TROJ_RANSOM.USR

Instalación

Este malware infiltra el/los siguiente(s) archivo(s)/componente(s):

• %System Root%\msg.exe
• %System Root%\КАК_РАСШИФРОВАТЬ_ФАЙЛЫ.txt

(Nota: %System Root% es la carpeta raíz, normalmente C:\. También es la ubicación del sistema operativo).

Otras modificaciones del sistema

Agrega las siguientes entradas de registro como parte de la rutina de instalación:

HKEY_CLASSES_ROOT\.ACCDB
{Default} = "msg"

HKEY_CLASSES_ROOT\.DOCX
{Default} = "msg"

HKEY_CLASSES_ROOT\.XLSX
{Default} = "msg"

HKEY_CLASSES_ROOT\msg\shell\
open\command
{Default} = ""%System Root%\msg.exe" "%1""

HKEY_CLASSES_ROOT\.psd
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.7Z
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.ACCDB
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.DOC
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.DOCX
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.GIF
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.JPG
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.MDB
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.PDF
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.PNG
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.PSD
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.RTF
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.RAR
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.XLS
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.XLSX
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.XML
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
.ZIP
{Default} = "msg"

HKEY_CURRENT_USER\Software\Classes\
msg\shell\open\
command
{Default} = ""%System Root%\msg.exe" "%1""

Agrega las siguientes claves de registro como parte de la rutina de instalación:

HKEY_CLASSES_ROOT\.ACCDB

HKEY_CLASSES_ROOT\.DOCX

HKEY_CLASSES_ROOT\.XLSX

HKEY_CLASSES_ROOT\msg

HKEY_CLASSES_ROOT\msg\shell

HKEY_CLASSES_ROOT\msg\shell\
open

HKEY_CLASSES_ROOT\msg\shell\
open\command

HKEY_CURRENT_USER\Software\Classes\
.7Z

HKEY_CURRENT_USER\Software\Classes\
.ACCDB

HKEY_CURRENT_USER\Software\Classes\
.DOC

HKEY_CURRENT_USER\Software\Classes\
.DOCX

HKEY_CURRENT_USER\Software\Classes\
.GIF

HKEY_CURRENT_USER\Software\Classes\
.JPG

HKEY_CURRENT_USER\Software\Classes\
.MDB

HKEY_CURRENT_USER\Software\Classes\
.PDF

HKEY_CURRENT_USER\Software\Classes\
.PNG

HKEY_CURRENT_USER\Software\Classes\
.PSD

HKEY_CURRENT_USER\Software\Classes\
.RAR

HKEY_CURRENT_USER\Software\Classes\
.RTF

HKEY_CURRENT_USER\Software\Classes\
.XLS

HKEY_CURRENT_USER\Software\Classes\
.XLSX

HKEY_CURRENT_USER\Software\Classes\
.XML

HKEY_CURRENT_USER\Software\Classes\
.ZIP

HKEY_CURRENT_USER\Software\Classes\
msg

HKEY_CURRENT_USER\Software\Classes\
msg\shell

HKEY_CURRENT_USER\Software\Classes\
msg\shell\open

HKEY_CURRENT_USER\Software\Classes\
msg\shell\open\
command

Modifica las siguientes entradas de registro:

HKEY_CLASSES_ROOT\.7Z
{Default} = "msg"

(Note: The default value data of the said registry entry is "WinRAR".)

HKEY_CLASSES_ROOT\.doc
{Default} = "msg"

(Note: The default value data of the said registry entry is "Word.Document.8".)

HKEY_CLASSES_ROOT\.gif
{Default} = "msg"

(Note: The default value data of the said registry entry is "giffile" .)

HKEY_CLASSES_ROOT\.jpg
{Default} = "msg"

(Note: The default value data of the said registry entry is "jpegfile" .)

HKEY_CLASSES_ROOT\.mdb
{Default} = "msg"

(Note: The default value data of the said registry entry is "Access.Application.11".)

HKEY_CLASSES_ROOT\.pdf
{Default} = "msg"

(Note: The default value data of the said registry entry is "AcroExch.Document".)

HKEY_CLASSES_ROOT\.png
{Default} = "msg"

(Note: The default value data of the said registry entry is "pngfile".)

HKEY_CLASSES_ROOT\.RAR
{Default} = "msg"

(Note: The default value data of the said registry entry is "WinRAR" .)

HKEY_CLASSES_ROOT\.rtf
{Default} = "msg"

(Note: The default value data of the said registry entry is "Word.RTF.8".)

HKEY_CLASSES_ROOT\.xls
{Default} = "msg"

(Note: The default value data of the said registry entry is "Excel.Sheet.8".)

HKEY_CLASSES_ROOT\.xml
{Default} = "msg"

(Note: The default value data of the said registry entry is "xmlfile".)

HKEY_CLASSES_ROOT\.zip
{Default} = "msg"

(Note: The default value data of the said registry entry is "WinRAR.ZIP".)