Adware.Gexin.6145

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) v2.g####.qq.com:80
TCP(HTTP/1.1) f####.f####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) p####.tc.qq.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) img.f####.com.####.net:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) 61.55.1####.26:8088
TCP(HTTP/1.1) 61.55.1####.34:8088
TCP(HTTP/1.1) 61.55.1####.1:8088
TCP(HTTP/1.1) 2####.192.139.100:8088
TCP(HTTP/1.1) mi.g####.qq.com:80
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) s####.e.qq.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
f####.f####.com
img.f####.com
imgc####.qq.com
mi.g####.qq.com
p####.ugd####.com
qzones####.g####.cn
s####.e.qq.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ssl.gst####.com
v.g####.qq.com
v2.g####.qq.com
www.go####.com
www.gst####.com

HTTP GET requests:

f####.f####.com/Flux4AdData.aspx?id=####&appversion=####&Type=####
img.f####.com.####.net/Novel/166x235/0/170/000170963.jpg
img.f####.com.####.net/Novel/166x235/0/201/000201355.jpg
img.f####.com.####.net/Novel/166x235/0/226/000226313.jpg
img.f####.com.####.net/Novel/166x235/0/227/000227148.jpg
img.f####.com.####.net/Novel/166x235/0/228/000228466.jpg
img.f####.com.####.net/Novel/166x235/0/228/000228772.jpg
img.f####.com.####.net/Novel/166x235/0/229/000229737.jpg
img.f####.com.####.net/Novel/166x235/0/232/000232595.jpg
img.f####.com.####.net/Novel/166x235/0/233/000233534.jpg
img.f####.com.####.net/Novel/166x235/0/235/000235805.jpg
img.f####.com.####.net/Novel/166x235/0/236/000236589.jpg
img.f####.com.####.net/Novel/166x235/0/237/000237615.jpg
img.f####.com.####.net/Novel/166x235/0/237/000237660.jpg
img.f####.com.####.net/hpic/2018/11/30/37b1885f-6a2e-4708-b07b-0423ff4fa...
img.f####.com.####.net/hpic/2018/11/30/ce6a9df8-68c3-4158-8a0e-c0c8586ae...
img.f####.com.####.net/hpic/2018/11/30/de1139d4-2554-477c-8bb6-b21a27fdb...
img.f####.com.####.net/hpic/2018/11/30/f830b8aa-2299-4c2f-8e08-61aae0c67...
img.f####.com.####.net/ou/2018/20180815093800.png
img.f####.com.####.net/ou/2018/20181207145201.jpg
mi.g####.qq.com/gdt_mview.fcg?posw=####&posh=####&count=####&r=####&data...
mi.g####.qq.com/gdt_mview.fcg?posw=####&spsa=####&posh=####&count=####&r...
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/banner.appcache
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/banner.html
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/ad_logo.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/banner_close_b...
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/bannerbg02.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/bannerbg03.jpg
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/bannerbg07.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/close02.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/close03.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/download_icon....
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/download_icon_...
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/gdt_logo_black...
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/icon-ad.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/sdk_bg.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/tc-gdt-sdk-ope...
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/tsa_ad_logo.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/images/tsa_logo.png
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/js-release/20170821/b...
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android01/js/lib/require.js
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android02/images/tsa_ad_logo.png
p####.tc.qq.com/qzone/biz/gdt/mod/android/AndroidAllInOne/proguard/his/r...
s####.tc.qq.com/gdt/0/DAAT0fDABIABIAAEBbPcbpAknffTJY.png/0?ck=####
s####.tc.qq.com/gdt/0/DAAfs1OAKAAPAABeBcBjOqCDTM76fv.jpg/0?ck=####
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_fyR930
ti####.c####.l####.####.com/config/hz-hzv3.conf
v2.g####.qq.com/gdt_stats.fcg?viewid=####&i=####&os=####&xp=####&gap=####

HTTP POST requests:

a####.exc.mob.com/errconf
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
s####.e.qq.com/activate
s####.e.qq.com/msg
sdk.o####.p####.####.com/api.php?format=####&t=####
v2.g####.qq.com/gdt_stats.fcg

File system changes:

Creates the following files:

