This file is part of the Web Cake web browser extension, an adware plugin for various web browsers designed to deliver context based advertising injected directly in the web pages a user is viewing as well opens advertisements that appear independently outside the context of the program, website, or other source the advertisements are promoting. The file Desktop.OS.dll by Web Cake has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is part of the Yontoo web-extension that injects advertisements in the browser.