In a new blog post researchers from ESET researchers reveal that that the authors behind the infamous Dridex banking trojan are also behind the high-profile, sophisticated ransomware variant FriedEx.
The ransomware was discovered in early July 2017 by Michael Gillespie. In August, it returned to the spotlight and made headlines by infecting NHS hospitals in Scotland.
FriedEx focuses on higher profile targets and companies rather than regular end users and is usually delivered via an RDP brute force attack. The ransomware encrypts each file with a randomly generated RC4 key, which is then encrypted using the hardcoded 1024-bit RSA public key.
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