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Adware.Gexin.9444

Added to the Dr.Web virus database: 2019-03-02

Virus description added:

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) ip.ta####.com:80
  • TCP(HTTP/1.1) t####.c####.q####.####.com:80
  • TCP(HTTP/1.1) and####.b####.qq.com:80
  • TCP(HTTP/1.1) sdk.o####.p####.####.com:80
  • TCP(HTTP/1.1) c-h####.g####.com:80
  • TCP(HTTP/1.1) hbk.shu####.cn:80
  • TCP(HTTP/1.1) reso####.msg.xi####.net:80
  • TCP(HTTP/1.1) qin####.com.www.####.com:80
  • TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
  • TCP(TLS/1.0) dai.shu####.cn:443
  • TCP(TLS/1.0) api.shu####.cn:443
  • TCP(TLS/1.0) app####.c####.in:443
  • TCP(TLS/1.0) dcc.shu####.cn:443
  • TCP(TLS/1.0) regi####.xm####.xi####.com:443
  • TCP(TLS/1.0) d####.shu####.cn:443
  • TCP(TLS/1.0) daa.shu####.cn:443
  • TCP c####.g####.ig####.com:5227
  • TCP 47.74.1####.155:5222
  • TCP 4####.62.94.2:443
  • TCP sdk.o####.t####.####.com:5224
DNS requests:
  • 7j####.c####.z0.####.com
  • and####.b####.qq.com
  • api.shu####.cn
  • app####.c####.in
  • c####.g####.ig####.com
  • c-h####.g####.com
  • d####.shu####.cn
  • daa.shu####.cn
  • dai.shu####.cn
  • dcc.shu####.cn
  • hbk.shu####.cn
  • ip.ta####.com
  • plb####.u####.com
  • pub-####.qin####.com
  • regi####.xm####.xi####.com
  • reso####.msg.xi####.net
  • sdk.c####.ig####.com
  • sdk.o####.p####.####.com
  • sdk.o####.t####.####.com
  • sdk.o####.t####.####.com
  • sdk.o####.t####.####.net
  • u####.u####.com
  • u####.umengc####.com
HTTP GET requests:
  • ip.ta####.com/service/getIpInfo2.php?ip=####
  • qin####.com.www.####.com/tdata_EDT369
  • reso####.msg.xi####.net/gslb/?ver=4.0&type=wap&conpt=dvidpodv >>4>>4>>4...
  • t####.c####.q####.####.com/tdata_JNg986
  • t####.c####.q####.####.com/tdata_MkX219
  • t####.c####.q####.####.com/tdata_iRz660
  • t####.c####.q####.####.com/tdata_zzW503
  • ti####.c####.l####.####.com/config/hz-hzv3.conf
HTTP POST requests:
  • and####.b####.qq.com/rqd/async?aid=####
  • c-h####.g####.com/api.php?format=####&t=####
  • hbk.shu####.cn/report?v=####&c=####&e=####&t=####
  • sdk.o####.p####.####.com/api.php?format=####&t=####
  • sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
File system changes:
Creates the following files:
  • /data/data/####/.jg.ic
  • /data/data/####/07eb98d08483
  • /data/data/####/1002
  • /data/data/####/1004
  • /data/data/####/Alvin2.xml
  • /data/data/####/BUGLY_COMMON_VALUES.xml
  • /data/data/####/ContextData.xml
  • /data/data/####/MultiDex.lock
  • /data/data/####/XMPushServiceConfig.xml
  • /data/data/####/bankratejson.xml
  • /data/data/####/bugly_db_-journal
  • /data/data/####/cn.suncloud.kopak.BETA_VALUES.xml
  • /data/data/####/cn.suncloud.kopak;pushservice
  • /data/data/####/cn.suncloud.kopak_dna.xml
  • /data/data/####/cn.suncloud.kopak_preferences.xml
  • /data/data/####/cn.suncloud.kopak_prefs.xml
  • /data/data/####/cn.suncloud.kopak_prefs.xml.bak
  • /data/data/####/config.xml
  • /data/data/####/crashrecord.xml
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzA2Mjc5;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzA5NjI1;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzE2NDA5;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzI0NDQ4;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzI3MTk4;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzIwMTM2;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzIyNDc2;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzM0NDA2;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzM5MzY0;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzMwNTQz;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzQ3MDgw;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzU3MTI3;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzUyNDQ1;
