TrendMicro has published an excellent study on the evolution of the Russian underground, detailing products, services and related prices. Russia, China and Brazil are the countries where underground forums are more productive. The number of Russian underground forums is increasing year after year, some popular are becoming very popular such as verified.su and ploy.org, which have reached hundreds of unique members. The report explicitly refers also the importance of the role of third parties which offer escrows service to guarantee buyers and sellers.”]
Source: https://securityaffairs.co/wordpress/24440/cyber-crime/evolution-russian-underground.html