The Doghouse: ExeShield
Yes, there are companies that believe that keeping cryptographic algorithms secret makes them more secure.
ExeShield uses the latest advances in software protection and encryption technology, to give your applications even more protection. Of course, for your security and ours, we won’t divulge the encryption scheme to anyone.
If anyone reading this needs a refresher on exactly why secret cryptography algorithms are invariably snake oil, I wrote about it three years ago.