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Modern threat landscapes continue to evolve with increasing sophistication, challenging traditional detection methodologies and necessitating innovative solutions capable of addressing complex adversarial tactics. A novel framework was…

Cryptography and Security · Computer Science 2025-03-27 Levi Gareth , Maximilian Fairbrother , Peregrine Blackwood , Lucasta Underhill , Benedict Ruthermore

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

Crypto-ransomware remains a significant threat to governments and companies alike, with high-profile cyber security incidents regularly making headlines. Many different detection systems have been proposed as solutions to the ever-changing…

Cryptography and Security · Computer Science 2023-05-31 Simon R Davies , Richard Macfarlane , William J Buchanan

Modern ransomware often generate and manage cryptographic keys on the victim's machine, giving defenders an opportunity to capture exposed keys and recover encrypted data without paying the ransom. However, recent work has raised the…

Cryptography and Security · Computer Science 2021-07-21 Alpesh Bhudia , Daniel O'Keeffe , Daniele Sgandurra , Darren Hurley-Smith

Crypto-ransomware has caused an unprecedented scope of impact in recent years with an evolving level of sophistication. An extensive range of studies have been on defending against ransomware and reviewing the efficacy of various…

Cryptography and Security · Computer Science 2024-11-19 Wenjia Song , Sanjula Karanam , Ya Xiao , Jingyuan Qi , Nathan Dautenhahn , Na Meng , Elena Ferrari , Danfeng , Yao

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

The reliability of cyber forensic evidence acquisition is strongly influenced by the underlying operating systems, Windows, macOS, and Linux - due to inherent variations in file system structures, encryption protocols, and forensic tool…

Cryptography and Security · Computer Science 2026-02-03 Vinayak Jain , Sneha Sudhakaran , Saranyan Senthivel

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

Computing is still under a significant threat from ransomware, which necessitates prompt action to prevent it. Ransomware attacks can have a negative impact on how smart grids, particularly digital substations. In addition to examining a…

Cryptography and Security · Computer Science 2024-05-02 Hong-Nhung Nguyen , Ha-Thanh Nguyen , Damien Lescos

Ransomware, a type of malicious software that encrypts a victim's files and only releases the cryptographic key once a ransom is paid, has emerged as a potentially devastating class of cybercrimes in the past few years. In this paper, we…

Cryptography and Security · Computer Science 2018-03-06 Florian Quinkert , Thorsten Holz , KSM Tozammel Hossain , Emilio Ferrara , Kristina Lerman

File encrypting ransomware increasingly employs intermittent encryption techniques, encrypting only parts of files to evade classical detection methods. These strategies, exemplified by ransomware families like BlackCat, complicate file…

Cryptography and Security · Computer Science 2026-02-24 Ynes Ineza , Gerald Jackson , Prince Niyonkuru , Jaden Kevil , Abdul Serwadda

Decrypting and inspecting encrypted malicious communications may assist crime detection and prevention. Access to client or server memory enables the discovery of artefacts required for decrypting secure communications. This paper develops…

Cryptography and Security · Computer Science 2019-07-26 Peter McLaren , Gordon Russell , William J. Buchanan , Zhiyuan Tan

Ransomware (RW) presents a significant and widespread threat in the digital landscape, necessitating effective countermeasures. Active cyber deception is a promising strategy to thwart RW and limiting its propagation by misleading it with…

Cryptography and Security · Computer Science 2025-08-08 Md Sajidul Islam Sajid , Jinpeng Wei , Ehab Al-Shaer

Traditional techniques to prevent damage from ransomware attacks are to detect and block attacks by monitoring the known behaviors such as frequent name changes, recurring access to cryptographic libraries and exchange keys with remote…

Cryptography and Security · Computer Science 2019-04-11 Jinwoo Ahn , Donggyu Park , Chang-Gyu Lee , Donghyun Min , Junghee Lee , Sungyong Park , Qian Chen , Youngjae Kim

Memory forensics is an effective methodology for analyzing living-off-the-land malware, including threats that employ evasion, obfuscation, anti-analysis, and steganographic techniques. By capturing volatile system state, memory analysis…

Cryptography and Security · Computer Science 2026-02-24 Silvia Lucia Sanna , Davide Maiorca , Giorgio Giacinto

Among many prevailing malware, crypto-ransomware poses a significant threat as it financially extorts affected users by creating denial of access via unauthorized encryption of their documents as well as holding their documents hostage and…

Cryptography and Security · Computer Science 2020-11-25 Nitin Pundir , Mark Tehranipoor , Fahim Rahman

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

Ransomware can produce direct and controllable economic loss, which makes it one of the most prominent threats in cyber security. As per the latest statistics, more than half of malwares reported in Q1 of 2017 are ransomwares and there is a…

Cryptography and Security · Computer Science 2020-04-07 Manaar Alam , Sayan Sinha , Sarani Bhattacharya , Swastika Dutta , Debdeep Mukhopadhyay , Anupam Chattopadhyay

Ransomware is a growing threat that typically operates by either encrypting a victim's files or locking a victim's computer until the victim pays a ransom. However, it is still challenging to detect such malware timely with existing…

Cryptography and Security · Computer Science 2021-02-01 Muhammad Ejaz Ahmed , Hyoungshick Kim , Seyit Camtepe , Surya Nepal

In recent years, insider threats and attacks have been increasing in terms of frequency and cost to the corporate business. The utilization of end-to-end encrypted instant messaging applications (WhatsApp, Telegram, VPN) by malicious…

Cryptography and Security · Computer Science 2024-06-14 Janardhan Kalikiri , Gaurav Varshney , Jaswinder Kour , Tarandeep Singh