Well, what u can do.
If u gona ''take'' and not ''buy'' that program, download http://www.sandboxie.com/ , install it.
Get the file on the desktop, click on that ''autoclicker'' with right click and you'll see a option with ''Run With sandboxie'' Or ''Run sandboxied''
If you see anything poping up, just delete the file.
( Sandboxie is like a virtual driver, you open it in a ''void'' where nothing can escape from there )
Then use a AV, I'd suggest you MBAM/Kaspersky, if u got a good machine.
MBAM http://download.cnet.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html
About Kaspersky, you'll have to find it from a torrent.
Peace