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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.…

密码学与安全 · 计算机科学 2024-12-31 Nicolas Reategui , Roman Pletka , Dionysios Diamantopoulos

Ransomware poses a serious and fast-acting threat to critical systems, often encrypting files within seconds of execution. Research indicates that ransomware is the most reported cybercrime in terms of financial damage, highlighting the…

密码学与安全 · 计算机科学 2026-04-13 Busra Caliskan , Ibrahim Gulatas , H. Hakan Kilinc , A. Halim Zaim

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…

密码学与安全 · 计算机科学 2020-11-25 Nitin Pundir , Mark Tehranipoor , Fahim Rahman

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…

密码学与安全 · 计算机科学 2022-01-13 Anthony Melaragno , William Casey

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…

密码学与安全 · 计算机科学 2021-02-01 Muhammad Ejaz Ahmed , Hyoungshick Kim , Seyit Camtepe , Surya Nepal

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,…

密码学与安全 · 计算机科学 2022-04-01 Avinash Singh , Richard Adeyemi Ikuesan , Hein Venter

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…

密码学与安全 · 计算机科学 2020-04-07 Manaar Alam , Sayan Sinha , Sarani Bhattacharya , Swastika Dutta , Debdeep Mukhopadhyay , Anupam Chattopadhyay

Ransomware is a kind of malware using cryptographic mechanisms to prevent victims from normal use of their computers. As a result, victims lose the access to their files and desktops unless they pay the ransom to the attackers. By the end…

密码学与安全 · 计算机科学 2020-11-23 Tianrou Xia , Yuanyi Sun , Sencun Zhu , Zeeshan Rasheed , Khurram Shafique

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…

密码学与安全 · 计算机科学 2025-07-14 Dorjan Hitaj , Giulio Pagnotta , Fabio De Gaspari , Lorenzo De Carli , Luigi V. Mancini

Recent statistics show that in 2015 more than 140 millions new malware samples have been found. Among these, a large portion is due to ransomware, the class of malware whose specific goal is to render the victim's system unusable, in…

密码学与安全 · 计算机科学 2016-09-13 Daniele Sgandurra , Luis Muñoz-González , Rabih Mohsen , Emil C. Lupu

Ransomware, a class of self-propagating malware that uses encryption to hold the victims' data ransom, has emerged in recent years as one of the most dangerous cyber threats, with widespread damage; e.g., zero-day ransomware WannaCry has…

密码学与安全 · 计算机科学 2017-09-27 Qian Chen , Robert A. Bridges

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…

密码学与安全 · 计算机科学 2022-06-07 Nanda Rani , Sunita Vikrant Dhavale

Ransomware has become a significant global threat with the ransomware-as-a-service model enabling easy availability and deployment, and the potential for high revenues creating a viable criminal business model. Individuals, private…

密码学与安全 · 计算机科学 2018-07-30 Omar M. K. Alhawi , James Baldwin , Ali Dehghantanha

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…

密码学与安全 · 计算机科学 2025-05-27 Faithful Chiagoziem Onwuegbuche , Adelodun Olaoluwa , Anca Delia Jurcut , Liliana Pasquale

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…

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 ransomware and there is a…

密码学与安全 · 计算机科学 2018-02-13 Manaar Alam , Sarani Bhattacharya , Debdeep Mukhopadhyay , Anupam Chattopadhyay

Detection and analysis of a potential malware specifically, used for ransom is a challenging task. Recently, intruders are utilizing advanced cryptographic techniques to get hold of digital assets and then demand a ransom. It is believed…

密码学与安全 · 计算机科学 2020-06-08 Arslan Ashraf , Abdul Aziz , Umme Zahoora , Muttukrishnan Rajarajan , Asifullah Khan

Ransomware is a type of malware which encrypts user data and extorts payments in return for the decryption keys. This cyberthreat is one of the most serious challenges facing organizations today and has already caused immense financial…

密码学与安全 · 计算机科学 2023-11-15 Aldin Vehabovic , Hadi Zanddizari , Nasir Ghani , G. Javidi , S. Uluagac , M. Rahouti , E. Bou-Harb , M. Safaei Pour

Ransomware poses a significant threat to individuals and organisations, compelling tools to investigate its behaviour and the effectiveness of mitigations. To answer this need, we present SAFARI, an open-source framework designed for safe…

密码学与安全 · 计算机科学 2025-04-11 Tommaso Compagnucci , Franco Callegati , Saverio Giallorenzo , Andrea Melis , Simone Melloni , Alessandro Vannini

Ransomware is considered as a significant threat for most enterprises since the past few years. In scenarios wherein users can access all files on a shared server, one infected host can lock the access to all shared files. We propose a tool…

密码学与安全 · 计算机科学 2022-02-16 Eduardo Berrueta , Daniel Morato , Eduardo Magaña , Mikel Izal
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