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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.Locker.4058

Added to the Dr.Web virus database: 2017-04-29

Virus description added: 2017-04-29

Technical information

Malicious functions:

Blocks access to graphical screen interface

Modified file system:

Creates the following files:

/data/data/####/.jiagu/libjiagu.so

Miscellaneous:

Executes next shell scripts:

chmod 755 /data/data/####/.jiagu/libjiagu.so
mv /data/app/####-2.apk /system/app/
chmod 644 /system/app/####-1.apk
chmod 644 /system/app/####-2.apk
mount -o rw,remount /systemmount -o rw,remount /system/apprm /data/app/####-1.apk
su
sh
/system/bin/app_process /system/bin com.android.commands.am.Am start -n com.android.settings/com.android.settings.cyanogenmod.superuser.RequestActivity --es socket /dev/com.android.settings/.socket2102 --user 0
rm /data/app/####-2.apk
mount -o remount,ro -t yaffs2 /dev/block/mtdblock3 /system
/system/bin/app_process /system/bin com.android.commands.am.Am start -n com.android.settings/com.android.settings.cyanogenmod.superuser.RequestActivity --es socket /dev/com.android.settings/.socket2148 --user 0
/system/bin/app_process /system/bin com.android.commands.am.Am broadcast -n com.android.settings/com.android.settings.cyanogenmod.superuser.SuReceiver --ei binary_version 16 --es from_name u0_a44 --es desired_name --ei uid 10044 --ei desired_uid 0 --es c

Uses elevated priveleges.

Uses special library to hide executable bytecode.

Contains functionality to send SMS messages automatically.

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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