TL; DR: Vidar is infostealer malware operating on the principle of "malware-as-a-service", which was first detected in 2018. Vidar stealer is capable of gathering a wide range of sensitive data from browsers and digital wallets.
Type: Information stealer
Targeted Operating Systems: Windows
Interesting characteristics: Used as a loader for different other threats (ransomware etc.)
Threat tag: win.vidar
Reporting: https://malpedia.caad.fkie.fraunhofer.de/details/win.vidar
https://www.team-cymru.com/post/darth-vidar-the-dark-side-of-evolving-threat-infrastructure