Yeah, it is a .fsh file, it has various front end logos/graphics.
There is two files very similar, try 857589376c25fe8134b93ee66ac9ce58.fsh and 5bd6a3e8124e2e9e816022d8d67beb17.fsh
I wouldn't replace any ea logos on the front end. Because as i found, you end up somehow with some **** going on with the ruck meter, and you can't reverse it for some reason. I've had to rebuild MUP 10 because of it.