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. At the end of October 2023, Atlassian warned of a critical security flaw, tracked as CVE-2023-22518 (CVSS score 9.1), that affects all versions of Confluence Data Center and Server.

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Ransomware Encryption Malware Accountability 128

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 118

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 85

Encryption Ransomware Malware Backups 85

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 101

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 99

The Last Watchdog

JUNE 21, 2020

Ransomware is undoubtedly one of the most unnerving phenomena in the cyber threat landscape. Numerous strains of this destructive code have been the front-page news in global computer security chronicles for almost a decade now, with jaw-dropping ups and dramatic downs accompanying its progress. inch diskettes. inch diskettes.

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Ransomware Hacking Encryption Penetration Testing 243

Security Affairs

MARCH 6, 2024

Researchers warn that the cybercrime groups GhostSec and Stormous have joined forces in a new ransomware campaign. The GhostSec and Stormous ransomware gang are jointly conducting a ransomware campaign targeting various organizations in multiple countries, Cisco Talos reported. The GhostLocker 2.0 GhostLocker 2.0 GhostLocker 2.0

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Ransomware Encryption Cybercrime Hacking 110

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 83

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 82

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

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Encryption Ransomware Malware Hacking 143

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 109

Security Affairs

DECEMBER 4, 2021

The FBI has revealed that the Cuba ransomware gang breached the networks of at least 49 US critical infrastructure organizations. A flash alert published by the FBI has reported that the Cuba ransomware gang breached the networks of at least 49 US critical infrastructure organizations.

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Ransomware Hacking Malware Encryption 133

Security Affairs

OCTOBER 5, 2021

An unnamed ransomware gang used a custom Python script to target VMware ESXi and encrypt all the virtual machines hosted on the server. Researchers from Sophos were investigating a ransomware attack when discovered that the attackers employed a Python script to encrypt virtual machines hosted on VMware ESXi servers.

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Encryption Ransomware Passwords Accountability 132

Security Affairs

FEBRUARY 12, 2024

Researchers discovered a vulnerability in the code of the Rhysida ransomware that allowed them to develop a decryption tool. Cybersecurity researchers from Kookmin University and the Korea Internet and Security Agency (KISA) discovered an implementation vulnerability in the source code of the Rhysida ransomware.

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Ransomware Encryption VPN Manufacturing 110

Security Affairs

JANUARY 23, 2024

The Black Basta ransomware gang claimed to have hacked the UK water utility Southern Water, a major player in the UK water industry. The Black Basta ransomware group added Southern Water to the list of victims on its Tor data leak site and threatened to leak the stolen data on February 29, 2024.

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Hacking Encryption Ransomware Insurance 109

Security Affairs

AUGUST 22, 2023

The Akira ransomware gang targets Cisco VPN products to gain initial access to corporate networks and steal their data. The Akira ransomware has been active since March 2023, the threat actors behind the malware claim to have already hacked multiple organizations in multiple industries, including education, finance, and real estate.

VPN 84

VPN Ransomware Hacking Education 84

Security Affairs

JANUARY 2, 2024

A team of researchers released a suite of tools that could help victims to decrypt data encrypted with by the Black Basta ransomware. Independent security research and consulting team SRLabs discovered a vulnerability in Black Basta ransomware’s encryption algorithm and exploited it to create a free decryptor.

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Ransomware Encryption Insurance Malware 110

Security Affairs

DECEMBER 1, 2023

The popular cybersecurity researcher Patrick Wardle dissected the new macOS ransomware Turtle used to target Apple devices. The popular cyber security researcher Patrick Wardle published a detailed analysis of the new macOS ransomware Turtle. The malware adds the extension “ TURTLERANSv0 ” to the filenames of encrypted files.

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Ransomware Encryption Malware Cybercrime 121

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 100

Security Affairs

OCTOBER 31, 2020

The REvil ransomware operators made the headlines again, this time the gang claims to have hacked the Gaming Partners International (GPI). The REvil ransomware gang (aka Sodinokibi) claims to have stolen info from the systems at the company before encrypting them. Pierluigi Paganini.

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Hacking Ransomware Advertising Encryption 121

Security Affairs

JUNE 15, 2021

The source code for the Paradise Ransomware has been released on a hacking forum allowing threat actors to develop their customized variant. The source code for the Paradise Ransomware has been released on the hacking forum XSS allowing threat actors to develop their own customized ransomware operation.

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Ransomware Hacking Encryption Malware 117

CyberSecurity Insiders

FEBRUARY 21, 2023

All these days we have read about ransomware spreading groups stealing data and then threatening to release it online, if the victim fails to pay heed to their demands. But now a new file encrypting malware variant has emerged onto the block that demands ransom, based on the insurance cover.

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Insurance Ransomware Cyber Insurance Encryption 124

Security Affairs

NOVEMBER 11, 2020

?Ragnar Locker Ransomware operators have started to run Facebook advertisements to force their victims into paying the ransom. In November 2019, ransomware operators have started adopting a new double-extortion strategy first used by the Maze gang that sees threat actors also stealing unencrypted files before encrypting infected systems.

