One of the longest-running and more lethal malware strains has once again returned on the scene. Called Emotet, it started out life as a simple banking Trojan when it was created back in 2014 by a hacking group that goes by various names, including TA542, Mealybug and MUMMY SPIDER. What made Emotet interesting was its well-crafted obfuscation methods. Proofpoint posted this timeline:
Over the years, it has had some very clever lures, such as sending spam emails containing either a URL or an attachment, and purport to be sending a document in reply to existing email threads.
You can read more on Avast’s blog here.
More research on Emotet and some tools to stop it here: https://blog.avast.com/emotet-botnet-japan