Change File Extension Easy (Make .exe Look Like a .jpeg, .mp3)

In this tutorial, I will show you how to make your .exe (or .com/.scr) files look like .jpeg/.mp3 or any other filetype. By normally changing the extension to e.g .mp3, your file will be corrupted, but with this exploit your file will still be executable.

So for example lets say, you have created a file server.exe using keylogger, but you want it to look like a mp3 file, so people would run it. In this case, you should change the .exe to .scr to make it look more legit in the end.

Follow the steps given bellow:

  • Lets say we have server.exe, now, rename your server.scr (which is still executable) to "songname uploaded by .SCR" (notice the space). 

  • Now, it's time to use the exploit! Open up the Character Map.
  • Scroll down and find the "U+202E: Right-To-Left Override" character in Character Map.
Click "Select" and then "Copy".

  • Now choose to rename your file, and paste the copied character right before the ".SCR" (press ctrl+v to paste)

  • Then type "3pm" (without the " ") and press Enter. Now it should look like this:

  • Done! Obviously you might want to change the icon to look like an mp3 before doing this..

Most browsers have patched this, but it can be used on IM's like MSN or Yahoo Messenger. To upload the file to a filehost, you need to make a .rar file with your server inside.

Now, go ahead and mix around with .exe/.scr/.com and the fake-extensions to find some other legit-looking combinations!

I hope this file extension changing tutorial will be useful for you. If you have any problem in this file extension changing tutorial, please mention it in comments bellow.

Do you have questions, comments, or suggestions? Feel free to post a comment! 

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Saint Andrew is a computer science student. Saint Andrew is a founder of the blog Saint Andrew's Hacking Paradise.

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