decrypt.cs

using System;
using System.Security.Cryptography;
using System.Text;

namespace Decrypt1
{
  internal class Program
  {
    static void Main(string[] args)
    {
        String encrypted = "AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAHnJUJMzxl0SsX3UmD125BgAAAAACAAAAAAADZgAAwAAAABAAAADFExkhEfZC4H/ihdggYnqdAAAAAASAAACgAAAAEAAAAOicOrdGTwNyMWmK9nGn9GAoAAAAxRrplRayrHN3DBES8AeBk3N4XxOWqwimENqsUZYVKjO9GEOcWRdj6hQAAAA36KX8GeZaKkgMKCcFOLVuZGkENA==";
        byte[] encryptedText = Convert.FromBase64String(encrypted);
        byte[] originalText = ProtectedData.Unprotect(encryptedText, { 1, 2, 3, 4, 5, 6}, DataProtectionScope.CurrentUser);
        Console.WriteLine("{0}", Encoding.Unicode.GetString(originalText));
    }
  }
}