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Advertising Hacking Ransomware Accountability 120

Security Affairs

MAY 13, 2024

Experts reported that since April, the Phorpiex botnet sent millions of phishing emails to spread LockBit Black ransomware. The ZIP archives contain a compressed executable payload that, if executed, will start the encryption process with LockBit Black ransomware. ” states the report published by the NJCCIC. 177 and 185[.]215[.]113[.]66.

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Phishing Ransomware Security Awareness Authentication 104

Security Affairs

FEBRUARY 19, 2024

The Cactus ransomware gang claims the theft of 1.5TB of data from the Energy management and industrial automation firm Schneider Electric. The Cactus ransomware group claims responsibility for pilfering 1.5TB of data from the Energy management and industrial automation giant Schneider Electric.

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Ransomware Digital transformation Retail Antivirus 97

Security Affairs

SEPTEMBER 1, 2023

Researchers released a free decryptor for the Key Group ransomware that allows victims to recover their data without paying a ransom. Threat intelligence firm EclecticIQ released a free decryption tool for the Key Group ransomware (aka keygroup777) that allows victims to recover their data without paying a ransom.

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Ransomware Encryption Backups Malware 107

Security Affairs

OCTOBER 2, 2022

Another US defense contractor suffered a data breach, the BlackCat ransomware gang claims to have hacked NJVC. The ALPHV/BlackCat ransomware gang claims to have breached the IT firm NJVC , which supports the federal government and the United States Department of Defense. SecurityAffairs – hacking, NJVC).

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Hacking Ransomware Data breaches Government 92

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. At the time of this writing, the Loren group has started uploading the stolen data (95%) US Healthcare organizations continue to be a privileged target of ransomware gangs.

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Ransomware Healthcare Encryption Cyber Attacks 118

Security Affairs

SEPTEMBER 2, 2022

Uptycs researchers recently spotted a new Linux ransomware that appears to be under active development. The Uptycs Threat Research team recently observed an Executable and Linkable Format ( ELF ) ransomware which encrypts the files inside Linux systems based on the given folder path. Figure 1: DarkAngels ransomware README.

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Ransomware Encryption Malware Hacking 141

Security Affairs

MAY 5, 2024

FuckRansomware pic.twitter.com/uD09m7AukH — Jon DiMaggio (@Jon__DiMaggio) May 5, 2024 However, researchers at VX-underground have spoken with Lockbit ransomware group administrative staff regarding the return of the old domain and the gang claims law enforcement is lying. Lockbit ransomware group states law enforcement is lying.

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Ransomware Cybercrime Cyber Attacks Encryption 121

Security Affairs

MARCH 20, 2021

Taiwanese multinational hardware and electronics corporation Acer was victim of a REvil ransomware attack, the gang demanded a $50,000,000 ransom. Taiwanese computer giant Acer was victim of the REvil ransomware attack, the gang is demanding the payment of a $50,000,000 ransom, the largest one to date. billion in revenue.

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Ransomware Hacking Computers and Electronics Malware 139

Security Affairs

SEPTEMBER 13, 2023

3AM is a new strain of ransomware that was spotted in a single incident in which the threat actors failed to deploy the LockBit ransomware in the target infrastructure. The threat actors managed to deploy the ransomware to three computers on the target organization’s network, but it was blocked on two of those three machines.

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Ransomware Encryption Cybercrime Backups 109

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 120

Security Boulevard

FEBRUARY 11, 2022

It had no documented cyber incident response runbooks or IT recovery plans (apart from documented AD recovery plans) for recovering from a wide-scale ransomware event. The antivirus server was later encrypted in the attack). The post On the Irish Health Services Executive Hack appeared first on Security Boulevard.

Hacking 98

Hacking Antivirus CISO Ransomware 98

Security Affairs

JANUARY 11, 2022

Another gang, Night Sky ransomware operation, started exploiting the Log4Shell vulnerability in the Log4j library to gain access to VMware Horizon systems. The Night Sky ransomware operation started exploiting the Log4Shell flaw (CVE-2021-44228) in the Log4j library to gain access to VMware Horizon systems.

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Ransomware Hacking Internet Internet 94

Security Affairs

OCTOBER 15, 2023

The Alphv ransomware group added the Morrison Community Hospital to its dark web leak site. The ALPHV/BlackCat ransomware group claims to have hacked the Morrison Community Hospital and added it to its dark web Tor leak site. Other ransomware attacks recently hit US hospitals. Threat actors continue to target hospitals.

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Ransomware Healthcare Data breaches Cyber Attacks 115

Security Affairs

FEBRUARY 2, 2021

Ransomware operators are exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992, to encrypt virtual hard disks. Security experts are warning of ransomware attacks exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992 , to encrypt virtual hard disks. Pierluigi Paganini.

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Encryption Ransomware System Administration Hacking 88