LOL....... Nice try Riot.
Edit: Oh shit, apparently someone got access to the BOL servers or whatever and got all the people who used this program.
Did some research and this is the "leaked usernames"
https://raw.******userconten*****m/Sn...er/Players.php
Edit #2 - A top developer at BoL just leaked over 130k accounts that used the program from 2012-2014