I found a file from Plutonium.exe updater that was marked as Malware.

EF22 Assoc.

I downloaded a custom map application that tunnels Call of Duty: Black Ops II so can play moderated maps and custom servers. I saw Bitdefender mark this as malware and checked the website and similar issue happened recently and wrote it should be safe since it is to check the Steam ownership of game.

url removed by @Flexx