Researchers from Group-IB identified malware dubbed “Dump Memory Grabber” that can infect point of sale (PoS) devices and ATMs, steal customer account information, and send the information to a remote server. The malware has already taken information from some U.S. bank customers.
Source: http://news.softpedia.com/news/Dump-Memory-Grabber-Malware-Steals-Card-Datafrom-ATMs-and-POS-Systems-340758.shtml