bugku a variety of methods to solve

First, open the link found an exe file really can not think of a way to suggest that there will be only go back to see a picture I do not know how to open up and then dragged into hxd found a bunch of pictures with base64 encryption code and then find in the web page 

Decoding tool http://imgbase64.duoshitong.com/ then decoding will see a two-dimensional code and scan code come Password