A security researcher came across what appears to be a new family of point-of-sale malware that few antivirus programs were detecting.

Nick Hoffman, a reverse engineer, wrote the Getmypass malware shares traits that are similar to other so-called RAM scrapers, which collect unencrypted payment card data held in a payment system’s memory.

That type of malware has been responsible for large payment card breaches at Target, Neiman Marcus and others, capitalizing on a common weakness in systems that experts say can be fixed with more robust encryption of card details.

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