Heimadal Security

NOVEMBER 1, 2021

The double-extortion ransomware group dubbed Hive also encrypts Linux and FreeBSD with new malware versions designed specifically for these operating systems. The post Hive Ransomware Now Encrypts Linux and FreeBSD Operating Systems appeared first on Heimdal Security Blog.

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Encryption Ransomware Firewall Internet 121

Security Affairs

APRIL 4, 2023

A new ransomware strain named Rorschach ransomware supports the fastest file-encrypting routine observed to date. The experts pointed out that the Rorschach ransomware appears to be unique. The experts pointed out that the Rorschach ransomware appears to be unique. ” continues the analysis.

Encryption 89

Encryption Ransomware Malware Backups 89

Heimadal Security

JANUARY 30, 2023

Cybersecurity researchers uncovered a new strain of ransomware named Mimic. Mimic uses Everything API, a file search tool for Windows, to search for files to encrypt. As a sophisticated malware, […] The post New Mimic Ransomware Uses Windows Search Engine to Find and Encrypt Files appeared first on Heimdal Security Blog.

Encryption 92

Encryption Engineering Ransomware Malware 92

Graham Cluley

FEBRUARY 15, 2024

A group of South Korean security researchers have uncovered a vulnerability in the infamous Rhysida ransomware that provides a way for encrypted files to be unscrambled. Read more in my article on the Tripwire State of Security blog.

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Ransomware Encryption Malware 111

Krebs on Security

JULY 1, 2020

We’ve seen an ugly trend recently of tech news stories and cybersecurity firms trumpeting claims of ransomware attacks on companies large and small, apparently based on little more than the say-so of the ransomware gangs themselves. Such coverage is potentially quite harmful and plays deftly into the hands of organized crime.

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Ransomware Cybercrime Encryption Malware 310

Graham Cluley

APRIL 11, 2024

The East Central University (ECU) of Ada, Oklahoma, has revealed that a ransomware gang launched an attack against its systems that left some computers and servers encrypted and may have also seen sensitive information stolen. Read more in my article on the Hot for Security blog.

Ransomware 90

Ransomware Encryption Malware 90

Krebs on Security

JANUARY 27, 2021

and Bulgarian authorities this week seized the darkweb site used by the NetWalker ransomware cybercrime group to publish data stolen from its victims. The victim shaming site maintained by the NetWalker ransomware group, after being seized by authorities this week. ” Image: Chainalysis. . ” Image: Chainalysis.

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Ransomware Cybercrime Antivirus Encryption 283

Heimadal Security

NOVEMBER 8, 2022

Researchers established that Azov Ransomware, although pretends to encrypt data, is a data wiper that destroys all the data from an infected device and corrupts other programs. The malware is distributed through the Smokeloader botnet found in cracks and pirated software.

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Malware Ransomware Encryption Software 85

Krebs on Security

JUNE 16, 2021

Authorities in Ukraine this week charged six people alleged to be part of the CLOP ransomware group , a cybercriminal gang said to have extorted more than half a billion dollars from victims. The CLOP gang seized on those flaws to deploy ransomware to a significant number of Accellion’s FTA customers , including U.S.

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Ransomware Cybercrime Malware Encryption 322

Heimadal Security

FEBRUARY 23, 2024

A new version of the LockBit ransomware seems to be on the horizon. The developers of the file-encrypting malware were secretly working on a project dubbed LockBit-NG-Dev, believed to be the 4.0 The Ransomware Operation’s Secret Project appeared first on Heimdal Security Blog. version of the tool.

Ransomware 74

Ransomware Encryption Malware Cybersecurity 74

Heimadal Security

JANUARY 4, 2024

Security research and consulting firm SRLabs exploited a vulnerability in the encryption algorithm of a specific strain of Black Basta ransomware to develop and release a decryptor tool named Black Basta Buster.

Ransomware 83

Ransomware Encryption Malware Cybersecurity 83

Webroot

OCTOBER 25, 2023

Our annual analysis of the most notorious malware has arrived. As always, it covers the trends, malware groups, and tips for how to protect yourself and your organization. Their tactics have evolved significantly over the years, with ransomware now the malware of choice for cybercriminals. Lockbit 3.0,

Malware 89

Malware Artificial Intelligence Penetration Testing Ransomware 89

Heimadal Security

SEPTEMBER 22, 2022

This sometimes entails developing brand-new malware; other times, it entails iteratively modifying malware that has already been proven effective in order to make use of fresh vulnerabilities or new attack strategies to avoid and infiltrate unprepared network infrastructures. This type of evolution in […].

