Pro PoS

By GoldSparrow in Trojans

Threat Scorecard

Threat Level: 90 % (High)
Infected Computers: 185
First Seen: December 2, 2015
Last Seen: April 24, 2023
OS(es) Affected: Windows

Pro PoS is a point of sale threat that can be used to collect the consumers' credit card numbers and other data. These types of threats work by infecting the computers involved in recording credit card transactions at retailers. In this way, con artists can collect hundreds or thousands of credit card numbers by infecting a single computer. A new strain of these kinds of point of sale infections named Pro PoS is being sold on underground forums. The arrival of Pro PoS coincides with the Christmas shopping season and Black Friday, increasing the likelihood of victims of this attack. PC security researchers strongly recommend that retailers protect their point of sale equipment with strong, fully updated anti-malware software capable of intercepting infections like Pro PoS, for the safety of their customers.

The Havoc Caused by Pro PoS and Other Point of Sale Infections

Pro PoS is currently available for sale on underground forums frequented by on artists and hackers. PC security researchers suspect that Pro PoS was created by hackers located in Eastern Europe. The main purpose of Pro PoS is to infect the operating systems of computers that are used in retail. Pro PoS can infect newer operating systems and is capable of bypassing various types of security protections. It is likely that Pro PoS is already being used by third parties around the world. PC security researchers suspect that Pro PoS has also been used to collect credit card data from consumers in the United States and Canada.

A Brief Analyze of Pro PoS Infections

Pro PoS is remarkably tiny. Pro PoS is only 76 KB in size. Pro PoS has rootkit capabilities that along with other features, may allow Pro PoS to avoid various types of anti-malware detection mechanisms. One feature of Pro PoS particularly difficult to combat is its polymorphic engine. This mechanism allows Pro PoS to generate a different signature for each version of itself, making it remarkably difficult for malware analysts to create protective measures that will catch all versions of Pro PoS. Pro PoS supports Tor, which allows Pro PoS to communicate with its Command and Control servers completely anonymously.

Following the Sale of Pro PoS on Underground Websites

In late November, Pro PoS increased in price significantly, which is currently $2600 USD for a six- month license. This may seem like a large amount, but when one considers the possible damage that this threat can cause, it is understandable that con artists are willing to pay such high amounts. In recent weeks, an increase in point of sale threats has been detected in the wild, including ModPos and Cherry Picker. It is likely that the increase in point of sale threats like Pro PoS is related to the rush of retail sales that follows and precedes Thanksgiving in the United States. Unfortunately, Pro PoS is probably one of the most complex point of sale infections that are currently active. In recent times, threats like Pro PoS have been used to target various hotel chains particularly, probably related as well to the increase in holiday travel.

Protecting Your PC from Pro PoS

If you are a retailer, you should ensure that your computer is completely protected from intrusions like Pro PoS. To protect your customers' data, malware researchers recommend the use of a strong security program that is fully up-to-date and regularly scheduled scans with different security tools. You should also educate your employees to ensure they understand how these kinds of threats may be installed.

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