Linguistic analysis suggests the Chinese language version of the WannaCry ransom note came first. The identity of the individual or group behind the massive Wanna Cry ransomware campaign remains unclear. Security experts say there is no conclusive evidence tying the campaign to either Lazarus or North Korea. For everyone, experts say it’s better to keep systems patched and watch for signs of a cybercriminal attack, rather than worry about whether it’s a nation, gunning for gunners or gangies gunning down.”]
Source: https://www.cuinfosecurity.com/blogs/wannacrys-ransom-note-great-chinese-not-so-hot-korean-p-2481