Removing the Dongtaiwang.com browser hijacker requires a systematic approach:
Many Chinese browser hijackers modify the shortcut targets on your desktop/taskbar. Even if you clean the browser, the shortcut will force the URL to open. dongtaiwang.com browser hijacker pua
Though it provides a functional service (bypassing censorship), it is labeled a PUA due to several "gray-area" behaviors that mirror malware: Removing the Dongtaiwang