keyplyr - 7:42 pm on Jun 7, 2013 (gmt 0)
The Ukraine bot is new to me. Since the spelling changes, it may be an experiment and might not stay around long, or might change names again.
It appears your UA switching visitor is from:
220.127.116.11 - 18.104.22.168
which I block along with all the other ranges from this hosting company.