Dark patterns utilize interface elements to trick users into performing unwanted actions. Online shopping websites often employ these manipulative mechanisms so as to increase their potential customer base, to boost their sales, or to optimize their advertising efforts. Although dark patterns are often successful, they clearly inhibit positive user experiences. Particularly, with respect to customers perceived annoyance and trust put into a given brand, they may have negative effects. To investigate respective connections between the use of dark patterns, users perceived level of annoyance and their expressed brand trust, we conducted an experiment-based survey. We implemented t