Protect your computers ladies and gentlemen.
...this weekend there has been a nasty virus infected the entire planet. Update your anti-virus and malware softwares and OS etc.
http://www.bbc.com/news/uk-39911385
https://www.theguardian.com/technology/2017/may/13/accidental-hero-finds-kill-switch-to-stop-spread-of-ransomware-cyber-attack