  • /data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNDk4NzYxNDcx;
  • /data/data/####/deviceid.xml.xml
  • /data/data/####/du.lock
  • /data/data/####/exchangeIdentity.json
  • /data/data/####/exid.dat
  • /data/data/####/gdaemon_20161017
  • /data/data/####/geofencing.db
  • /data/data/####/geofencing.db-journal
  • /data/data/####/getui_sp.xml
  • /data/data/####/gkt-journal
  • /data/data/####/gx_sp.xml
  • /data/data/####/info.xml
  • /data/data/####/init.pid
  • /data/data/####/init_c1.pid
  • /data/data/####/ir
  • /data/data/####/ixintui_plugin.jar
  • /data/data/####/libjiagu957416492.so
  • /data/data/####/local_crash_lock
  • /data/data/####/mipush.xml
  • /data/data/####/mipush.xml (deleted)
  • /data/data/####/mipush.xml.bak
  • /data/data/####/mipush_account.xml
  • /data/data/####/mipush_extra.xml
  • /data/data/####/msgs.xml
  • /data/data/####/multidex.version.xml
  • /data/data/####/native_record_lock
  • /data/data/####/pref_registered_pkg_names.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/####/run.pid
  • /data/data/####/sausage.xml
  • /data/data/####/security_info
  • /data/data/####/stat_plugin.jar
  • /data/data/####/tdata_JNg986
  • /data/data/####/tdata_JNg986.jar
  • /data/data/####/tdata_MkX219
  • /data/data/####/tdata_MkX219.jar
  • /data/data/####/tdata_iRz660
  • /data/data/####/tdata_iRz660.jar
  • /data/data/####/tdata_zzW503
  • /data/data/####/tdata_zzW503.jar
  • /data/data/####/tiny_data.data
  • /data/data/####/tiny_data.lock
  • /data/data/####/ua.db
  • /data/data/####/ua.db-journal
  • /data/data/####/um_pri.xml
  • /data/data/####/umeng_common_config.xml
  • /data/data/####/umeng_general_config.xml
  • /data/data/####/umeng_it.cache
  • /data/data/####/wealth.xml
  • /data/data/####/zdtredbaganim.xml
  • /data/media/####/..ccdid
  • /data/media/####/..ccvid
  • /data/media/####/..cvtid
  • /data/media/####/._android.dat
  • /data/media/####/._system.dat
  • /data/media/####/.ccdid
  • /data/media/####/.ccvid
  • /data/media/####/.cvtid
  • /data/media/####/.duid
  • /data/media/####/.n_a
  • /data/media/####/.n_b
  • /data/media/####/.n_c
  • /data/media/####/.n_d
  • /data/media/####/.nomedia
  • /data/media/####/Alvin2.xml
  • /data/media/####/ContextData.xml
  • /data/media/####/_android.dat
  • /data/media/####/_system.dat
  • /data/media/####/app.db
  • /data/media/####/cn.suncloud.kopak.bin
  • /data/media/####/cn.suncloud.kopak.db
  • /data/media/####/com.getui.sdk.deviceId.db
  • /data/media/####/com.igexin.sdk.deviceId.db
  • /data/media/####/duid
  • /data/media/####/gkt-journal
  • /data/media/####/gktper
  • /data/media/####/n_a
  • /data/media/####/n_b
  • /data/media/####/n_c
  • /data/media/####/n_d
  • /data/media/####/tdata_JNg986
  • /data/media/####/tdata_MkX219
  • /data/media/####/tdata_iRz660
  • /data/media/####/tdata_zzW503
  • /data/media/####/test.log
Miscellaneous:
Executes the following shell scripts:
  • /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/sh -c getprop
  • <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.base.GetuiPushService 24712 300 0
  • cat /sys/class/net/wlan0/address
  • chmod 700 <Package Folder>/files/gdaemon_20161017
  • date
  • df
  • getprop
  • ip link
  • logcat -d -v threadtime
  • ls /dev/socket
  • ls /sys/class/thermal
  • ls /system/fonts
  • mkdir -p <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/
