Ryuk Ransomware Logo
Ryuk is the name of a ransomware family first discovered in the wild in august 2018 in the good old days we knew ryuk only as a fictional character in a popular japanese comic book and cartoon series but now we know it as one of the nastiest ransomware families to ever plague systems worldwide.
Ryuk ransomware logo. So let s take a look at this elusive new threat. This ransomware is known to have encrypted a number of pcs storage and data centers in various organizations. As such ryuk variants arrive on systems pre infected with other malware a triple threat attack methodology.
Lawrence health systems the virus has been identified as a new variant of ryuk ransomware previously unknown to antivirus software providers and security agencies. Ryuk ransomware infection vectors. In september hundreds of health care centers operated by the universal health services network were hit by ryuk ransomware.
There was a time when ryuk ransomware arrived on clean systems to wreak havoc. Ryuk is a ransomware which was first spotted in the year 2018 being distributed as a part of a targeted campaign. In october the university of vermont health.
Hermes ransomware the predecessor to ryuk was first distributed in february 2017. But new strains observed in the wild now belong to a multi attack campaign that involves emotet and trickbot. Coast guard uscg affecting industrial control systems security cameras and more according to the uscg.
The ryuk ransomware is based on the hermes ransomware. For example ryuk uses the same format to mark encrypted files as hermes using the string hermes has a similar structure in its encryption algorithm and includes a whitelist value that only makes sense if ryuk is derived from hermes. Ryuk ransomware has struck a facility belonging to the u s.
The uscg didn t reveal the name or location of the affected base but says it affected a. Let s talk ryuk ransomware. The cybercriminals launching the attacks use a strain of ransomware known as ryuk which is seeded through a network of zombie computers called trickbot that microsoft began trying to counter.
Ryuk which made its debut in august 2018 is different from many other ransomware families we ve analyzed not because of its capabilities but because of the novel way it infects systems. The attacks using this ransomware are well planned and highly targeted.
