It's loosely affiliated (or was anyway) with the 764/com groups that were in the news a little while back, and linked to MKY, a Russian terror group.

M. A. Argentino has good articles about this set:

https://www.maargentino.com/nihilism-and-misanthropy-unleash...

764 members have been getting arrested periodically. One was arrested earlier in December:

https://cyberscoop.com/baron-martin-arrested-for-child-abuse...