윤씨는 자신의 건설업체가 시행을 맡은 서울 동대문구 ‘한방천하’ 상가 개발비 수십억원을 횡령한 혐의로 2007∼2011년 세 차례 수사를 받았지만 모두 무혐의로 끝났다.
Yoon was investigated three times between 2007 and 2011 on charges of embezzling billions of won from the development expenses of "Hanbangcheonha" shopping mall in Dongdaemun-gu, Seoul, which his construction company was tasked with building, but he was acquitted every time.