eSecurity Planet

FEBRUARY 16, 2021

Malware, short for “malicious software,” is any unwanted software on your computer that, more often than not, is designed to inflict damage. Since the early days of computing, a wide range of malware types with varying functions have emerged. Best Practices to Defend Against Malware. Jump ahead: Adware. RAM scraper.

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Security Affairs

APRIL 23, 2021

The malware moves all files stored on the device to password-protected 7zip archives and demand the payment of a $550 ransom. The Taiwanese vendor published a security advisory to warn its customers of the ongoing attacks and is urging them to install the latest Malware Remover version and scan their devices for indicators of compromise.

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Ransomware Backups Media Malware 112

Security Affairs

MARCH 26, 2021

The Federal Bureau of Investigation (FBI) issued an alert to warn that the Mamba ransomware is abusing the DiskCryptor open source tool to encrypt entire drives. Mamba ransomware is one of the first malware that encrypted hard drives rather than files that was detected in public attacks. ” continues the alert.

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Ransomware Encryption Passwords Malware 143

Security Boulevard

DECEMBER 27, 2022

update, Apple introduced “Advanced Data Protection,” which finally introduced end-to-end encryption (E2EE) for most items backed up or stored in iCloud. Device backups. Enabling end-to-end encryption (Advanced Data Protection for iCloud). encrypted email providers. With the iOS 16.2 Safari Bookmarks. TABLE OF CONTENTS.

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Encryption Backups Software Accountability 98

Malwarebytes

AUGUST 16, 2022

While anyone can fall victim to these threat actors, the FBI noted that this malware has been used to target a wide range of businesses and critical infrastructure organizations, including defense contractors, educational institutions, manufacturers, technology companies, and especially organizations in the healthcare and medical industries.

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Ransomware Backups Passwords Authentication 84

Security Affairs

MARCH 19, 2022

“As a result, AvosLocker indicators of compromise (IOCs) vary between indicators specific to AvosLocker malware and indicators specific to the individual affiliate responsible for the intrusion.” Implement network segmentation and maintain offline backups of data to ensure limited interruption to the organization.

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Ransomware DDOS Passwords Backups 92

Malwarebytes

OCTOBER 28, 2021

All encrypted files have extension: ranzy - How to restore my files? - Some variants also use file extensions for the encrypted files that show Ranzy Locker was at work. Find and delete shadow volume copies, and other recent backups, and disable the Windows recovery environment. Ranzy Locker 1.1. Your network has been locked.

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eSecurity Planet

JULY 8, 2022

“With a cyberattack, it’s more than just data that needs protecting—at risk is really the entire physical infrastructure from applications and operating systems down to low-level firmware and BIOS. This type of backup and DR technology offers RPOs measured in hours. See the Best Backup Solutions for Ransomware Protection.

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Backups Ransomware Technology Marketing 142

Security Affairs

SEPTEMBER 20, 2020

“They are also urged to read the NCSC’s newly-updated guidance on mitigating malware and ransomware attacks , and to develop an incident response plan which they regularly test.” backup servers, network shares, servers, auditing devices). ” reads the advisory. PowerShell) to easily deploy tooling or ransomware.

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Education Ransomware Antivirus Backups 144

Malwarebytes

JULY 10, 2022

North Korean state-sponsored cyber-actors used Maui ransomware in these incidents to encrypt servers responsible for healthcare services—including electronic health records services, diagnostics services, imaging services, and intranet services. Keep operating systems, applications, and firmware up to date.

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Healthcare Ransomware Encryption Firmware 87

Security Affairs

AUGUST 13, 2022

To each encrypted file, it appends a randomized nine-digit hexadecimal number as an extension. The US agencies recommend not paying the ransom because there is no guarantee to recover the encrypted files and paying the ransomware will encourage the illegal practice of extortion. ” reads the joint advisory. “The

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Ransomware Encryption Firmware Backups 81

Security Affairs

JANUARY 16, 2022

The ransomware known as Qlocker exploits CVE-2021-28799 to attack QNAP NAS running certain versions of HBS 3 (Hybrid Backup Sync).” Then it also deletes snapshots to prevent restoring of data from the backups and drops a ransom note (named !!!READ_ME.txt) Up to date apps and firmware seem not to help either.”

