Security Affairs

MARCH 19, 2022

The AvosLocker ransomware-as-a-service emerged in the threat landscape in September 2021, since January the group expanded its targets by implementing the support for encrypting Linux systems, specifically VMware ESXi servers. Regularly back up data, password protect backup copies offline. hard drive, storage device, the cloud).

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Ransomware DDOS Passwords Backups 97

Security Affairs

FEBRUARY 14, 2022

As of November 2021, BlackByte ransomware had compromised multiple US and foreign businesses, including entities in at least three US critical infrastructure sectors (government facilities, financial, and food & agriculture).” Install updates/patch operating systems, software, and firmware as soon as updates/patches are released.

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Ransomware Accountability Firmware Antivirus 88

Security Affairs

SEPTEMBER 3, 2021

“Cyber criminal threat actors exploit network vulnerabilities to exfiltrate data and encrypt systems in a sector that is increasingly reliant on smart technologies, industrial control systems, and internet-based automation systems. The good news is in the latter attack the victims restored its backups.

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Ransomware Passwords Backups Firmware 96

Malwarebytes

JULY 20, 2022

The FBI started responding to incidents involving Maui in May 2021. According to court documents, in May 2021, North Korean hackers used a ransomware strain called Ransom.Maui to encrypt the files and servers of a medical center in the District of Kansas. Keep operating systems, applications, and firmware up to date.

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Ransomware Cryptocurrency Healthcare Firmware 89

eSecurity Planet

FEBRUARY 15, 2022

The ransomware encrypts files on compromised Windows host systems, including physical and virtual servers, the advisory noted, and the executable leaves a ransom note in all directories where encryption occurs, including ransom payment instructions for obtaining a decryption key. CISA Vulnerabilities Affect Apple, Oracle and Others.

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Ransomware Encryption Backups Accountability 127

Malwarebytes

JANUARY 28, 2022

QNAP) pushed out an automatic, forced, update with firmware containing the latest security updates to protect against the attackers’ “DeadBolt” ransomware. They also use the same name in the file extension of the encrypted files their ransomware generates. All your files have been encrypted. What happened?

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Ransomware Firmware Encryption Backups 66

Malwarebytes

MARCH 10, 2022

Observed since: July 2021 Ransomware note: BlackByteRestore.txt Ransomware extension: BlackByte Kill Chain: Some victims reported that attackers used known Microsoft Exchange Server vulnerabilities to gain access to their networks. > Observed since: January 2021 Ransomware note: BackFiles_encoded01.txt Mitigations.

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Ransomware Phishing Accountability Technology 68

Security Boulevard

MAY 9, 2022

Either way, this ransomware-for-hire has been around far longer (in internet terms) than the bulletin may have some believe, having been first seen in September 2021. The ransomware targets virtual machines and snapshots, looking to escape containers, encrypt any possible persistence, and wipe out backups that weren’t carefully archived.

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Ransomware Antivirus Backups Passwords 98

Malwarebytes

MAY 6, 2022

REvil (aka Sodinokibi) first appeared in May 2020 and has been responsible for numerous high-profile ransomware attacks, including arguably the biggest ransomware attack of all time—a supply-chain attack on Kaseya VSA in July 2021 that is thought to have affected over 1,000 businesses. Ransomware attacks in April 2022. Ransomware mitigations.

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Ransomware Encryption Accountability Technology 79

Malwarebytes

MAY 28, 2021

According to Coveware, a company that offers incident response services to organizations impacted by ransomware attacks, Conti is the second most common ransomware family that victim organizations have reported in the first quarter of 2021. Earlier versions appended the.CONTI extension to encrypted files.

Healthcare 103

Healthcare Ransomware Encryption Passwords 103

Security Affairs

APRIL 2, 2021

In March 2021, government experts observed state sponsored hackers scanning the internet for servers vulnerable to the above flaws, the attackers were probing systems on ports 4443, 8443, and 10443. Regularly back up data, air gap, and password protect backup copies offline. Implement network segmentation.

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Passwords Government Firmware Accountability 65

Malwarebytes

APRIL 5, 2023

The Cybersecurity and Infrastructure Security Agency (CISA) found that K–12 cyberattacks more than tripled over the pandemic, from 400 reported incidents in 2018 to over 1,300 in 2021. In 2021, 56 percent of K–12 schools and 64 percent of higher education institutions reported being hit by some type of ransomware.

Education 60

Education Ransomware Cybersecurity Risk 60

eSecurity Planet

MAY 28, 2021

We look at three RSAC 2021 sessions and some of the most daunting vulnerabilities presented by the SANS Institute, Cybersecurity and Infrastructure Security Agency (CISA), and Varonis Systems. Also Read: And the Winner of the 2021 RSA Innovation Contest is… SANS: Five dangerous new attack techniques and vulnerabilities.

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McAfee

AUGUST 24, 2021

Though this partnership, our research led us to discover five previously unreported vulnerabilities in the medical system which include: CVE-2021-33886 – Use of Externally-Controlled Format String (CVSS 7.7). CVE-2021-33885 – Insufficient Verification of Data Authenticity (CVSS 9.7). Braun on January 11, 2021.

Computers and Electronics 145

Computers and Electronics Authentication Software Risk 145

Malwarebytes

JULY 13, 2022

Hive ransomware, a RaaS launched in June 2021, was also busy in March. The threat actors have been linked to numerous high-profile ransomware incidents, including arguably the biggest ransomware attack of all time—a supply-chain hit on Kaseya in July 2021 believed to have affected over 1,000 businesses. Noteworthy May attacks.

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Ransomware Manufacturing Government Computers and Electronics 106

Malwarebytes

FEBRUARY 1, 2023

A malformed software update also affected Kaseya's clients in 2021. And while approval is pending, a separate group creates offline backups of essential files that are needed in the event of an error and affected systems need restoring. Create and test offline backups Speaking of backups, never assume they work.

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Software Risk Backups Technology 71

eSecurity Planet

OCTOBER 21, 2022

One of the most dangerous kinds of malware for businesses, ransomware can slip into a network or device and encrypt sensitive files or lock down the entire device unless the victims pay the hacker a usually-sizable fee to unlock it – and even then, decryption fails most of the time. Firmware rootkits are also known as “hardware rootkits.”.

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Malware Adware Spyware Antivirus 75

SecureList

JANUARY 31, 2024

However, they can learn to mitigate the impact more effectively (for example, through better securing the most confidential data, and with proper backup and incident response plans). Potential victims are unlikely to become immune to attacks any time soon. Vehicle manufacturers and service providers sometimes do likewise.

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Ransomware Energy and Utilities Marketing Backups 69

SecureList

JULY 28, 2022

We identified a Windows variant of this sample using the same string encryption algorithm, internal modules, and functionalities. In late 2021, we encountered a malicious DXE driver incorporated into several UEFI firmware images that were flagged by our firmware scanner (integrated into Kaspersky products at the start of 2019).

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