Themida is protection system by Oreans Technologies, used to protect AnyMem from hacking. This is not a virus. Most likely, your Anti-Virus database does not contain signatures of the latest Themida versions.

We assure you that all the files on our download servers are thoroughly tested for viruses. You can always download the latest AnyMem build using the following link: http://download.anymem.com/AnyMem2Setup.exe

If the problem persists, please add AnyMem to your AV exceptions list.

You can find out more about the program here: https://www.anymem.com