  • mount
  • ps
  • service call iphonesubinfo 1
  • sh -c cat /proc/meminfo
  • sh -c cat /sys/class/net/eth0/address
  • sh -c cd /proc/;cat cpuinfo
  • sh -c cd /proc/net/ && cat arp
  • sh -c cd /proc/self/;cat status
  • sh -c echo MENGOUJGODkyRDk4MzhCNkEzQjJGMjgwODU1MDAxNzUwNTkwMDcwQw== > <SD-Card>/../../../../../..<SD-Card>/.n_a
  • sh -c echo MENGOUJGODkyRDk4MzhCNkEzQjJGMjgwODU1MDAxNzUwNTkwMDcwQw== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/n_a
  • sh -c echo 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 > <SD-Card>/../../../../../..<SD-Card>/..ccdid
  • sh -c echo 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 > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/.ccdid
  • sh -c echo NEVCNTUyQzg5NjY2RTU3OTBBQTQwQTQ0Qzc4Qzk1ODMwMDAyMDA= > <SD-Card>/../../../../../..<SD-Card>/.n_b
  • sh -c echo NEVCNTUyQzg5NjY2RTU3OTBBQTQwQTQ0Qzc4Qzk1ODMwMDAyMDA= > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/n_b
  • sh -c echo NkRGMTFDMTFGMTFBODA1M0MwMjQ1QTZCQTVDNkU4MzIyMDE4MDIwOTAwMDM= > <SD-Card>/../../../../../..<SD-Card>/..ccvid
  • sh -c echo NkRGMTFDMTFGMTFBODA1M0MwMjQ1QTZCQTVDNkU4MzIyMDE4MDIwOTAwMDM= > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/.ccvid
  • sh -c echo ODYzNDEzQjk3NkI1MzUzRDg4ODJGMTQxOTQ2RUQxNjk5QjAx > <SD-Card>/../../../../../..<SD-Card>/.n_d
  • sh -c echo ODYzNDEzQjk3NkI1MzUzRDg4ODJGMTQxOTQ2RUQxNjk5QjAx > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/n_d
  • sh -c echo QTdBMUYxMERBQTQwODE2NzU1ODFBRUEzMjEwMkZDN0RFMUY1MTI6RDI4ODBFOkE4RjM3QQ== > <SD-Card>/../../../../../..<SD-Card>/._android.dat
  • sh -c echo QTdBMUYxMERBQTQwODE2NzU1ODFBRUEzMjEwMkZDN0RFMUY1MTI6RDI4ODBFOkE4RjM3QQ== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_android.dat
  • sh -c echo QjU4NUVFQTBCMEQ3MkI1Mzg5QjM5ODQ1MzQ1NUNFMDMzQzdBQjU6ODg2Qzc4OjI3RERDMw== > <SD-Card>/../../../../../..<SD-Card>/._system.dat
  • sh -c echo QjU4NUVFQTBCMEQ3MkI1Mzg5QjM5ODQ1MzQ1NUNFMDMzQzdBQjU6ODg2Qzc4OjI3RERDMw== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_system.dat
  • sh -c echo QkMwNkE5OTdDREFENTAwMzQ3QjVDRkExQzMwN0YxMEYxNTUxNDk4NzE2 > <SD-Card>/../../../../../..<SD-Card>/..cvtid
  • sh -c echo QkMwNkE5OTdDREFENTAwMzQ3QjVDRkExQzMwN0YxMEYxNTUxNDk4NzE2 > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/.cvtid
  • sh -c echo RTM4OUIxMkRDQUJDMzI4MUM5NDA5Q0Y1MzBGN0ZBMEMzNWQ5MGQzNGNjNzQ0ODg3ODY3MmYyMDg2YTc0NjQzYQo= > <SD-Card>/../../../../../..<SD-Card>/.duid
  • sh -c echo RTM4OUIxMkRDQUJDMzI4MUM5NDA5Q0Y1MzBGN0ZBMEMzNWQ5MGQzNGNjNzQ0ODg3ODY3MmYyMDg2YTc0NjQzYQo= > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/duid
  • sh -c echo RkQxODlGOEE4RTk3MjE2MkQ3MTI3RTJENUVEM0RENDUwMDBB > <SD-Card>/../../../../../..<SD-Card>/.n_c
  • sh -c echo RkQxODlGOEE4RTk3MjE2MkQ3MTI3RTJENUVEM0RENDUwMDBB > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/n_c
Loads the following dynamic libraries:
  • Bugly
  • du
  • getuiext2
  • libjiagu957416492
Uses the following algorithms to encrypt data:
  • AES-CBC-PKCS5Padding
  • AES-CBC-PKCS7Padding
  • AES-CFB-NoPadding
  • AES-ECB-PKCS5Padding
  • AES-GCM-NoPadding
  • RSA
  • RSA-ECB-PKCS1Padding
  • RSA-NONE-OAEPWithSHA1AndMGF1Padding
Uses the following algorithms to decrypt data:
  • AES-CBC-PKCS5Padding
  • AES-CBC-PKCS7Padding
  • AES-ECB-PKCS5Padding
  • AES-GCM-NoPadding
  • desede-CBC-NoPadding
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.

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
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After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

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