Even when using ad blockers on YouTube, small pop-up ads still appear

I click on the video on YouTube, a small pop-up window appears above the video, I click on it and I am redirected to another video on YouTube.

https://www.youtube.com/watch?v=YeI12ICbaBQ

CherrySF_6s_16x9_2CanKV.mp4

what is happening ?

submitted by /u/W3Neutro
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