Hm, it's actually UTF-8 → CP1252 → UTF-8 → CP1252, just double conversion
In [48]: corrupted.decode('utf-8').encode('cp1252', 'ignore').decode('utf-8', 'ignore').encode('cp1252', 'ignore').decode('utf-8', 'ignore')
Out[48]: '180211 우주소녀 서 캠 (WJSN/EUNSEO) - 비밀야(Secret) @브사트 K-POP 콘서트(강릉올림)/Fancam By 쵸리(Chori) <https://www.youtube.com/watch?v=J_E-OWwDbL0>'