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Security Boulevard

MAY 9, 2022

Malware Traits of Blackcat Ransomware. Many of its developers have been associated with the Darkside/Blackmatter group , which also brings about the concern of dealing with experienced malware operators. This malware, after successfully gaining access to the target machine, beacons back data on the victim machine (host UUID).

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Ransomware Antivirus Backups Passwords 98

Malwarebytes

SEPTEMBER 7, 2022

Both use the.kitty or.crypted file extension for encrypted files. But you should also realize that while it’s easy to say that you need reliable and easy to deploy backups, for example, it’s not always easy to follow that advice. Maintain offline backups of data, and regularly maintain backup and restoration.

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Education Ransomware Backups Passwords 87

eSecurity Planet

OCTOBER 20, 2022

Its table illustration also goes into more detail and notes Google’s responsibility for hardware, boot, hardened kernel and interprocess communication (IPC), audit logging, network, and storage and encryption of data. Malware defense. This responsibility does not extend to software that customers install on cloud devices.

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Backups Firewall Encryption Software 126

eSecurity Planet

MARCH 1, 2023

Wireless security is critical because these networks are subject to eavesdropping, interception, data theft, denial of services ( DoS ) assaults, and malware infestations. WPA2 is the most widely used protocol because it uses the AES encryption technique for improved security.

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Wireless Encryption Authentication IoT 98

eSecurity Planet

JUNE 30, 2023

TA505 is well-known for its involvement in global phishing and malware dissemination. Backup and Restoration: Keep offline backups of data and execute backup and restore on a regular basis. Encrypt backup data to ensure the data infrastructure’s immutability and coverage.

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Ransomware Backups Passwords Software 103

Security Affairs

JULY 8, 2022

“Once the attacker successfully logs in to a device, they encrypt data in shared folders and leave a ransom note with the file name “!CHECKMATE_DECRYPTION_README” ” The ransomware appends the.checkmate extension to the filenames of encrypted files, it drops a ransom note named !CHECKMATE_DECRYPTION_README

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Ransomware Encryption Passwords Internet 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 91

Security Affairs

FEBRUARY 24, 2022

Since January, DeadBolt ransomware operators are targeting QNAP NAS devices worldwide, its operators claim the availability of a zero-day exploit that allows them to encrypt the content of the infected systems. Once encrypted the content of the device, the ransomware appends. Make an immediate backup. deadbolt’ extension.”

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Ransomware Encryption Internet Internet 77

Security Affairs

OCTOBER 22, 2022

Below are the mitigations provided in the alert: Install updates for operating systems, software, and firmware as soon as they are released. Require phishing-resistant MFA for as many services as possible—particularly for webmail, VPNs, accounts that access critical systems, and privileged accounts that manage backups.

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Ransomware VPN Cybercrime Accountability 65

SecureWorld News

OCTOBER 8, 2023

Use the 3-2-1 backup rule. Use the administrator account only for maintenance, software installation, or firmware updates. Attention should be paid to protecting routers and updating their firmware. While OS updates are now commonly practiced, router firmware updates remain an overlooked aspect.

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Firmware IoT Accountability Passwords 84

SecureList

JULY 28, 2022

On January 24, a hash for sophisticated Solaris SPARC malware was posted on Twitter. We identified a Windows variant of this sample using the same string encryption algorithm, internal modules, and functionalities. The most remarkable findings. The implant is a complex framework internally called SBZ.

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Malware Firmware Phishing Cryptocurrency 134

Malwarebytes

APRIL 11, 2022

Implement regular backups of all data to be stored as air-gapped, password-protected copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. For those already infected, Ransomware Rollback can help recover encrypted files within 72 hours of the attack. Source: IC3.gov.

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Ransomware Firmware Accountability Technology 75

eSecurity Planet

MARCH 22, 2023

Better network security monitors for authorized, but inappropriate activities or unusual behavior that may indicate compromise, malware activity, or insider threat. These management applications can also check the status of the device for jailbreaking, obsolete OS, or malware, and require remediation before connecting with the network.

