The only plugin that comes up in a repository-search using 'forest', is Displet Theme Code Helper, which aims to fix a specific code-problem that is propagated in themes distributed mainly through Theme Forest.

The plugin page prominently cites an article by Andy Stratton, about the problem. An eye-opening read.

It's possible that Theme Forest, and Envato, are not directly to blame for much of what happens on their watch ... any more than WP-ABTesting was to blame when they made use of Theme Forest products.

Instead, these guys may be victims of their business-model (using 'victim' loosely). Theme Forest distributes over 10,000 themes & templates, from wherever & whoever ... and obviously they can do little effective checking & vetting, either of the products, or the entities behind them.

It becomes basically inevitable, that with no control over anyone or anything, first the noxious stuff will creep in, and then discovering a happy home, will deliberately seek an accommodating shelter.

The first thing about Microlancer, is going to be that they are Envato.