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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.Xiny.1256

Added to the Dr.Web virus database: 2018-03-21

Virus description added: 2018-03-21

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Xiny.1.origin
Android.Xiny.231.origin

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ali.f####.cdn.####.com:80
TCP(HTTP/1.1) r1.b####.co:80
TCP(HTTP/1.1) ea.sno####.1####.com:18088
TCP(HTTP/1.1) en.sno####.1####.com:8088
TCP(TLS/1.0) api-####.coo####.org:443

DNS requests:

ali.f####.cdn.####.com
api-####.coo####.org
ea.sno####.1####.com
en.sno####.1####.com
r1.b####.co
r1.s####.co
r1.x####.co

HTTP GET requests:

ali.f####.cdn.####.com/2018/03/16/195816662.zip
r1.b####.co/c/d_ab
r1.b####.co/de
r1.b####.co/v1/c/sf

HTTP POST requests:

ea.sno####.1####.com:18088/ping
ea.sno####.1####.com:18088/sdk/api/msg/error
ea.sno####.1####.com:18088/sdk/api/regclient
en.sno####.1####.com:8088/sdk/api/ad/hull_v2
en.sno####.1####.com:8088/sdk/api/log/record

Modified file system:

Creates the following files:

/data/data/####/aybsng
/data/data/####/com.android.sdk.zip
/data/data/####/com.android.sdk.zip (deleted)
/data/data/####/com.android.sdk_preferences.xml
/data/data/####/coolook_bk.db
/data/data/####/coolook_bk.db-journal
/data/data/####/coolook_sdk.xml
/data/data/####/dat_v22h2.dat
/data/data/####/db_snowfox.db
/data/data/####/db_snowfox.db-journal
/data/data/####/lib_v22h2.dat
/data/data/####/mesosphere_v22h2.jar
/data/data/####/qvqtqk
/data/data/####/servi
/data/data/####/sf_file_provider.dat
/data/data/####/snowfox_mid_v22h2.so
/data/data/####/snowfox_sdk_so-v22h2.jar
/data/data/####/snowfox_v22h2.jar
/data/data/####/snowfox_v22h2.so
/data/data/####/snowfoxad_msg.db
/data/data/####/snowfoxad_msg.db-journal
/data/data/####/snowfoxprf.xml
/data/data/####/sp_cache.xml
/data/data/####/sp_cache.xml.bak (deleted)
/data/data/####/webview.db-journal
/data/media/####/.nomedia
/data/media/####/dev_a248e7f8.txt
/data/media/####/imei.txt
/data/media/####/pid

Miscellaneous:

Executes next shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
app_process /system/bin com.android.commands.am.Am startservice --user 0 -n <Package>/com.coolook.backupr.init.CkBackupService
chmod 777 <Package Folder>/servi
dd if=<Package Folder>/lib/libservi.so of=<Package Folder>/servi
sh

Loads the following dynamic libraries:

qvqtqk
servi

Uses the following algorithms to encrypt data:

AES-ECB-PKCS5Padding

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding

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

Gains access to information about installed applications.

Displays its own windows over windows of other applications.

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.

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