Security Affairs

FEBRUARY 7, 2023

A new Linux variant of the Clop ransomware has been observed in the wild, the good news is that its encryption algorithm is flawed. SentinelLabs researchers have observed the first Linux variant of the Clop ransomware. This generated RC4 key is used to encrypt the mappedAddress and write it back to the file.”

Encryption 87

Encryption Ransomware Cybercrime Engineering 87

Security Affairs

AUGUST 31, 2021

Recently emerged LockFile ransomware family LockFile leverages a novel technique called intermittent encryption to speed up encryption. LockFile ransomware gang started its operations last month, recently it was spotted targeting Microsoft Exchange servers using the recently disclosed ProxyShell vulnerabilities.

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Encryption Ransomware Financial Services Antivirus 107

Bleeping Computer

MARCH 12, 2021

One overriding concern has been when will ransomware actors use the vulnerabilities to compromise and encrypt mail servers. [.]. For the past two weeks, the cybersecurity news has been dominated by stories about the Microsoft Exchange ProxyLogon vulnerabilities.

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Encryption Ransomware Cybersecurity 105

Security Affairs

JULY 29, 2021

ransomware is now able to encrypt Windows domains by using Active Directory group policies. ransomware that encrypts Windows domains by using Active Directory group policies. ransomware that encrypts Windows domains by using Active Directory group policies. Like other ransomware operations, LockBit 2.0

Encryption 144

Encryption Ransomware Malware Hacking 144

CyberSecurity Insiders

APRIL 18, 2022

Ireland Health Service (HSE) was cyber-attacked by CONTI Ransomware group in mid last year and news is now out that 80% of the data been stored on the servers of the healthcare services provider was encrypted by the said a gang of criminals. And the result on whether the information truly belonged to HSE is awaited! .

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Encryption Ransomware Healthcare Threat Detection 111

Security Affairs

OCTOBER 29, 2021

The Hive ransomware operators have developed a new variant of their malware that can encrypt Linux and FreeBSD. ESET researchers discovered a new Hive ransomware variant that was specifically developed to encrypt Linux and FreeBSD. ESETresearch has identified Linux and FreeBSD variants of the #Hive #Ransomware.

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Encryption Ransomware Spyware Malware 107

Bleeping Computer

JUNE 1, 2022

The duration of ransomware attacks in 2021 averaged 92.5 In 2020, ransomware actors spent an average of 230 hours to complete their attacks and 1637.6 hours, measured from initial network access to payload deployment. hours in 2019. [.].

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Heimadal Security

FEBRUARY 25, 2022

Conti ransomware is an extremely damaging malicious actor due to the speed with which it encrypts data and spreads to other systems. To penetrate a victim’s systems Conti ransomware operators will employ a wide variety of tactics.

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CyberSecurity Insiders

AUGUST 2, 2021

According to a report released by SonicWall, over 300 million ransomware attacks were observed in the first half of 2021, surpassing 2020s total of 302.73 And the highlight of the find is that the month June 2021 alone witnessed a record new high of 78.4 And this is said to have led to the rise in ransomware attacks.

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Ransomware Encryption Malware Cybersecurity 119

SecureList

APRIL 18, 2022

Yanluowang is a type of targeted ransomware discovered by the Symantec Threat Hunter team as they were investigating an incident on a large corporate network. Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files.

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Encryption Ransomware Backups VPN 143

Security Affairs

JANUARY 1, 2024

The Cactus ransomware group claims to have hacked Coop, one of the largest retail and grocery providers in Sweden. The Cactus ransomware group claims to have hacked Coop and is threatening to disclose a huge amount of personal information, over 21 thousand directories. The Cactus ransomware relies on multiple legitimate tools (e.g.

Retail 125

Retail Ransomware Encryption Hacking 125

Tech Republic Security

JULY 7, 2022

Since May of 2021, state-sponsored attackers have been deploying Maui ransomware in an attempt to encrypt sensitive records and disrupt services for vulnerable healthcare organizations. The post North Korean-sponsored ransomware attacks target US healthcare companies appeared first on TechRepublic.

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Healthcare Ransomware Encryption 156

eSecurity Planet

FEBRUARY 16, 2021

The internet is fraught with peril these days, but nothing strikes more fear into users and IT security pros than the threat of ransomware. A ransomware attack is about as bad as a cyber attack can get. Jump to: What is ransomware? How ransomware works. Preventing ransomware. Ransomware attacks and costs.

