The hacker group doubled its ransom for the data to $42 million after the law firm refused to pay last week.

Four years ago at least 195 web addresses belonging to Trump, his family or his business empire were hijacked by hackers.

Donald Trump said China may have hacked the emails of Democratic officials to meddle with the 2016 presidential election, countering the view of U.S. intelligence officials who have said Moscow orchestrated the hacks.