Though I don’t get popup, in fact hufaztjist.com is unblocked as of now which should be caught by /^https:\/\/[a-z]{10,12}\.com\/[\/a-z]{2,}\?id=[12]\d{6}$/$script,3p,match-case in uBlock filters. I have no idea why Brave doesn’t use such an important regex filter without look-ahead.
Related: あるサイトを見ると、ホップアップが出る。 - #2 by Yuki2718 @fanboynz