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The malicious code of the ransomware known as ‘Hive’ represents a threat to all users, as it implements encryption functionalities on the information in an infected computer, making simple recovery of the data impossible. This threat attempts to use extortion to recover the information, demanding a payment and threatening publication of part of the stolen information on a blog through the network Tor if the payment is not forthcoming.

The new generations of antiviruses may entail an improvement in the OT environment, since special care must be taken with the assets, networks and communications of Industrial Control Systems. They can also help secure our industries against the increasingly frequent cyberattacks directed against them.

Cyberattacks using ransomware are one of the main threats for companies all over the world and Spain is the tenth most affected country. That is why, in this article, as a continuation of the previous one entitled: ‘Ransomware: preventative measures (I)’, will cover in detail new recommendations to prevent them.

Anatsa is a banking Trojan designed for Android devices that has become particularly relevant since its discovery in January 2021. Throughout the study, a detailed technical analysis of the threat is carried out using a sample of the malicious code in question to show how this malware behaves and the possibilities it offers.