Here is a discussion about it in r/Monero subreddit: https://www.reddit.com/r/Monero/comments/19emsfe/finlands_na...

See also: Tracing the WannaCry 2.0 Monero Transactions — https://medium.com/@nbax/tracing-the-wannacry-2-0-monero-tra..., https://twitter.com/bax1337/status/1442846034460282886