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Related papers: Crypto-Ransomware and Their Defenses: In-depth Beh…

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In recent years, ransomware has been one of the most notorious malware targeting end users, governments, and business organizations. It has become a very profitable business for cybercriminals with revenues of millions of dollars, and a…

Cryptography and Security · Computer Science 2022-02-25 Harun Oz , Ahmet Aris , Albert Levi , A. Selcuk Uluagac

Ransomware uses encryption methods to make data inaccessible to legitimate users. To date a wide range of ransomware families have been developed and deployed, causing immense damage to governments, corporations, and private users. As these…

Cryptography and Security · Computer Science 2023-05-23 Aldin Vehabovic , Nasir Ghani , Elias Bou-Harb , Jorge Crichigno , Aysegul Yayimli

This study provides a comprehensive synthesis of Artificial Intelligence (AI), especially Machine Learning (ML) and Deep Learning (DL), in ransomware defense. Using a "review of reviews" methodology based on PRISMA, this paper gathers…

Ransomware constitutes a significant threat to the Android operating system. It can either lock or encrypt the target devices, and victims are forced to pay ransoms to restore their data. Hence, the prompt detection of such attacks has a…

Cryptography and Security · Computer Science 2019-07-03 Michele Scalas , Davide Maiorca , Francesco Mercaldo , Corrado Aaron Visaggio , Fabio Martinelli , Giorgio Giacinto

Malware proliferation and sophistication have drastically increased and evolved continuously. Recent indiscriminate ransomware victimizations have imposed critical needs of effective detection techniques to prevent damages. Therefore,…

Computers and Society · Computer Science 2020-05-13 Abdulrahman Alzahrani , Ali Alshehri , Hani Alshahrani , Huirong Fu

Ransomware attacks continue to wreak havoc across the globe, with public reports of total ransomware payments topping billions of dollars annually. While the use of cryptocurrency presents an avenue to understand the tactics of ransomware…

Cryptography and Security · Computer Science 2024-08-29 Jack Cable , Ian W. Gray , Damon McCoy

Ransomware has been an ongoing issue since the early 1990s. In recent times ransomware has spread from traditional computational resources to cyber-physical systems and industrial controls. We devised a series of experiments in which…

Cryptography and Security · Computer Science 2022-01-13 Anthony Melaragno , William Casey

Ransomware has appeared as one of the major global threats in recent days. The alarming increasing rate of ransomware attacks and new ransomware variants intrigue the researchers to constantly examine the distinguishing traits of ransomware…

Cryptography and Security · Computer Science 2022-11-15 Rawshan Ara Mowri , Madhuri Siddula , Kaushik Roy

We present in this work an economic analysis of ransomware, with relevant data from Cryptolocker, CryptoWall, TeslaCrypt and other major strands. We include a detailed study of the impact that different price discrimination strategies can…

Cryptography and Security · Computer Science 2017-03-21 Julio Hernandez-Castro , Edward Cartwright , Anna Stepanova

The rapid evolution of encryption-based threats has rendered conventional detection mechanisms increasingly ineffective against sophisticated attack strategies. Monitoring entropy variations across hierarchical system levels offers an…

Cryptography and Security · Computer Science 2025-08-11 Hayden Srynn , Gilbert Pomeroy , Florence Lytton , Godfrey Ashcombe , Valentine Harcourt , Duncan Pettigrew

Cybersecurity solutions have shown promising performance when detecting ransomware samples that use fixed algorithms and encryption rates. However, due to the current explosion of Artificial Intelligence (AI), sooner than later, ransomware…

The current pandemic situation has increased cyber-attacks drastically worldwide. The attackers are using malware like trojans, spyware, rootkits, worms, ransomware heavily. Ransomware is the most notorious malware, yet we did not have any…

Cryptography and Security · Computer Science 2022-06-07 Nanda Rani , Sunita Vikrant Dhavale

While recognized as a theoretical and practical concept for over 20 years, only now ransomware has taken centerstage as one of the most prevalent cybercrimes. Various reports demonstrate the enormous burden placed on companies, which have…

Cryptography and Security · Computer Science 2017-08-23 Aron Laszka , Sadegh Farhang , Jens Grossklags

Ransomware attacks have caused billions of dollars in damages in recent years, and are expected to cause billions more in the future. Consequently, significant effort has been devoted to ransomware detection and mitigation. Behavioral-based…

Cryptography and Security · Computer Science 2025-07-14 Dorjan Hitaj , Giulio Pagnotta , Fabio De Gaspari , Lorenzo De Carli , Luigi V. Mancini

The increasing sophistication of encryption-based ransomware has demanded innovative approaches to detection and mitigation, prompting the development of a hierarchical framework grounded in probabilistic cryptographic analysis. By focusing…

Cryptography and Security · Computer Science 2025-08-11 Kevin Pekepok , Persephone Kirkwood , Esme Christopolous , Florence Braithwaite , Oliver Nightingale

Cybercrime is one of the major digital threats of this century. In particular, ransomware attacks have significantly increased, resulting in global damage costs of tens of billion dollars. In this paper, we train and test different Machine…

Cryptography and Security · Computer Science 2022-11-29 Benjamin Marais , Tony Quertier , Stéphane Morucci

Ransomware represents a pervasive threat, traditionally countered at the operating system, file-system, or network levels. However, these approaches often introduce significant overhead and remain susceptible to circumvention by attackers.…

Cryptography and Security · Computer Science 2024-12-31 Nicolas Reategui , Roman Pletka , Dionysios Diamantopoulos

The damage caused by crypto-ransomware, due to encryption, is difficult to revert and cause data losses. In this paper, a machine learning (ML) classifier was built to early detect ransomware (called crypto-ransomware) that uses…

Cryptography and Security · Computer Science 2020-03-17 Chih-Yuan Yang , Ravi Sahita

Ransomware attacks have increased significantly in recent years, causing great destruction and damage to critical systems and business operations. Attackers are unfailingly finding innovative ways to bypass detection mechanisms,…

Cryptography and Security · Computer Science 2022-04-01 Avinash Singh , Richard Adeyemi Ikuesan , Hein Venter

This study presents a critical review of disclosed, documented, and malicious cybersecurity incidents in the water sector to inform safeguarding efforts against cybersecurity threats. The review is presented within a technical context of…

Cryptography and Security · Computer Science 2020-07-28 Amin Hassanzadeh , Amin Rasekh , Stefano Galelli , Mohsen Aghashahi , Riccardo Taormina , Avi Ostfeld , Katherine Banks
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