Adware.Gexin.9442

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) www.p####.com:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(TLS/1.0) 2####.58.212.174:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) m####.f####.com:16128
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a.appj####.com
c####.g####.ig####.com
c####.g####.ig####.com
c-h####.g####.com
log.u####.com
m####.f####.com
pub-####.qin####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.p####.com
www.yit####.com

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_AXX896
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_Fus136
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a.appj####.com/ad-service/ad/mark
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
www.p####.com/apiv1/sdkstat/install
www.p####.com/apiv1/sdkstat/launch

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/1551498666287.log
/data/data/####/191c37ba4ead
/data/data/####/agreement_book.html
/data/data/####/agreement_book_fast.html
/data/data/####/back_holo_dark.png
/data/data/####/back_holo_light.png
/data/data/####/bank_list.html
/data/data/####/card_manager.html
/data/data/####/card_setup.html
/data/data/####/card_setup_credit.html
/data/data/####/card_setup_debit.html
/data/data/####/card_setup_fucard.html
/data/data/####/card_setup_two.html
/data/data/####/chkbtn.png
/data/data/####/chkbtn_cur.png
/data/data/####/common.css
/data/data/####/common.js
/data/data/####/cordova.js
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/httpRequest.js
/data/data/####/index.html
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/jquery-2.1.1.min.js
/data/data/####/jquery.mobile-1.4.2.min.css
/data/data/####/jquery.mobile-1.4.2.min.js
/data/data/####/jquery.touchSwipe.min.js
/data/data/####/libjiagu.so
/data/data/####/localData.js
/data/data/####/logo.png
/data/data/####/md5.js
/data/data/####/mobilepaysdk.zip
/data/data/####/mobiscroll.core.js
/data/data/####/mobiscroll.datetime.js
/data/data/####/mobiscroll.scroller.css
/data/data/####/mobiscroll.scroller.js
/data/data/####/mustache.js
/data/data/####/pay.js
/data/data/####/pay_pwd_setup.html
/data/data/####/payment.html
/data/data/####/pgyersdk.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/reset.css
/data/data/####/result.html
/data/data/####/run.pid
/data/data/####/spin.min.js
/data/data/####/style.css
/data/data/####/tdata_AXX896
/data/data/####/tdata_AXX896.jar
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_Fus136
/data/data/####/tdata_Fus136.jar
/data/data/####/umeng_socialize.xml
/data/data/####/version.json
/data/data/####/xml2json.js
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.ytP2p.bin
/data/media/####/com.ytP2p.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_AXX896
/data/media/####/tdata_BAI450
/data/media/####/tdata_Fus136
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.yitoujf.receiver.MyPushService 23844 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.yitoujf.receiver.MyPushService 23844 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
DES
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-ECB-PKCS5Padding

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