A CYBER criminal has admitted running a product-testing service for hackers.
Goncalo Esteves, of Cape Close in Colchester, ran the website reFUD.me, which allowed offenders to test, for a fee, whether their malicious cyber tools could beat anti-virus scanners.
Under the pseudonym KillaMuvz, he also sold custom-made malware-disguising products and offered technical support to users.
He pleaded guilty to two computer misuse offences and a count of money laundering at Blackfriars Crown Court.
Esteves called his encryption tools Cryptex Reborn and Cryptex Lite. Part of a family of cyber tools known as crypters, they could be used by hackers to improve their chances of dodging anti-virus.
He sold them for use in packages which varied in price according to the length of the licence.
A month of Cryptex Lite cost $7.99 ( about £5 at the time of offending) while a lifetime licence