Seeing a new bot in the logs: ru_com_viewer
I can only guess that this is something that fetches pages for viewing by Russian users based on "ru" but that's only a guess.
This bot is using the larbin web crawler.
We'll see if they obey robots.txt or not.
Coming from Vrtservers network:
OrgName: Vrtservers, Inc
Address: 801 S. Grand Ave #1204
City: Los Angeles
NetRange: 126.96.36.199 - 188.8.131.52