It started with a fake car listing on eBay. What looked like a simple online scam quietly grew, over more than a decade, into one of the most sophisticated cybercrime operations the FBI had ever traced. Custom malware. Opsec off the charts. Fleets of infected computers mining cryptocurrency for someone else. Millions of dollars siphoned from victims who had no idea. This is the story of Bayrob and the three men from Romanian who were behind it. And the long, strange road that led American investigators to their door. Visit https://darknetdiaries.com/episode/175/ for a list of sources, full transcripts, and to listen to all episodes.