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アンチウイルスに関する誤解と噂

アンチウイルスに関する誤解

ニュース

Android.Backdoor.1500

Added to the Dr.Web virus database: 2018-08-05

Virus description added: 2018-08-05

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.613.origin
Android.DownLoader.691.origin
Android.Xiny.1513

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) 1####.55.93.104:9004
TCP(HTTP/1.1) v####.api.eeric####.com:80
TCP(HTTP/1.1) i####.api.zhifa####.net:10201
TCP(HTTP/1.1) top.p####.net.####.com:80
TCP(HTTP/1.1) i####.api.zhifa####.net:10001
TCP(HTTP/1.1) wn.qiazhiw####.cn.####.net:80
TCP(HTTP/1.1) i####.api.zhifa####.net:10002
TCP(HTTP/1.1) gdv.a.s####.com:80
TCP(HTTP/1.1) 88####.net:88
TCP(HTTP/1.1) p4####.b0.upa####.com:80

DNS requests:

88####.net
i####.api.zhifa####.net
i####.api.zhifa####.net
p4####.b0.upa####.com
pv.s####.com
re####.api.zhifa####.net
sdk.api.zhifa####.net
top.p####.net
v####.api.eeric####.com
wn.qiazhiw####.cn
www.3####.com

HTTP GET requests:

88####.net:88/game/cof.do?k=####
gdv.a.s####.com/cityjson?ie=####
p4####.b0.upa####.com/web/ng/201805/787/c/icon.png
p4####.b0.upa####.com/web/ng/201805/787/c/pic0.jpg
top.p####.net.####.com/ng/201612/111/c/icon.jpg
top.p####.net.####.com/ng/201612/111/c/pic0.jpg
top.p####.net.####.com/ng/201612/117/c/icon.jpg
top.p####.net.####.com/ng/201612/117/c/pic0.png
top.p####.net.####.com/ng/201706/321/c/icon.png
top.p####.net.####.com/ng/201706/321/c/pic0.jpg
wn.qiazhiw####.cn.####.net/update/up01036465_66

HTTP POST requests:

88####.net:88/game/centerbanner2.do?ver=####
88####.net:88/game/open.do
88####.net:88/game/start.do?ver=####
i####.api.zhifa####.net:10001/v2/adconfig/get?app_id=####&t=####
i####.api.zhifa####.net:10001/v2/bag/monitor?app_id=####&t=####
i####.api.zhifa####.net:10001/v2/sdk/init?app_id=####&t=####
i####.api.zhifa####.net:10001/v2/update/check?app_id=####&t=####
i####.api.zhifa####.net:10002/v2/callback/message?app_id=####&t=####
i####.api.zhifa####.net:10201/v2/sdk/report?app_id=####&t=####
v####.api.eeric####.com/api/payment/mobileInit.html
v####.api.eeric####.com/api/payment/updateinit_v2

Modified file system:

Creates the following files:

/data/data/####/.jar
/data/data/####/.jg.ic
/data/data/####/config50120.xml
/data/data/####/libjiagu-753031337.so
/data/data/####/new_md.jar
/data/data/####/onib_clz.jar
/data/data/####/pay_plg.jar
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/shunpay_config
/data/data/####/twsdk.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/up01036465_66
/data/data/####/up01036465_66.jar
/data/data/####/userData.xml
/data/data/####/userDatas.xml
/data/data/####/webview.db-journal
/data/data/####/xUM.rpFhMEX.wcWJ.com.sdk.db.DBHelper_msegpay.db
/data/data/####/xUM.rpFhMEX.wcWJ.com.sdk.db.DBHelper_msegpay.db-journal
/data/data/####/xUM.rpFhMEX.wcWJ.xml
/data/data/####/xUM.rpFhMEX.wcWJ_preferences.xml
/data/media/####/07083c262dd4d9a0122fd4fa31d9956d.cach
/data/media/####/20f13866820b989138d0169a6eb17044.cach
/data/media/####/38c7d4e2fdaff8caa8ffbd109284d67c.cach
/data/media/####/43e8092717b480ff840cf7fc7470501f.cach
/data/media/####/953650ae19be00049fdc8726d17151d9.cach
/data/media/####/b9322b83fc3f0cf842f60d262c1cff83.cach
/data/media/####/d546ba3419abfdb4ea64a5653892618b.cach
/data/media/####/fcdd8500d03d4fa4e9c55cff27e9028c.cach
/data/media/####/xUM.rpFhMEX.wcWJ_250026699187743_20180805_pay.log

Miscellaneous:

Executes next shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu-753031337.so

Loads the following dynamic libraries:

gdx
libjiagu-753031337
shunpay

Uses the following algorithms to encrypt data:

DES
DES-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES
DES
DES-CBC-PKCS5Padding

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 running applications.

Displays its own windows over windows of other applications.

Parses information from SMS messages.

Gains access to information about sent/received SMS messages.

Curing recommendations

Android

If the mobile device is operating normally, download and install Dr.Web for Android Light. Run a full system scan and follow recommendations to neutralize the detected threats.
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 для Android Light 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.

Find out more about Dr.Web for Android

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