MosaicLoader - Once planted on the system, the malware creates a complex chain of processes and tries to download a variety of threats, from simple cookie stealers, crypto-currency miners to fully-fledged backdoors such as Glupteba.
https://www.bitdefender.com/files/News/CaseStudies/study/400/Bitdefender-PR-Whitepaper-MosaicLoader-creat5540-en-EN.pdf
Comme le soleil, les machines ne se couchent jamais.