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Firewall Network Security Penetration Testing Encryption 107

Security Affairs

FEBRUARY 14, 2022

“BlackByte is a Ransomware as a Service (RaaS) group that encrypts files on compromised Windows host systems, including physical and virtual servers.” Once gained access to the network, threat actors deployed tools to perform lateral movements and escalate privileges before exfiltrating and encrypting files.

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Ransomware Accountability Firmware Antivirus 84

eSecurity Planet

MAY 28, 2021

Malware detection has long been a game of signature detection. With ML and artificial intelligence (AI) using thousands of strains to train algorithms, one would surmise that the ability to detect malware is only improving. Hackers are using the same ML and AI technology to avoid using recognized malware. Old way New way.

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Security Affairs

AUGUST 4, 2020

A few days ago the group released a press release in which they warned the companies to not try to recover their files from their backup, it also announced the forthcoming LG Electronics data leak. Maze ransomware operators have also breached the systems of the Xerox Corporation and stolen files before encrypting them.

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Ransomware Encryption Advertising Firmware 104

Security Affairs

OCTOBER 13, 2020

This type of malware attack is called a botnet attack. It’s powered by hundreds of bots carrying malware and infecting thousands of IoT devices simultaneously. Malware, phishing, and web. Nowadays, malware is an indispensable part of the internet (even if we do not like it). Improper encryption. Vicious insider.

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IoT Cybersecurity Manufacturing Internet 129

Malwarebytes

MAY 6, 2022

At first, some suspected that Onyx may be a wiper rather than ransomware because it destroyed files larger than 2MB instead of encrypting them. Implement regular backups of all data to be stored as air-gapped, password-protected copies offline. Onyx is a new ransomware gang based on the old Chaos builder. Ransomware mitigations.

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Ransomware Encryption Accountability Technology 84

Malwarebytes

MAY 28, 2021

The files are then held for ransom and the victim is threatened by data loss, because of the encryption, and leaking of the exfiltrated data. Files are encrypted with a combination of AES-256 and RSA-4096 via the Microsoft CryptoAPI , as per CrowdStrike. Earlier versions appended the.CONTI extension to encrypted files.

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Healthcare Ransomware Encryption Passwords 107

Security Affairs

MAY 13, 2021

According to open-source reporting, since August 2020, DarkSide actors have been targeting multiple large, high-revenue organizations, resulting in the encryption and theft of sensitive data. Update software , including operating systems, applications, and firmware on IT network assets, in a timely manner.

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Ransomware Healthcare Phishing Risk 103

eSecurity Planet

MARCH 23, 2022

Phishing commonly tricks users into disclosing their login credentials or executing malware on their computers. Watering holes, or legitimate websites infected with malware, attempt to deliver malicious payloads or to steal credentials in a manner similar to phishing attacks only in a different media.

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Firewall Malware Phishing Software 107

Malwarebytes

MARCH 10, 2022

Implement regular backups of all data to be stored as air-gapped, password-protected copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. For those already infected, Ransomware Rollback can help recover encrypted files within 72 hours of the attack. Mitigations.

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Ransomware Phishing Accountability Technology 71

eSecurity Planet

MAY 19, 2022

Encrypting Data in Transit. Many software-defined networking solutions (SDN) have built-in 128- and 256-bit AES encryption and IPsec-based VPN capabilities. However, with TLS-encrypted traffic accounting for most traffic across the internet, it’s far more challenging to examine at scale. Promptly Patching Systems.

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Firewall Architecture Software Backups 56

Security Affairs

OCTOBER 15, 2021

In all the attacks the ransomware encrypting files on the infected systems and in one of the security incidents threat actors compromised a system used to control the SCADA industrial equipment. RDP accesses); Exploitation of vulnerabilities affecting control systems running vulnerable firmware versions.

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Ransomware Cyber threats Firmware Backups 88

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). Already there are known cases of vehicles of various types being infected with malware. Vehicle manufacturers and service providers sometimes do likewise.

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Ransomware Energy and Utilities Marketing Backups 71