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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.1220

Added to the Dr.Web virus database: 2018-05-02

Virus description added: 2018-05-02

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.613.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ji####.jieme####.com:8152
TCP(HTTP/1.1) a.api-####.com:8190
TCP(HTTP/1.1) sdk.api.zhifa####.net:10201
TCP(HTTP/1.1) 1####.75.56.106:10201
TCP(HTTP/1.1) v####.api.eeric####.com:80
TCP(HTTP/1.1) nm.a####.com:80
TCP(HTTP/1.1) www.palmfun####.cn:80
TCP(HTTP/1.1) 1####.159.152.136:8090
TCP(HTTP/1.1) i####.api.zhifa####.net:10001
TCP(HTTP/1.1) 1####.159.103.205:8090
TCP(HTTP/1.1) wn.zhifa####.net.####.net:80
TCP(HTTP/1.1) p1.i####.cc:80
TCP(HTTP/1.1) c####.api.zhifa####.net:10101
TCP(HTTP/1.1) gdv.a.s####.com:80
TCP(HTTP/1.1) 1####.129.132.111:8001
TCP(HTTP/1.1) i####.api.zhifa####.net:10003

DNS requests:

a.api-####.com
b.api-####.com
c####.api.zhifa####.net
i####.api.zhifa####.net
i####.api.zhifa####.net
ji####.dl####.com
ji####.jieme####.com
l####.i####.cc
p1.i####.cc
pv.s####.com
sdk.api.zhifa####.net
v####.api.eeric####.com
wn.zhifa####.net
www.palmfun####.cn

HTTP GET requests:

a.api-####.com:8190/sunnyinit302?channel=####&imsi=####&calltime=####&ca...
a.api-####.com:8190/turnon302?cpid=####&packagename=####
gdv.a.s####.com/cityjson?ie=####
nm.a####.com/jieplginfe23/wchenhddat23
wn.zhifa####.net.####.net/update/up01036465_66

HTTP POST requests:

c####.api.zhifa####.net:10101/v2/order/get?app_id=####&t=####
c####.api.zhifa####.net:10101/v2/splog/config?app_id=####&t=####
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:10003/v2/chis
ji####.jieme####.com:8152/ryf_webserver/payment/checkupdate.html
p1.i####.cc/index.php/MC/HB
p1.i####.cc/index.php/MC/LP
p1.i####.cc/index.php/MC/RP
p1.i####.cc/index.php/MC/UPM
sdk.api.zhifa####.net:10201/v2/sdk/report?app_id=####&t=####
v####.api.eeric####.com/api/payment/mobileInit.html
v####.api.eeric####.com/api/payment/payDynamic.html
www.palmfun####.cn/fee/active
www.palmfun####.cn/fee/code
www.palmfun####.cn/fee/searchpc

Modified file system:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.fb
/data/data/####/.fb-journal
/data/data/####/.jg.ic
/data/data/####/347781996620052-journal
/data/data/####/92n5f0v0E246w6b9x991z8v797b433.xml
/data/data/####/MySms.xml
/data/data/####/base2121.jar
/data/data/####/com.ljy.flashlight.com.sdk.a.a_mseg.db
/data/data/####/com.ljy.flashlight.com.sdk.a.a_mseg.db-journal
/data/data/####/com.ljy.flashlight.xml
/data/data/####/config50325.xml
/data/data/####/config50325.xml.bak (deleted)
/data/data/####/jiepay_config.xml
/data/data/####/jiepayplugin.apk
/data/data/####/jiepayplugin.apkdata
/data/data/####/jy_dex_cnf.xml
/data/data/####/libjiagu-871349188.so
/data/data/####/new_md.jar
/data/data/####/p2_call.xml
/data/data/####/p2_data.xml
/data/data/####/p2_edition.xml
/data/data/####/p2_epay_db
/data/data/####/p2_epay_db-journal
/data/data/####/p2_epay_share.xml
/data/data/####/ppj.jar
/data/data/####/pz_sharedpre_cmreaderlogininfo.xml
/data/data/####/up01036465_66
/data/data/####/up01036465_66.jar
/data/data/####/webview.db-journal
/data/data/####/wyzf_configcom.yf.y.f.init.util.e.xml
/data/data/####/wyzf_configcom.yf.y.f.init.util.e.xml.bak
/data/data/####/yf.apk

Miscellaneous:

Executes next 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
cat /proc/cpuinfo
chmod 755 <Package Folder>/.jiagu/libjiagu-871349188.so

Loads the following dynamic libraries:

libjiagu-871349188

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
DES
DES-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
DES
DES-CBC-PKCS5Padding

Uses special library to hide executable bytecode.

Gains access to camera interface.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Displays its own windows over windows of other applications.

Parses information from SMS messages.

Gains access to information about incoming/outgoing calls.

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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