The easiest way is for her to file the uncontested divorce here in the states. If you attempt to file in Ecuador, the US may or may not accept the divorce decree.
If its uncontested she can do it herself, I used a document prep service. They’ll prepare the docs, then she’ll file them and serve you. You’ll sign them, return them to the court and wait for the final divorce decree.

As long as the divorce is uncontested, this site is the best way to get your divorce done quickly, cheaply, and efficiently. It walks you through the whole process.

i thought a year ago you were with your wife complaining about your inlaws?

get a lawyer and let them handle it,
if she agrees which i think she will it will all be over in no time.