What is "multigrainmalware"

A new sophisticated Point of Sale Malware or memory scraping malware called “Multigrain” was discovered by FireEye on April 17, 2016. Multigrain malware comes under the family of NewposThings Malware. This malware is similar to the NewposThings, FrameworkPOS and BernhardPOS malware which were known previously as notorious malware.