Where is it? Why is standard windows logo used?
It’s on the client with the game launched as a sub-process and that’s why it’s missing I guess, or actually nevermind cause it’s missing on both 
Vermintide is a popular video game franchise developed by Fatshark. The logo for Vermintide features a stylized design that represents the dark fantasy world and the theme of the game. It typically includes elements such as a rat, as the game revolves around the conflict between heroes and the Skaven ratmen.
To view the official logo of Vermintide, I recommend visiting the official website of Fatshark or conducting an image search using appropriate keywords such as “Vermintide logo” or “Warhammer Vermintide logo.” This will allow you to find and view the specific logo associated with the game.