> When the team sequenced its genome, none of its genes matched any scientists had come across before, the group reports on the bioRxiv preprint server.
https://www.biorxiv.org/content/10.1101/2020.01.28.923185v1....
> Some of Yaravirus’s genes look like those in a giant virus, but it’s still unclear how the two are related, Abrahão says. He and his colleagues are still investigating other aspects of the novel virus’s lifestyle.
I don't know enough about this stuff to comment coherently. Last I knew, it wasn't clear whether viruses were remnants of prebiotic stuff, or derived from cellular organisms, or some of each.