A Raising TrendI've been looking for the term "POS Malware" on Google trends and I found the following result:
From my humble opinion, it looks like that many people getting interested in POS malware because they understand that POS can bring them a lot of $$$. On the other hand, these are only the results on Google, in the Darkent forums you'd find more aggressive results.
Few students from the "College of Management Academic Studies" decided to develop an open source memory scraping tool that allows organizations to find their vulnerability of scraping their process memory to get specific pattern from it, e.g. credit card numbers, URL or any regular expression.
This is an open source tool and I highly recommend you to download it, compile and run on systems that you need to analyze.
It can be downloaded from http://securitytools.github.io/MemoryScraper/