Encryption 89

Encryption Malware Cybersecurity Ransomware 89

Graham Cluley

JULY 6, 2023

There's good news for any business that has fallen victim to the Akira ransomware. Security researchers have developed a free decryption tool for files that have been encrypted since the Akira ransomware first emerged in March 2023. Read more in my article on the Tripwire State of Security blog.

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Ransomware Encryption Malware 137

Thales Cloud Protection & Licensing

NOVEMBER 24, 2020

Mitigating Ransomware Attacks – Decoupling Encryption Keys From Encrypted Data. While ransomware attacks have been around for decades, their frequency has exponentially increased in the last few years, let alone the past several months during the pandemic. The ransomware threat landscape is no different in India.

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Encryption Ransomware Backups System Administration 62

Heimadal Security

OCTOBER 28, 2022

A threat group tracked as DEV-0950 was revealed to have used Clop ransomware to encrypt the network of victims previously infected with the Raspberry Robin worm. The Windows malware with […]. The post Raspberry Robin Linked to Clop Ransomware Attacks appeared first on Heimdal Security Blog.

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Ransomware Encryption Malware Cybersecurity 113

Security Affairs

APRIL 20, 2023

Threat actors are hacking poorly secured and Interned-exposed Microsoft SQL servers to deploy the Trigona ransomware. Threat actors are hacking into poorly secured and public-facing Microsoft SQL servers to deploy Trigona ransomware. _locked” extension to the filename of encrypted files.

Ransomware 82

Ransomware Malware Encryption Hacking 82

Krebs on Security

JUNE 2, 2020

The criminal group behind the REvil ransomware enterprise has begun auctioning off sensitive data stolen from companies hit by its malicious software. Over the past 24 hours, the crooks responsible for spreading the ransom malware “REvil” (a.k.a. A partial screenshot from the REvil ransomware group’s Dark Web blog.

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Ransomware Backups Encryption Internet 298

Quick Heal Antivirus

MARCH 29, 2023

The rise of ransomware and malware variants has been a growing concern for individuals and organizations alike. The post Deep Dive into Royal Ransomware appeared first on Quick Heal Blog.

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Ransomware Malware Encryption Cybersecurity 116

Heimadal Security

DECEMBER 9, 2022

To understand what targeted ransomware is and to know the difference between opportunistic and targeted ransomware, we first need to kick off this article at the very beginning. What is ransomware? Ransomware is malware that encrypts a victim’s data and charges them to reaccess it.

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Ransomware Encryption Malware 85

Security Affairs

JULY 20, 2022

Kaspersky researchers discovered a new ransomware family written in Rust, named Luna, that targets Windows, Linux, and ESXi systems. Researchers from Kaspersky Lab detailed a new ransomware family named Luna, which is written in Rust and is able to target Windows, Linux, and ESXi systems. A notable example includes BlackCat and Hive.

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Ransomware Encryption Malware Advertising 131

Security Affairs

MAY 18, 2021

Researchers at Tesorion released a decryptor for Judge ransomware that also decrypts files encrypted by the NoCry ransomware. In January this year, we published a blog post on our analysis of the Judge ransomware. After a few months, BleepingComputer wrote about a new variant of the Stupid ransomware, called NoCry.

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Ransomware Encryption Malware Hacking 123

Security Affairs

JUNE 10, 2022

The Cuba ransomware operators are back and employed a new version of its malware in recent attacks. Cuba ransomware has been active since at least January 2020. The ransomware encrypts files on the targeted systems using the “.cuba” The ransomware encrypts files on the targeted systems using the “.cuba”

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Ransomware Malware Encryption Hacking 122

Heimadal Security

APRIL 29, 2022

Bumblebee, a freshly uncovered malware loader, is most probably the Conti syndicate’s latest creation, aimed to replace the BazarLoader backdoor leveraged for ransomware payloads delivery purposes. The post Conti’s BazarLoader Replaced with Bumblebee Malware appeared first on Heimdal Security Blog.

Malware 94

Malware Encryption Phishing Ransomware 94

Graham Cluley

MARCH 17, 2023

Security researchers have released a new decryption tool which should come to the rescue of some victims of a modified version of the Conti ransomware, helping them to recover their encrypted data for free. Read more in my article on the Tripwire State of Security blog.

