Virus in the Oracle POS system affects more than 180 countries

Researchers at Trend Micro inadvertently discovered the MalumPOS virus, a new type of malware specifically for pos machines running on Micros and other POS systems.

Oracle acquired Micros for $5.3 billion last year, which is known for developing POS systems and enterprise-class information software for the retail and hospitality industries. According to data provided by Oracle, more than 330,000 Micros systems are deployed in companies ranging from more than 180 countries and regions around the world.

MalumPOS, a malware, is distributed in many ways, including disguising as a "NVIDIA display driver" to infect other devices. Once it infects a POS device, the device's threat monitoring runs a program that searches for valuable bank card information recorded in the device's memory. Trend Micro mentioned in a technical brief that this malware can even run a hundred processes at the same time.

The credit card information that was searched will be re-encoded and stored in a file called "nvsvc.dll", which looks more like a normal part of a legitimate NVIDIA driver.

MalumPOS is written in Delphi and uses regular expressions to search for credit card passwords and other valuable data. Different regular expressions are used to identify track 1 and track 2 data. The target for this malware is Visa, American Express, Discover Card, MasterCard and Diners Club, the researchers said.

Trend Micro warns that stolen data can be used to copy payment cards or conduct fraudulent online transactions, with most of the potential victims being located in the United States.

For POS malware, using regular expressions to identify payment card information is really unusual. But experts have noticed that the expression used by this malware has previously appeared in the Rdaserv malware library. Trend Micro said that they have confirmed many similarities between the two malwares, Rdaserv and MalumPOS, and thus prove that these threats are somewhat related.

In order to be able to disguise as a NVIDIA graphics driver, malware developers also used old timestamps (eg, 1992-06-19 17:22:17) and dynamically loaded the application programming interface to fool detection.

Although this malicious program now appears to be primarily infected with devices using the Micros platform, researchers believe that the software also has the ability to steal information from other Internet platform browsers through user access to Internet browsers, such as Oracle Forms, Shift4.

“MalumPOS is born to be configurable. This means that in the future, the maker of the threat can change or add other processes or targets. For example, he can add Radiant or NCR Counterpoint POS systems to the target of MalumPOS.” Trend Micro threat analyst Jay Yaneza mentioned in one of his blog posts.

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