CyberSecurity Insiders

SEPTEMBER 13, 2022

According to a study conducted by security firm SentinelOne, ransomware spreading hackers are adopting a new encryption standard named ‘Intermittent Encryption’ while targeting victims. Intermittent Encryption is nothing but locking down files on a partial note and at a great speed that also helps in being detected.

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Encryption Ransomware Advertising Malware 121

Tech Republic Security

SEPTEMBER 12, 2022

Some ransomware groups are now using a new method to try to bypass those detections. The post Ransomware makes use of intermittent encryption to bypass detection algorithms appeared first on TechRepublic.

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Encryption Ransomware 148

Schneier on Security

MARCH 1, 2022

Nice piece of research : Abstract: Among the many types of malicious codes, ransomware poses a major threat. Ransomware encrypts data and demands a ransom in exchange for decryption. In this paper, we analyzed Hive ransomware, which appeared in June 2021.

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Ransomware Encryption 260

Tech Republic Security

JANUARY 5, 2023

Google, Microsoft and Proton launched new end-to-end encryption products to confront the 50% increase in ransomware, phishing and other email-vector attacks from the first half of 2022. The post Cloud email services bolster encryption against hackers appeared first on TechRepublic.

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Encryption Phishing Ransomware VPN 186

eSecurity Planet

SEPTEMBER 22, 2022

To accelerate the ransomware encryption process and make it harder to detect, cybercriminal groups have begun using a new technique: intermittent encryption. Intermittent encryption allows the ransomware encryption malware to encrypt files partially or only encrypt parts of the files.

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Encryption Ransomware Backups Advertising 120

Bleeping Computer

SEPTEMBER 10, 2022

A growing number of ransomware groups are adopting a new tactic that helps them encrypt their victims' systems faster while reducing the chances of being detected and stopped. [.].

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Encryption Ransomware 142

Bleeping Computer

MAY 10, 2023

Security researchers have shared a new Python-based ransomware recovery tool named 'White Phoenix' on GitHub, which lets victims of ransomware strains that use intermittent encryption recover their files for free. [.]

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Encryption Ransomware 114

Security Affairs

JUNE 8, 2022

Black Basta ransomware gang implemented a new feature to encrypt VMware ESXi virtual machines (VMs) running on Linux servers. The Black Basta ransomware gang now supports encryption of VMware ESXi virtual machines (VMs) running on Linux servers. SecurityAffairs – hacking, Black Basta ransomware).

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Encryption Ransomware Malware Hacking 141

Security Affairs

APRIL 17, 2024

Threat actors are exploiting the CVE-2023-22518 flaw in Atlassian servers to deploy a Linux variant of Cerber (aka C3RB3R) ransomware. Cado Security Labs recently became aware that Cerber ransomware is being deployed into Confluence servers via the CVE-2023-22518 exploit. ” states Cado Security. ” continues the report.

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Ransomware Encryption Malware Accountability 136

Krebs on Security

NOVEMBER 17, 2022

Peter is an IT manager for a technology manufacturer that got hit with a Russian ransomware strain called “ Zeppelin ” in May 2020. He’d been on the job less than six months, and because of the way his predecessor architected things, the company’s data backups also were encrypted by Zeppelin.

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Ransomware Encryption Backups Healthcare 300

Bleeping Computer

JUNE 12, 2022

Cybersecurity researchers report increased activity of the Hello XD ransomware, whose operators are now deploying an upgraded sample featuring stronger encryption. [.].

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Encryption Ransomware Cybersecurity 143

Bleeping Computer

AUGUST 6, 2022

A new ransomware family called 'GwisinLocker' targets South Korean healthcare, industrial, and pharmaceutical companies with Windows and Linux encryptors, including support for encrypting VMware ESXi servers and virtual machines. [.].

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Encryption Ransomware Healthcare 141

Security Affairs

FEBRUARY 6, 2023

Royal Ransomware operators added support for encrypting Linux devices and target VMware ESXi virtual machines. The Royal Ransomware gang is the latest extortion group in order of time to add support for encrypting Linux devices and target VMware ESXi virtual machines.

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Encryption Ransomware Malware Healthcare 98

CSO Magazine

DECEMBER 14, 2022

A new ransomware group dubbed Royal that formed earlier this year has significantly ramped up its operations over the past few months and developed its own custom ransomware program that allows attackers to perform flexible and fast file encryption. To read this article in full, please click here

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Encryption Ransomware 120

Security Boulevard

SEPTEMBER 14, 2022

The 100+ newly introduced ransomware encryption attacks will now allow teams to simulate the actual ransomware behavior making the attack more realistic and increasing the validity of the results. The post Product Update – SafeBreach Introduces New Ransomware Encryption Attacks appeared first on SafeBreach.

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Encryption Ransomware 96

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.