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Ransomware Encryption Malware 105

SecureList

JULY 20, 2022

If we look back at what we covered last month, we will see that ransomware (surprise, surprise!) In this blog post, we provide several excerpts from last month’s reports on new ransomware strains. Luna: brand-new ransomware written in Rust. definitely stands out. Command line options available in Luna. Black Basta.

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Ransomware Encryption Advertising Malware 99

Heimadal Security

JUNE 15, 2022

ALPHV BlackCat is a RaaS, therefore the ALPHV BlackCat operators recruit affiliates to perform corporate breaches and encrypt devices. ALPHV ransomware executable is written in Rust, a programming language that, while not often used by malware creators, is gaining popularity because of its high efficiency and memory safety.

Ransomware 105

Ransomware Encryption Malware Cybersecurity 105

Heimadal Security

OCTOBER 21, 2022

It is not often that ransomware groups attack Russian corporate networks, however OldGremlin, also known as TinyScouts, is one of the few cybercrime gangs that primarily focuses on Russian companies. The post OldGremlin Attacks Russian Organizations via Linux Ransomware appeared first on Heimdal Security Blog.

Ransomware 94

Ransomware Cybercrime Encryption Malware 94

Security Affairs

JANUARY 30, 2021

FonixCrypter ransomware operators shut down their operations, released the master decryption key for free, and deleted malware’s source code. Good news for the victims of the FonixCrypter ransomware, the operators behind the threat shut down their operations and released the master decryption key. Pierluigi Paganini.

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Ransomware Encryption Malware Cybercrime 133

Heimadal Security

APRIL 5, 2023

Researchers have unveiled a sophisticated and fast ransomware strain called Rorschach, previously undocumented. Malware experts discovered the new ransomware strain after a cyberattack on a U.S.-based

Ransomware 76

Ransomware Marketing Encryption Malware 76

Heimadal Security

SEPTEMBER 26, 2022

Exmatter, a well-known data exfiltration malware used by the BlackMatter ransomware group, has been spotted operating a new tactic. The malware was upgraded with data corruption functionality which might show a switch in the field of ransomware attacks with hackers preferring deserting the encryption tactic.

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Ransomware Encryption Malware Cybersecurity 85

Heimadal Security

JULY 28, 2023

In a previously-published material, Heimdal® has analyzed the emergent Dark Power malware – a ransomware strain written in the NIM programming and capable leveraging advanced encryption techniques such as CTR for a better stranglehold on the victim’s device and, implicitly, the hosted data.

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Ransomware Encryption Malware 78

Heimadal Security

JULY 14, 2022

The Lilith virus is the name of a ransomware threat. The primary objective of this kind of malware is to get access to your computer so that it may begin encrypting your information. The post Lilith, A New Ransomware, Has Claimed Its First Victim appeared first on Heimdal Security Blog. If […].

Ransomware 101

Ransomware Encryption Malware Cybersecurity 101

Krebs on Security

MARCH 1, 2022

A Ukrainian security researcher this week leaked several years of internal chat logs and other sensitive data tied to Conti , an aggressive and ruthless Russian cybercrime group that focuses on deploying its ransomware to companies with more than $100 million in annual revenue. On Sunday, Feb. “Sorry, but this is f *d up.

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Ransomware Healthcare Cybercrime Government 271

Heimadal Security

FEBRUARY 4, 2022

Ransomware is a type of malware (malicious software) that encrypts all data on a computer or mobile device, preventing the owner from accessing it. The post How to Prevent Ransomware? The post How to Prevent Ransomware? appeared first on Heimdal Security Blog.

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Ransomware Mobile Encryption Malware 93

Heimadal Security

APRIL 1, 2022

Aqua’s security assessment team has recently announced the discovery of a new type of ransomware. The yet-to-be-named malware uses Python-based scripting for malicious file encryption and subsequent obfuscation.

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Ransomware Engineering Encryption Malware 106

Security Affairs

MAY 4, 2022

A security researcher discovered that samples of Conti, REvil, LockBit ransomware were vulnerable to DLL hijacking. Page shared its findings through its Malvuln project exclusively dedicated to the research of security flaws in malware codes. “Conti looks for and executes DLLs in its current directory.

Ransomware 101

Ransomware Antivirus Malware Encryption 101