This article aims to analyze the financing models for disinformation websites in Brazil. To this end, it develops a theoretical and analytical framework based on studies of the political economy of communication, journalism and disinformation. We created a codebook with five dimensions and applied it to a sample of 55 websites. The results indicate the dependence on programmatic advertising infrastructures, especially Google AdSense. At the end, we debate the findings with specialized literature and point out paths for future studies.