At least one threat actor is using a combination of the info stealer Vidar and GandCrab ransomware to put a double whammy on their victims and increase their odds of coming away with something value during an attack.
Jerome Segura, head of investigations at Malwarebytes Labs, has tracked the campaign, which uses the Fallout and GrandSoft exploit kits to first install Vidar and then a secondary payload containing GandCrab. This tandem attack is unusual, he noted.
"We've seen attackers use ransomware (or more so wipers) to erase their tracks after a successful intrusion and theft, but that is typically more the territory of APT actors," he said.
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