While "6 April 2016" was the date the archive was reportedly compiled or discovered, the contents are tied to one of the largest investigative journalism projects in history.
Years of internal correspondence between the law firm and its clients.
While individual RAR files floating around the web under this name may vary (and can often be ), the genuine data leak contained:
Because of the high-profile nature of the Panama Papers, hackers often name viruses or "remote access trojans" (RATs) after famous leaks to trick curious users into downloading them.
You do not need to download suspicious .rar files to explore this content. The ICIJ maintains a searchable, safe Offshore Leaks Database where you can look up specific names or companies officially linked to the 2016 leak.