A massive Bitcoin price drop since the dizzy heights it enjoyed a year ago, UK clearing banks refusing to open accounts for companies in the sector (even those merely supplying software or services to the sector) and the hacking Europe's largest Digital Currency Exchange, Bitstamp, have all been widely reported and referred to by the naysayers.
These people are sophisticated in their approach with details, links, info etc. and you simply have to follow their guidelines. It was with baited breath that I decided the only way forward was to pay them - much to my disgust. Within ten minutes of them receiving the payment I received the key to decrypt my files.
The Internet is a vast place. Bigger than anyone, except a computer scientist, can imagine. It's a massive iceberg. What we see via Google and any other search engine is called the Clearnet and is potentially less than two per cent of what's actually out there, buried deep down in the Darknet or Deep Web.
While I wouldn't want to speculate on if this number is correct or not, I do agree that such is the industrialisation of cybercrime today faced by businesses, governments and consumers, that relatively small numbers of common exploits and cybercrime tools are widely used by the professional gangs operating around the world.