The XVM display options in-game are found here in the modpack setup:
The choice selected displays THIS in the upper right side of the screen.
To see other options, select the "Show Description" button at the bottom of the installer window.
Wasn't a mistaken increase, but a troll increase to annoy stat-padders, hehe.
That mod updates it's values automatically from the wnexpected website, as far as I understood it.. so, you'll just have to wait, I think.
I'm fairly sure many people have gotten it while playing the Assault game-mode.
Since it doesn't require you to kill the last 5, just be alive alone while 5 enemies are alive, and win the game. And time running out = win, for a defending team in Assault.