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Trojan.Kuriyama.1

Aggiunto al database dei virus Dr.Web: 2017-12-22

La descrizione è stata aggiunta:

SHA1:

  • SHA1: 22b241b39c7e28dc15556d3da7e3a854c4e9219e

A multifunctional Trojan for devices running Microsoft Windows, created using .NET Framework, packed with themida. It uses the website telegra.ph as a command and control server. For its autorun, the Trojan uses the Windows Task Scheduler.

The Trojan can determine attempts of its launch on the virtual machine: for this purpose, it sends a request to Windows Management Instrumentation (WMI), which looks as follows: * from Win32_ComputerSystem” and checks that:

  • The value Manufacturer adjusted to a lower case contains “vmware”;
  • The value Manufacturer adjusted to the lower case matches with “microsoft corporation” and the value Model adjusted to an upper case contains “VIRTUAL”;
  • The value Model contains “VirtualBox”;
  • The malicious program checks all returned objects for a match of a parameter name with a string “HypervisorPresent”.

The Trojan also checks the availability of the following modules loaded into the process:

  • cmdvrt32.dll
  • SxIn.dll
  • SbieDll.dll
  • Sf2.dll
  • snxhk.dll

The Trojan has the following functional possibilities:

  • Execution of DDoS attacks (HTTP, UDP);
  • Search for files on the C drive;
  • Creation of files;
  • File downloading;
  • Upload of files to a remote server;
  • Execution of commands on an infected machine;
  • Creation of the indicated registry key;
  • Check for the availability of a running process with the indicated name.

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.
Download Dr.Web

Download by serial number

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.

Download Dr.Web

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