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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

Adware.Gexin.5805

Added to the Dr.Web virus database: 2018-12-04

Virus description added: 2018-12-04

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(TLS/1.0) ebf3ee5####.bug####.com:443

DNS requests:

ebf3ee5####.bug####.com

File system changes:

Creates the following files:

/data/data/####/e64f08a45a76b4eea5d0bb491f9bf1c0.0.tmp
/data/data/####/e64f08a45a76b4eea5d0bb491f9bf1c0.1.tmp
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/multidex.version.xml

Miscellaneous:

Executes the following shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu.so
logcat -v time -t 500 2287
logcat -v time -t 500 2325
logcat -v time -t 500 2359
logcat -v time -t 500 2395
logcat -v time -t 500 2438
logcat -v time -t 500 2472
logcat -v time -t 500 2519
logcat -v time -t 500 2553
logcat -v time -t 500 2587
logcat -v time -t 500 2631
logcat -v time -t 500 2665
logcat -v time -t 500 2699
logcat -v time -t 500 2744
logcat -v time -t 500 2778
logcat -v time -t 500 2812
logcat -v time -t 500 2857
logcat -v time -t 500 2891
logcat -v time -t 500 2925
logcat -v time -t 500 2969
logcat -v time -t 500 3003
logcat -v time -t 500 3037
logcat -v time -t 500 3081
logcat -v time -t 500 3115
logcat -v time -t 500 3149
logcat -v time -t 500 3193
logcat -v time -t 500 3227
logcat -v time -t 500 3261
logcat -v time -t 500 3305
logcat -v time -t 500 3339
logcat -v time -t 500 3384
logcat -v time -t 500 3428
logcat -v time -t 500 3462
logcat -v time -t 500 3496
logcat -v time -t 500 3545
logcat -v time -t 500 3579
logcat -v time -t 500 3613
logcat -v time -t 500 3657
logcat -v time -t 500 3691
logcat -v time -t 500 3725
logcat -v time -t 500 3769
logcat -v time -t 500 3803
logcat -v time -t 500 3837
logcat -v time -t 500 3882
logcat -v time -t 500 3916
logcat -v time -t 500 3950
logcat -v time -t 500 3994
logcat -v time -t 500 4028
logcat -v time -t 500 4062
logcat -v time -t 500 4106

Loads the following dynamic libraries:

Bugtags
LanSongffmpeg
libjiagu

Uses special library to hide executable bytecode.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Curing recommendations

If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.

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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

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Download by serial number

Download on App Store

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

If the mobile device is operating normally, download and install Dr.Web for Android. 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 for Android 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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