/data/data/####/-1154778678
/data/data/####/.duid
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/1004
/data/data/####/2296.yaqcookie
/data/data/####/5ead7c1916e321af3ee0d7d6aa595238.temp
/data/data/####/ApplicationCache.db-journal
/data/data/####/BuglySdkInfos.xml
/data/data/####/GDTSDK.db
/data/data/####/GDTSDK.db-journal
/data/data/####/MultiDex.lock
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/config.xml
/data/data/####/crashrecord.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/devCloudSetting.cfg
/data/data/####/devCloudSetting.sig
/data/data/####/dexMethod.82894129.dat
/data/data/####/domain_1
/data/data/####/f0cc4a8bee67fc1dfd3a55d79b908537.temp
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/faloodb.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/gdt_config.cfg
/data/data/####/gdt_plugin.jar
/data/data/####/gdt_plugin.jar.sig
/data/data/####/gdt_plugin.tmp
/data/data/####/gdt_plugin.tmp.sig
/data/data/####/gdt_stat.db
/data/data/####/gdt_stat.db-journal
/data/data/####/gdt_suid
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.2.so
/data/data/####/libufix.so
/data/data/####/libyaqbasic.82894129.so
/data/data/####/libyaqpro.82894129.so
/data/data/####/local_crash_lock
/data/data/####/mfbook.db
/data/data/####/mfbook.db-journal
/data/data/####/mix.dex
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/okgo.db-journal
/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/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/data/data/####/security_info
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_fyR930
/data/data/####/tdata_fyR930.jar
/data/data/####/update_lc
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/yaqsdkcookie
/data/media/####/.artc_lock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/0902f42f7a54a43db2258f77838ad5c594d21d22ba69d6....0.tmp
/data/media/####/0fa076945379d98212690b2573a6f02165b6ada0642809....0.tmp
/data/media/####/22466f4a46bd3783074d66b116fbefb3f7cf225cc7ff80....0.tmp
/data/media/####/4403ccb2a8780416f062b61d3db4c42232139decbada35....0.tmp
/data/media/####/486a70705c1cbd2ac208040cfeaa4d44cb6a4b6adeea80....0.tmp
/data/media/####/50dcdf25420ad7cfeeaa6c3c28bd462c7fe8b7cd445814....0.tmp
/data/media/####/537e17085adc1c5eb91298932610182e1e77c7c5e97d37....0.tmp
/data/media/####/5b86443bb66005876efce56987e31ac3622acf126839fb....0.tmp
/data/media/####/6e8ac538f3694605df296fb1fc33dba5016ef52eb2072c....0.tmp
/data/media/####/789bd6b668234958816cba6e06c40f2089b27e139c2273....0.tmp
/data/media/####/8542a92b894e8c9aad5a3734cb9accdb51cce928a4b462....0.tmp
/data/media/####/8b36b9c9727d1fbe50b24aa7f77f4cb989f078dfabfda6....0.tmp
/data/media/####/8fc81199536eb79d78f64c99f4bc8c4952659d3903cd40....0.tmp
/data/media/####/969f6e152352f8b873d580faee8cb0cbbf416288327196....0.tmp
/data/media/####/app.db
/data/media/####/b66efda14e2af9de8a9afa6c6e39462c06afc870296998....0.tmp
/data/media/####/bb1b74280ed31ff33ff1309a5e192ff25e8a0fb2bf77fa....0.tmp
/data/media/####/cd7af70a43e65e824e3b3ebe8b2986546f3075f3f60c64....0.tmp
/data/media/####/cffcb814062056a4319441fd0dbb909ead43ac040db5a7....0.tmp
/data/media/####/com.faloo.BookReader4Android.bin
/data/media/####/com.faloo.BookReader4Android.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/e1b95d52b7699d9c56f4cb10bc8acbf8657fff92ae52ae....0.tmp
/data/media/####/e5aeea00d56445a76c75842ab080568242260d5c997d76....0.tmp
/data/media/####/f24fc9461bc8cabd5b5fe6b5ec0e2a9ebf84655760a9f5....0.tmp
/data/media/####/journal.tmp
/data/media/####/tdata_bca864
/data/media/####/tdata_fyR930
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/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.faloo.service.getui.GeTuiPushService 25687 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.2.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 *:e *:i | grep (2296)
logcat *:e *:i | grep (2374)
logcat -d -v threadtime
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.faloo.service.getui.GeTuiPushService 25687 300 0

Loads the following dynamic libraries:

Bugly
encrypt
getuiext3
libnfix
libshella-2.9.0.2
libufix
libyaqbasic.82894129
libyaqpro.82894129
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding
AES-ECB-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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