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Ransomware Backups Software Encryption 97

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.

Encryption 62

Encryption Ransomware Backups System Administration 62

SecureList

APRIL 18, 2022

Yanluowang is a type of targeted ransomware discovered by the Symantec Threat Hunter team as they were investigating an incident on a large corporate network. Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files.

Encryption 111

Encryption Ransomware Backups VPN 111

Security Affairs

OCTOBER 9, 2023

A threat actor has leaked the source code for the first version of the HelloKitty ransomware on a Russian-speaking cybercrime forum. kapuchin0 claims that the leaked code is the first breach of the HelloKitty ransomware. kapuchin0 claims that the leaked code is the first breach of the HelloKitty ransomware.

Cybercrime 118

Cybercrime Ransomware DDOS Encryption 118

Security Affairs

DECEMBER 22, 2022

The Vice Society ransomware group has adopted new custom ransomware, with a strong encryption scheme, in recent intrusions. SentinelOne researchers discovered that the Vice Society ransomware gang has started using a custom ransomware that implements a robust encryption scheme, using NTRUEncrypt and ChaCha20-Poly1305 algorithms.

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Ransomware Encryption Malware Education 126

CyberSecurity Insiders

NOVEMBER 18, 2021

Sophos, the multinational data security firm, has found a new variant of ransomware dubbed Memento that is exhibiting new traits rather than just locking down the files after stealing a portion of data. Researchers have found that Memento Ransomware does the usual encryption process after stealing a portion of data.

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Ransomware Encryption Passwords Technology 136

Bleeping Computer

JULY 3, 2021

Friday afternoon, we saw the largest ransomware attack ever conducted after the REvil ransomware gang used a zero-day vulnerability in the Kaseya VSA management software to encrypt MSPs and their customers worldwide. [.].

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Ransomware Encryption Software 128

Heimadal Security

JULY 29, 2021

In the context of the pandemic that flared up in 2020, 2021 has been a revolutionary year, with massive transformations in multiple sectors of our lives. Here’s a quick overview regarding the 2021 cybermarket movements and how Heimdal™ has responded to them so far.

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Encryption Ransomware 98

eSecurity Planet

DECEMBER 13, 2021

Cybersecurity vaccines are emerging as a new tool to defend against threats like ransomware and zero-day vulnerabilities. Cybersecurity firms have released “vaccines” in recent days to protect against the widely used STOP ransomware strain and the new Apache Log4Shell vulnerability. They also come with the same limitations.

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Ransomware Cybersecurity Encryption Malware 144

eSecurity Planet

OCTOBER 4, 2021

percent of all malware detected on networks of WatchGuard Technologies customers in the second quarter came over encrypted connections, raising the security risk for the 80 percent of such organizations that lack processes for decrypting and scanning HTTPS traffic for threats. Malware in Encrypted Traffic. A surprising 91.5

Encryption 143

Encryption Malware Ransomware Firewall 143

Security Affairs

JULY 15, 2021

HelloKitty ransomware gang is using a Linux variant of their malware to target VMware ESXi virtual machine platform. A Linux variant of the HelloKitty ransomware was employed in attacks against VMware ESXi systems. Once the virtual machines are shut down, the ransomware will encrypt .vmdk vmdk (virtual hard disk), .vmsd

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Ransomware Encryption Malware Hacking 143

Security Affairs

JANUARY 11, 2022

AvosLocker is the latest ransomware that implemented the capability to encrypt Linux systems including VMware ESXi servers. AvosLocker expands its targets by implementing the support for encrypting Linux systems, specifically VMware ESXi servers, Bleeping computed reported. The AvosLocker ransomware appends the .avoslinux

Ransomware 119

Ransomware Encryption Advertising Malware 119

Security Affairs

FEBRUARY 9, 2023

Experts warn of new ESXiArgs ransomware attacks using an upgraded version that makes it harder to recover VMware ESXi virtual machines. Experts spotted a new variant of ESXiArgs ransomware targeting VMware ESXi servers, authors have improved the encryption process, making it much harder to recover the encrypted virtual machines.

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Ransomware Encryption Hacking Cybercrime 88

Security Affairs

NOVEMBER 12, 2023

The Lorenz ransomware gang has been active since April 2021 and hit multiple organizations worldwide demanding hundreds of thousands of dollars in ransom to the victims. In mid-October, the ALPHV/BlackCat ransomware group claimed to have hacked the Morrison Community Hospital and added it to its dark web Tor leak site.

