Sure it’s Australia, but if somebody drops a flash drive in your mailbox or inbox, DON’T plug it in unless you know where it came from.  I can’t help with ransomware.

Australian police warn of ransomware USB drives showing up in mailboxes

HP inkjet printers refuse to accept third-party ink cartridges after stealth firmware update.

HP’s latest trick to boost printer revenue was to distribute a firmware update with a six-month kill switch. The result? A great many printers suddenly stopped supporting third-party ink cartridges without warning last week.