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Ransomware, a fearsome and rapidly evolving cybersecurity threat, continues to inflict severe consequences on individuals and organizations worldwide. Traditional detection methods, reliant on static signatures and application behavioral…

Cryptography and Security · Computer Science 2024-06-13 Dionysios Diamantopoulos , Roman Pletka , Slavisa Sarafijanovic , A. L. Narasimha Reddy , Haris Pozidis

Researchers have proposed a wide range of ransomware detection and analysis schemes. However, most of these efforts have focused on older families targeting Windows 7/8 systems. Hence there is a critical need to develop efficient solutions…

Cryptography and Security · Computer Science 2023-06-27 Aldin Vehabovic , Hadi Zanddizari , Nasir Ghani , Farooq Shaikh , Elias Bou-Harb , Morteza Safaei Pour , Jorge Crichigno

Ransomware attacks are increasing at an alarming rate, leading to large financial losses, unrecoverable encrypted data, data leakage, and privacy concerns. The prompt detection of ransomware attacks is required to minimize further damage,…

Cryptography and Security · Computer Science 2022-05-31 Jurijs Nazarovs , Jack W. Stokes , Melissa Turcotte , Justin Carroll , Itai Grady

Ransomware remains a critical threat to cybersecurity, yet publicly available datasets for training machine learning-based ransomware detection models are scarce and often have limited sample size, diversity, and reproducibility. In this…

Cryptography and Security · Computer Science 2025-05-27 Faithful Chiagoziem Onwuegbuche , Adelodun Olaoluwa , Anca Delia Jurcut , Liliana Pasquale

Crypto-ransomware attacks have been a growing threat over the last few years. The goal of every ransomware strain is encrypting user data, such that attackers can later demand users a ransom for unlocking their data. To maximise their…

Cryptography and Security · Computer Science 2025-01-23 Marco Venturini , Francesco Freda , Emanuele Miotto , Mauro Conti , Alberto Giaretta

Bitcoin cryptocurrency system enables users to transact securely and pseudo-anonymously by using an arbitrary number of aliases (Bitcoin addresses). Cybercriminals exploit these characteristics to commit immutable and presumably untraceable…

Cryptography and Security · Computer Science 2018-11-27 Mauro Conti , Ankit Gangwal , Sushmita Ruj

Ransomware is a significant global threat, with easy deployment due to the prevalent ransomware-as-a-service model. Machine learning algorithms incorporating the use of opcode characteristics and Support Vector Machine have been…

Cryptography and Security · Computer Science 2018-07-30 James Baldwin , Ali Dehghantanha

We present an approach to identifying which ransomware adversaries are most likely to target specific entities, thereby assisting these entities in formulating better protection strategies. Ransomware poses a formidable cybersecurity threat…

Cryptography and Security · Computer Science 2025-02-10 Spencer Massengale , Philip Huff

This research recasts ransomware detection using performance monitoring and statistical machine learning. The work builds a test environment with 41 input variables to label and compares three computing states: idle, encryption and…

Cryptography and Security · Computer Science 2021-09-28 David Noever , Samantha Miller Noever

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

Cryptography and Security · Computer Science 2022-12-12 Rawshan Ara Mowri , Madhuri Siddula , Kaushik Roy

In the banking industry, ransomware is a well-known threat, but since the beginning of 2022, cryptojacking, an emerging threat is posing a considerable challenge to the banking industry. Ransomware has variants, and the attackers keep…

Cryptography and Security · Computer Science 2023-11-28 Naresh Kshetri , Mir Mehedi Rahman , Sayed Abu Sayeed , Irin Sultana

The threat from ransomware continues to grow both in the number of affected victims as well as the cost incurred by the people and organisations impacted in a successful attack. In the majority of cases, once a victim has been attacked…

Cryptography and Security · Computer Science 2021-06-29 Simon R Davies , Richard Macfarlane , William J Buchanan

RowHammer vulnerabilities pose a significant threat to modern DRAM-based systems, where rapid activation of DRAM rows can induce bit-flips in neighboring rows. To mitigate this, state-of-the-art host-side RowHammer mitigations typically…

Cryptography and Security · Computer Science 2025-05-16 Jeonghyun Woo , Prashant J. Nair

Ransomware variants increasingly combine privilege escalation with sophisticated evasion strategies such as intermittent encryption, low-entropy encryption, and imitation attacks. Such powerful ransomware variants, privilege-escalated…

Cryptography and Security · Computer Science 2026-01-27 Beom Heyn Kim , Seok Min Hong , Mohammad Mannan

Stricter data protection regulations and the poor application of privacy protection techniques have resulted in a requirement for data-driven companies to adopt new methods of analysing sensitive user data. The RAPPOR (Randomized…

Cryptography and Security · Computer Science 2019-07-25 Peter Aaby , Juanjo Mata De Acuna , Richard Macfarlane , William J Buchanan

Ransomware impact hinges on how easily an intruder can move laterally and spread to the maximum number of assets. We present a graph-theoretic formulation that casts lateral movement as a path-closure problem over a probability semiring to…

Discrete Mathematics · Computer Science 2025-11-10 Satyam Tyagi , Ganesh Murugesan

Newly emerging variants of ransomware pose an ever-growing threat to computer systems governing every aspect of modern life through the handling and analysis of big data. While various recent security-based approaches have focused on…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

The rise of ransomware attacks has necessitated the development of effective strategies for identifying and mitigating these threats. This research investigates the utilization of a feature selection algorithm for distinguishing…

Cryptography and Security · Computer Science 2024-02-08 Mike Nkongolo

Ransomware defense solutions that can quickly detect and classify different ransomware classes to formulate rapid response plans have been in high demand in recent years. Though the applicability of adopting deep learning techniques to…

Cryptography and Security · Computer Science 2022-04-12 Jinting Zhu , Julian Jang-Jaccard , Amardeep Singh , Ian Welch , Harith AI-Sahaf , Seyit Camtepe

Linux-based cloud environments have become lucrative targets for ransomware attacks, employing various encryption schemes at unprecedented speeds. Addressing the urgency for real-time ransomware protection, we propose leveraging the…

Cryptography and Security · Computer Science 2024-09-11 Adrian Brodzik , Tomasz Malec-Kruszyński , Wojciech Niewolski , Mikołaj Tkaczyk , Krzysztof Bocianiak , Sok-Yen Loui