Security experts at FireEye have spotted the activity of a criminal organization that using custom PoS malware TreasureHunt to target small retailers. Hackers are using the malware dubbed TreasureHunt or TreasureHunter to steal payment card data and sell it on criminal underground forums. TreasureHunt was first discovered by researchers at the SANS Institute who noticed the malware generating mutex names to evade detection. US retailers and merchants are adopting payment solutions based on the EMV standard that relies on chip-equipped cards and for this reason, are considered more secure.”]
Source: https://securityaffairs.co/wordpress/45788/malware/treasurehunt-pos-malware.html