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Related papers: Understanding Crypto-Ransomware

200 papers

Malwares are continuously growing in sophistication and numbers. Over the last decade, remarkable progress has been achieved in anti-malware mechanisms. However, several pressing issues (e.g., unknown malware samples detection) still need…

Cryptography and Security · Computer Science 2021-01-22 Zahid Akhtar

Ransomware is still one of the most serious cybersecurity threats. Victims often pay but fail to regain access to their data, while also facing the danger of losing data privacy. These uncertainties heavily shape the attacker-victim…

Cryptography and Security · Computer Science 2026-01-13 Xinyu Hou , Yang Lu , Rabimba Karanjai , Lei Xu , Weidong Shi

Proliferation of cryptocurrencies (e.g., Bitcoin) that allow pseudo-anonymous transactions, has made it easier for ransomware developers to demand ransom by encrypting sensitive user data. The recently revealed strikes of ransomware attacks…

Cryptography and Security · Computer Science 2019-06-20 Cuneyt Gurcan Akcora , Yitao Li , Yulia R. Gel , Murat Kantarcioglu

Due to the continuous improvement of performance and functions, Android remains the most popular operating system on mobile phone today. However, various malicious applications bring great threats to the system. Over the past few years,…

Cryptography and Security · Computer Science 2021-09-03 Ruicong Huang

Traditionally, "Cryptography" is a benediction to information processing and communications, it helps people to store information securely and the private communications over long distances. Cryptovirology is the study of applications of…

Cryptography and Security · Computer Science 2011-08-12 Saurabh Anandrao Shivale

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

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

In today's digitally interconnected world, cybersecurity threats have reached unprecedented levels, presenting a pressing concern for individuals, organizations, and governments. This study employs a qualitative research approach to…

Cryptography and Security · Computer Science 2024-01-02 Daksh Dave , Gauransh Sawhney , Pushkar Aggarwal , Nitish Silswal , Dhruv Khut

Cybercrimes are becoming a bigger menace to both people and corporations. It poses a serious challenge to the modern digital world. According to a press release from 2019 Cisco and Cybersecurity Ventures, Cisco stopped seven trillion…

Cryptography and Security · Computer Science 2022-07-27 Khoh Choon Hwa , Selvakumar Manickam , Mahmood A. Al-Shareeda

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

The economics of an internet crime has newly developed into a field of controlling black money. This economic approach not only provides estimated technique of analyzing internet crimes but also gives details to analyzers of system…

Computers and Society · Computer Science 2014-01-22 Umer Asgher , Fahad Moazzam Dar , Ali Hamza , Abdul Moeed Paracha

Emerging blockchain and cryptocurrency-based technologies are redefining the way we conduct business in cyberspace. Today, a myriad of blockchain and cryptocurrency systems, applications, and technologies are widely available to companies,…

Cryptography and Security · Computer Science 2021-04-28 Ege Tekiner , Abbas Acar , A. Selcuk Uluagac , Engin Kirda , Ali Aydin Selcuk

Ransomware has emerged as one of the most concerned cyber risks in recent years, which has caused millions of dollars monetary loss over the world. It typically demands a certain amount of ransom payment within a limited timeframe to…

General Economics · Economics 2020-10-15 Rui Fang , Maochao Xu , Peng Zhao

Illicit crypto-mining leverages resources stolen from victims to mine cryptocurrencies on behalf of criminals. While recent works have analyzed one side of this threat, i.e.: web-browser cryptojacking, only commercial reports have partially…

Cryptography and Security · Computer Science 2019-09-26 Sergio Pastrana , Guillermo Suarez-Tangil

For thousands of years, code-makers and code-breakers have been competing for supremacy. Their arsenals may soon include a powerful new weapon: quantum mechanics. We give an overview of quantum cryptology as of November 2000.

Quantum Physics · Physics 2009-11-07 Daniel Gottesman , Hoi-Kwong Lo

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

This research seeks to expose a major weakness in Crypto-ransomware by modeling it as four integral sub-systems consisting of: An Agent, a Command and Control Service (CNC), an anonymous payment channel (APC) and an obfuscated command…

Cryptography and Security · Computer Science 2018-09-27 Jonathan Graham

Ransomware has become an increasingly popular type of malware across the past decade and continues to rise in popularity due to its high profitability. Organisations and enterprises have become prime targets for ransomware as they are more…

Cryptography and Security · Computer Science 2022-02-08 Grant McDonald , Pavlos Papadopoulos , Nikolaos Pitropakis , Jawad Ahmad , William J. Buchanan

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

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