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Encryption Ransomware Malware Backups 97

CSO Magazine

AUGUST 30, 2021

A new ransomware threat called LockFile has been victimizing enterprises worldwide since July. Key to its success are a few new tricks that make it harder for anti-ransomware solutions to detect it. Learn how recent ransomware attacks define the malware's new age and 5 reasons why the cost of ransomware attacks is rising. |

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Encryption Ransomware CSO Antivirus 125

Dark Reading

MAY 10, 2023

"White Phoenix" automated tool for recovering data on partially encrypted files hit with ransomware is available on GitHub.

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Encryption Ransomware 109

Bleeping Computer

AUGUST 11, 2022

The Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) warned US organizations today that attackers deploying Zeppelin ransomware might encrypt their files multiple times. [.].

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Encryption Ransomware Cybersecurity 139

Bleeping Computer

OCTOBER 29, 2021

The Hive ransomware gang now also encrypts Linux and FreeBSD using new malware variants specifically developed to target these platforms. [.].

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Encryption Ransomware Malware 145

Tech Republic Security

MARCH 25, 2022

Security researchers tested 10 malware variants and found speeds ranging from four minutes to more than three hours to encrypt 53GB. The post LockBit beats REvil and Ryuk in Splunk’s ransomware encryption speed test appeared first on TechRepublic.

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Encryption Ransomware Malware 127

The Hacker News

JULY 6, 2022

The operators of the Hive ransomware-as-a-service (RaaS) scheme have overhauled their file-encrypting software to fully migrate to Rust and adopt a more sophisticated encryption method.

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Encryption Ransomware Software 113

Heimadal Security

JULY 28, 2021

The LockBit ransomware was launched in September 2019 as a ransomware-as-a-service. The post LockBit Ransomware Is Now Encrypting Windows Domains appeared first on Heimdal Security Blog. The post LockBit Ransomware Is Now Encrypting Windows Domains appeared first on Heimdal Security Blog.

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Encryption Ransomware Malware Software 124

Security Affairs

FEBRUARY 21, 2022

Researchers discovered a flaw in the encryption algorithm used by Hive ransomware that allowed them to decrypt data. Researchers discovered a flaw in the encryption algorithm used by Hive ransomware that allowed them to decrypt data without knowing the private key used by the gang to encrypt files.

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Encryption Ransomware VPN Malware 96

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 115

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.”

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Encryption Ransomware Cybercrime Engineering 96

Security Affairs

NOVEMBER 19, 2023

8Base ransomware operators were observed using a variant of the Phobos ransomware in a recent wave of attacks. Cisco Talos researchers observed 8Base ransomware operators using a variant of the Phobos ransomware in recent attacks. The ransomware component is then decrypted and loaded into the SmokeLoader process’ memory.

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Ransomware Encryption Backups Manufacturing 127

Bleeping Computer

JULY 21, 2022

Details have emerged on how the Conti ransomware gang breached the Costa Rican government, showing the attack's precision and the speed of moving from initial access to the final stage of encrypting devices. [.].

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Encryption Government Ransomware Hacking 133

Bleeping Computer

SEPTEMBER 15, 2021

The justice ministry of the South African government is working on restoring its operations after a recent ransomware attack encrypted all its systems, making all electronic services unavailable both internally and to the public. [.].

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Encryption Ransomware Government 145

Security Affairs

APRIL 21, 2024

Government agencies revealed that Akira ransomware has breached over 250 entities worldwide and received over $42 million in ransom payments. Like other ransomware gangs, the group has developed a Linux encryptor to target VMware ESXi servers. “Akira threat actors utilize a sophisticated hybrid encryption scheme to lock data.

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Ransomware Encryption Antivirus VPN 100

The Hacker News

DECEMBER 23, 2022

The Vice Society ransomware actors have switched to yet another custom ransomware payload in their recent attacks aimed at a variety of sectors. Vice Society, which is tracked by Microsoft under the

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Encryption Ransomware 90

Security Affairs

JULY 6, 2022

Hive ransomware operators have improved their file-encrypting module by migrating to Rust language and adopting a more sophisticated encryption method. ” These upgrades prove that Hive is one of the fastest evolving ransomware families in the cybercrime ecosystem. . ” reads the post published by Microsoft.

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Encryption Ransomware Cybercrime Malware 122

Bleeping Computer

JULY 27, 2021

ransomware has been found that automates the encryption of a Windows domain using Active Directory group policies. [.]. An new version of the LockBit 2.0

Encryption 145

Encryption Ransomware 145

Bleeping Computer

JULY 27, 2021

ransomware has been found that automates the encryption of a Windows domain using Active Directory group policies. [.]. An new version of the LockBit 2.0

Encryption 145

Encryption Ransomware 145

eSecurity Planet

OCTOBER 6, 2021

Ransomware attacks are a huge concern these days, especially for corporate networks. Indeed, when the ransomware reaches its target, it’s practically game over. The malware encrypts files and spreads to the entire system to maximize damage, which forces companies to lock down the whole network to stop the propagation.

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Encryption Ransomware Backups Malware 84

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 115

Bleeping Computer

SEPTEMBER 14, 2023

An affiliate of the BlackCat ransomware group, also known as APLHV, is behind the attack that disrupted MGM Resorts' operations, forcing the company to shut down IT systems. [.]

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Ransomware Encryption 137