Sure it's possible. Well, you wouldn't receive exactly an INI file, it's a little more complicated - we have purchased a special software for the translation of the resources. So, you would receive a special bundle that can be translated using a special (free) software.
Another question is the translation of help files (they're in HTML and TXT format).
A number of translations are still in progress (even though it may not appear so, translating avast! is a lot of work, so it can take quite a lot of time if you don't do it as your full time job, which you probably don't
Any particular language you are interested in?