Businesses infected by Dexter include retail stores, hotels, restaurants, banks,[6] and private parking providers.
[7][8] A variant of Dexter, thought to have been modified to avoid anti-malware detection by an unknown group in the UK, was linked to estimated losses in the tens of millions for banks in South Africa.
[9] South Africa's banks noticed "unusual levels of suspected fraud" after customers used credit cards at various fast-food restaurants.
[10] In December 2013, researchers discovered StarDust, a major revision of Dexter, which compromised 20,000 cards in active campaign hitting US merchants.
[11] It was one of the first known botnets to target PoS terminals used by stores and restaurants to process customers' credit and debit card payments.