2086
/data/data/####/1536460776873_2086
/data/data/####/1536460776911_2086
/data/data/####/1536460779195_2086
/data/data/####/1536460779701_2086
/data/data/####/1536460779758_2086
/data/data/####/1536460782534_2086
/data/data/####/1536460784525_2086
/data/data/####/1536460784557_2086
/data/data/####/1536460784625_2086
/data/data/####/1536460787167_2086
/data/data/####/1536460787208_2086
/data/data/####/1536460787268_2086
/data/data/####/1536460790238_2086
/data/data/####/1536460790297_2086
/data/data/####/1536460795874_2086
/data/data/####/1536460795944_2086
/data/data/####/1536460796008_2086
/data/data/####/1536460801144_2086
/data/data/####/1536460801810_2086
/data/data/####/1536460801954_2086
/data/data/####/1536460811277_2086
/data/data/####/1536460811386_2086
/data/data/####/1536460811461_2086
/data/data/####/1536460815487_2086
/data/data/####/1536460815544_2086
/data/data/####/1536460815607_2086
/data/data/####/1536460817635_2086
/data/data/####/1536460818271_2086
/data/data/####/1536460818407_2086
/data/data/####/1536460819829_2086
/data/data/####/1536460820032_2086
/data/data/####/1536460820092_2086
/data/data/####/1536460820143_2086
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/NIMSDK_Config_60c987500305ba7e2456f9ec7fc74a7e.xml
/data/data/####/NIMSDK_Config_60c987500305ba7e2456f9ec7fc74a7e_...4e.xml
/data/data/####/NIMSDK_Config_df04d9c5e20fa56a8572504ad187e05f.xml
/data/data/####/TDCloudSettingsConfigA37E525D2B4A499E8A0F8B2C8C13C355.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/Unicorn.60c987500305ba7e2456f9ec7fc74a7e.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.hengtiansoft.tgedu.checkanswer04e62936192e4...94.xml
/data/data/####/com.hengtiansoft.tgedu.checkanswer;core04e62936...94.xml
/data/data/####/com.hengtiansoft.tgedu.checkanswer;pushservice0...94.xml
/data/data/####/com.hengtiansoft.tgedu.checkanswer_preferences.xml
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/crashrecord.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gin.db-journal
/data/data/####/gtc.db-journal
/data/data/####/gx_sp.xml
/data/data/####/ias.db-journal
/data/data/####/ias_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu1180856038.so
/data/data/####/local_crash_lock
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/mobclick_agent_user_com.hengtiansoft.tgedu.checkanswer.xml
/data/data/####/msg.db-journal
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qiyu_save_60c987500305ba7e2456f9ec7fc74a7e.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share_sdk_1
/data/data/####/sharesdk.db-journal
/data/data/####/tdata_NtE098-1981743365.tmp
/data/data/####/tdata_NtE098.jar
/data/data/####/tdata_vHH584
/data/data/####/tdata_vHH584.jar
/data/data/####/tdata_wmL809
/data/data/####/tdata_wmL809.jar
/data/data/####/tdid.xml
/data/data/####/top_time_0
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_cache_1536460770840.env
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/unicorn#cheese#
/data/data/####/zhuge
/data/data/####/zhuge-journal
/data/media/####/.al
/data/media/####/.artc_lock
/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/####/.nomedia
/data/media/####/.nulal
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.plst
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.tcookieid
/data/media/####/2018-09-09.log.txt
/data/media/####/27912a566184e5c4a2e2f3db2d8ffd1792821f21e35c36....0.tmp
/data/media/####/3c2ff5d5dce4a4e453897c67a8952f6b9c40bc501df2b1....0.tmp
/data/media/####/3e7538e8c738764d5be2d1c8b7100b928299b002ebf148....0.tmp
/data/media/####/4ee1b78ea2be89816276bc898770a5b82f0b8c268edbec....0.tmp
/data/media/####/5182cbcb0da33cdf36bb7779f8785878635dbd2805afb3....0.tmp
/data/media/####/543137004494d25a2fa1dfb936b1043bb7fb0f74a418ff....0.tmp
/data/media/####/766aeadbf5209885851561adc9cd731bc22863971bb880....0.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/a09602ab1eaf98e4feda25bcd63632ac3be0c01fc39a1e....0.tmp
/data/media/####/a71cd7527afa31cb4d88d828c2a59807348d248a9ee2ab....0.tmp
/data/media/####/a7d7e4c2f6ae825f7431921387967dd0fbc8a42fe8d6f9....0.tmp
/data/media/####/a9d4bcc62b3e29cb4e776dd4efdffdf65bf5d7e37e2752....0.tmp
/data/media/####/app.db
/data/media/####/b6c134a9e1f67d09cdab1ce4b0624b8ef629decaf695d7....0.tmp
/data/media/####/b93ca0c67c82aac401e4938943f6fe3bf53a3b99ccac8c....0.tmp
/data/media/####/c1d9890d94ffe7e6fe9486967bdd36bd5f1ef759bf4e30....0.tmp
/data/media/####/c2023f97f1d68494c8f292d0fc510f9b5abe728946e8f2....0.tmp
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.hengtiansoft.tgedu.checkanswer.bin
/data/media/####/com.hengtiansoft.tgedu.checkanswer.db
/data/media/####/com.hengtiansoft.tgedu.checkanswer_.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/dafb5a26a3707209843078ae760f3500778300885cf443....0.tmp
/data/media/####/def88e64f06c9481d1c9f5cdfd100c583073ac020adf8f....0.tmp
/data/media/####/e1f91b3e262c4a91784e84be7539a6255824581b36654e....0.tmp
/data/media/####/e70d8307021084d6aa56c7feb138e571eb42a3a314af14....0.tmp
/data/media/####/e917c0195668216d663df2fa844c9f54555394c236d164....0.tmp
/data/media/####/ee0e5705c12b319afe9ef6116e8841d6246ac745fa0cfb....0.tmp
/data/media/####/f1c1eb3063859e3f4a20e1485cad26f0a3783e1930cdf8....0.tmp
/data/media/####/journal.tmp
/data/media/####/log-2018-09-09-1536460769405.log
/data/media/####/log-2018-09-09-1536460769427.log
/data/media/####/nim_sdk.log
/data/media/####/official_config
/data/media/####/tdata_NtE098
/data/media/####/tdata_vHH584
/data/media/####/tdata_wmL809
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.gtpush.DemoPushService 26450 300 0
app_process /system/bin com.android.commands.pm.Pm list packages
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu1180856038.so
getprop
grep -E -v root|shell|system
pm list packages
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.gtpush.DemoPushService 26450 300 0
top -d 0 -n 1

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu1180856038

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding
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 APN settings.

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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