How to run Watch_Dogs 2 without EasyAntiCheat
Start Command Prompt with Admin
Change directory to Watch_Dogs2\bin
e.g. CD "C:\Program Files (x86)\Steam\steamapps\common\Watch_Dogs2\bin"
Enter WatchDogs2.exe -eac_launcher
Go to Steam if you purchase on Steam, and allow the parameter.
Have fun without EasyAntiCheat's annoying process blacklist.
p.s. You might need to login to Uplay first.