I was still using FileZilla until very recently without issue. However, I've also switched to WinSCP for the same reasons: adware. That's a very recent change, and I'm highly disappointed that it's gone down that route.
Another awesome feature of WinSCP is, of course, SCP, which is part of the SSH suite so it encrypts everything that is transfered (including username/password). Also means you don't have to install extra unnecessary services since it essentially uses SSH
Wow! Thanks for all the great 411. I downloaded, installed and set up WinSCP in five minuets and logged on to my server and installed a new addon that I got from @AndyB . FileZilla Yek! Thanks everyone for turning me on to WinSCP it's great.