Earlier this year, in one of our blog posts we covered GuLoader, a downloader outfitted with advanced anti-analysis techniques that has delivered FormBook, NanoCore, LokiBot, and Remcos among others. Recently, we’ve observed GuLoader delivering AZORult. Active for many years, AZORult is an information stealer that has seen many iterations and
Editor’s Note: This blog post was updated on August 10, 2020. Over the last couple of months, we observed a new downloader called GuLoader (also known as CloudEyE) that has been actively distributed in 2020. In contrast to prototypical downloaders, GuLoader is known to use popular cloud services such as

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