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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.Packed.21497

Added to the Dr.Web virus database: 2017-05-14

Virus description added: 2017-05-15

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.DownLoader.192.origin

Network activity:

Connecting to:

s####.####.cn

HTTP POST requests:

s####.####.cn/ncp.action?requestId=####

Modified file system:

Creates the following files:

/data/data/####/shared_prefs/ki.xml
/sdcard/Download/cxc/time.dat
/data/data/####/.lib/libexec.so
/data/data/####/shared_prefs/ktplay.xml.bak
/sdcard/Android/data/####/files/logo.png
/data/data/####/shared_prefs/vgp_id.xml.bak
/sdcard/Android/data/####/files/id
/sdcard/Android/data/.nomedia
/data/data/####/shared_prefs/configo.xml
/sdcard/Android/data/code/CX.DAT
/data/data/####/shared_prefs/configo.xml.bak
/data/data/####/databases/cxcdownloads-journal
/data/data/####/shared_prefs/vgp_id.xml
/sdcard/.android/files3/com.sss.tg.j.dex
/data/data/####/shared_prefs/ktplay.xml
/sdcard/Android/####/z.jar
/sdcard/ktplay/d
/data/data/####/.lib/libexecmain.so
/data/data/####/databases/cxcdownloads
/data/data/####/databases/Downloado-journal

Miscellaneous:

Executes next shell scripts:

/system/bin/dexopt --dex 27 50 40 174288 /storage/emulated/0/.android/files3/com.sss.tg.j.dex 1192783522 -1396657877 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /system/framew
getprop ro.product.cpu.abi
/system/bin/dexopt --dex 27 42 40 4080 /data/app/####-1.apk 1193838296 -592638020 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /system/framework/framework.j
/system/bin/dexopt --dex 27 45 40 319080 /storage/emulated/0/Android/####/z.jar 1188134928 -1500452642 45 /system/framework/core.jar /system/framework/core-junit.jar /system/framework/bouncycastle.jar /system/framework/ext.jar /system/

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.

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