Ransomware 125

Ransomware Healthcare Encryption Cyber Attacks 125

Security Affairs

MARCH 24, 2021

Security experts reported that a second ransomware gang, named Black Kingdom , is targeting Microsoft Exchange servers. The first ransomware gang exploiting the above issues in attacks in the wild was a group tracked as DearCry. pic.twitter.com/POYlPYGjsz — MalwareTech (@MalwareTechBlog) March 21, 2021. Pierluigi Paganini.

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Ransomware Encryption VPN Malware 139

Security Affairs

SEPTEMBER 28, 2023

Johnson Controls International suffered a ransomware attack that impacted the operations of the company and its subsidiaries. Johnson Controls International announced it has suffered a ransomware attack that impacted many systems of the company, Bleeping Computer reported. ” reported Bleeping Computer. .”

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Ransomware Insurance Technology Encryption 116

Security Affairs

JUNE 30, 2022

Good news for the victims of the Hive ransomware, Korean security researchers have released a free decryptor for some versions. Good news for the victims of the Hive ransomware , the South Korean cybersecurity agency KISA has released a free decryptor for versions from v1 till v4.

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Ransomware Cybersecurity Encryption VPN 107

Malwarebytes

FEBRUARY 13, 2023

New encryption routine Victims have reported a new variant of the encryptor that no longer leaves large chunks of data unencrypted. The recovery script released by CISA for organizations that have fallen victim to ESXiArgs ransomware reportedly no longer works for this new variant.

Encryption 67

Encryption Ransomware Internet Internet 67

Security Affairs

JANUARY 3, 2022

Which are the cyber attacks of 2021 that had the major impact on organizations worldwide in terms of financial losses and disruption of the operations? The systems at the company were infected with the Phoenix Locker, a variant of ransomware tracked as Hades that was part of the arsenal of the cybercrime group known as Evil Corp.

Cyber Attacks 112

Cyber Attacks Ransomware Insurance Hacking 112

Malwarebytes

SEPTEMBER 19, 2023

The German police in cooperation with the US Secret Service have executed search warrants against suspected members of the DoppelPaymer ransomware group in Germany and Ukraine. Over the last years, DoppelPaymer claimed responsibility for a high-profile ransomware attack on Kia Motors America. Stop malicious encryption.

Ransomware 116

Ransomware Backups Cryptocurrency Cybercrime 116

Security Affairs

DECEMBER 14, 2021

Bitdefender researchers discovered that threat actors are attempting to exploit the Log4Shell flaw to deliver the new Khonsari ransomware on Windows machines. Experts warn that threat actors are attempting to exploit the Log4Shell flaw to deliver the new Khonsari ransomware on Windows machines. SecurityAffairs – hacking, ransomware).

Ransomware 142

Ransomware Encryption Engineering Malware 142

CyberSecurity Insiders

JUNE 23, 2021

million ransomware attack attempts were detected by its researchers in May 2021, highlighting the fact that ransomware has become the most profitable cyber weapon for hackers to bank on. SonicWall researchers suggest that the maximum increase in ransomware incidents was seen in the United States followed by the United Kingdom.

Ransomware 72

Ransomware Cryptocurrency Banking Encryption 72

Security Affairs

OCTOBER 15, 2021

A joint cybersecurity advisory published by US agencies revealed that three ransomware attacks on wastewater systems this year. A joint cybersecurity advisory published today by the FBI, NSA, CISA, and the EPA revealed three more attacks launched by Ransomware gangs against US water and wastewater treatment facilities (WWS) this year.

Ransomware 93

Ransomware Cyber threats Firmware Backups 93

Security Affairs

AUGUST 5, 2021

The BlackMatter ransomware gang has implemented a Linux encryptor to targets VMware ESXi virtual machine platform. This is the last ransomware in order of time that is able to target VM platforms, some of the other ransomware operations that do the same are REvil , RansomExx/Defray , Mespinoza , HelloKitty , and Babuk.

Ransomware 138

Ransomware Encryption Healthcare Cybercrime 138

CSO Magazine

AUGUST 13, 2021

Ransomware attacks on large enterprises like Colonial Pipeline dominate the headlines. But did you know small and medium-size businesses (SMBs) account for at least half of all ransomware attacks, if not closer to two-thirds, according to the U.S. 1 In fact, ransomware is the most common cyberthreat that SMBs face. What it is.

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Ransomware Digital transformation Insurance Encryption 121