What is the trick with c:\program?

Question

Hi Guys,
I found that taking any exe file, renaming it to program (without extension) and putting it in C:\ root folder might cause strange things in windows like showing this application when other programs start.
What is it? is it some kind of backdoor?

p.s if you restart windows after doing so - you get a warning about it.

thanks, Adi Barda

Answer 1

Maybe the fact that some programs don't know how to access C:/Program Files/. because it has a space. Then they are trying to execute C:/program, which in your case turns out to be the file you created.