Bitdefender Finds New ShrinkLocker Ransomware, Releases Its Decryptor Tool

Bitdefender has released a free decryptor for ShrinkLocker ransomware, which exploits Windows BitLocker to encrypt systems. Discover all…...

Free Decryptor Released for BitLocker-Based ShrinkLocker Ransomware Victims

Romanian cybersecurity company Bitdefender has released a free decryptor to help victims recover data encrypted using the ShrinkLocker ransomware. The decryptor is the result of a comprehensive analysis of ShrinkLocker's inner workings, allowing the researchers to discover a "specific window of...

New Ymir Ransomware Exploits Memory for Stealthy Attacks; Targets Corporate Networks

Cybersecurity researchers have flagged a new ransomware family called Ymir that was deployed in an attack two days after systems were compromised by a stealer malware called RustyStealer. "Ymir ransomware introduces a unique combination of technical features and tactics that enhance its...

Ymir: new stealthy ransomware in the wild

Introduction In a recent incident response case, we discovered a new and notable ransomware family in active use by the attackers, which we named "Ymir". The artifact has interesting features, including a large set of operations performed in memory with the help of the malloc , memmove and memcmp...

A week in security (November 4 – November 10)

Last week on Malwarebytes Labs: Hello again, FakeBat: popular loader returns after months-long hiatus TikTok ordered to close Canada offices following "national security review" Air fryers are the latest surveillance threat you didn’t consider Malwarebytes acquires AzireVPN to fuel additional VPN...

CISA Alerts to Active Exploitation of Critical Palo Alto Networks Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday added a now-patched critical security flaw impacting Palo Alto Networks Expedition to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2024-5910 CVS...

Unwrapping the emerging Interlock ransomware attack

Cisco Talos Incident Response Talos IR recently observed an attacker conducting big-game hunting and double extortion attacks using the relatively new Interlock ransomware. Our analysis uncovered that the attacker used multiple components in the delivery chain including a Remote Access Tool RAT...

INTERPOL Disrupts Over 22,000 Malicious Servers in Global Crackdown on Cybercrime

INTERPOL on Tuesday said it took down more than 22,000 malicious servers linked to various cyber threats as part of a global operation. Dubbed Operation Synergia II, the coordinated effort ran from April 1 to August 31, 2024, targeting phishing, ransomware, and information stealer infrastructure...

Why your vote can’t be “hacked,” with Cait Conley of CISA (Lock and Code S05E23)

This week on the Lock and Code podcast … The US presidential election is upon the American public, and with it come fears of "election interference." But "election interference" is a broad term. It can mean the now-regular and expected foreign disinformation campaigns that are launched to sow...

City of Columbus breach affects around half a million citizens

A ransomware attack against the City of Columbus, Ohio—which drew public scrutiny following the city government's attempt to silence a researcher who told the public about the attack—has received a little more detail from an unexpected source: The Attorney General for the state of Maine. In a dat...

THN Recap: Top Cybersecurity Threats, Tools, and Practices (Oct 28 - Nov 03)

This week was a total digital dumpster fire! Hackers were like, "Let's cause some chaos!" and went after everything from our browsers to those fancy cameras that zoom and spin. You know, the ones they use in spy movies? 🕵️‍♀️ We're talking password-stealing bots, sneaky extensions that spy on you,...

Exploit for OS Command Injection in Php

CVE-2024-4577 Overview CVE-2024-4577 is a security vulner...

How Ransomware Is Delivered and How to Prevent Attacks

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North Korean Hackers Team Up with Play Ransomware in Global Attack

State-Sponsored Espionage Meets Ransomware!...

North Korean Group Collaborates with Play Ransomware in Significant Cyber Attack

Threat actors linked to North Korea have been implicated in a recent incident that deployed a known ransomware family called Play, underscoring their financial motivations. The activity, observed between May and September 2024, has been attributed to a threat actor tracked as Jumpy Pisces , which...

Change Healthcare Breach Hits 100M Americans

Change Healthcare says it has notified approximately 100 million Americans that their personal, financial and healthcare records may have been stolen in a February 2024 ransomware attack that caused the largest ever known data breach of protected health information. Image: Tamer Tuncay,...

Dutch Police Disrupt Major Info Stealers RedLine and MetaStealer in Operation Magnus

The Dutch National Police, along with international partners, have announced the disruption of the infrastructure powering two information stealers tracked as RedLine and MetaStealer. The takedown, which took place on October 28, 2024, is the result of an international law enforcement task force...

Russian Court Jails Four REvil Ransomware Gang Members

Four members of the notorious REvil ransomware group have been sentenced to prison terms in Russia. This development…...

A week in security (October 21 – October 27)

Last week on Malwarebytes Labs: 100 million US citizens officially impacted by Change Healthcare data breach Pinterest tracks users without consent, alleges complaint After concerns of handing Facebook taxpayer info, four companies found to have improperly shared data LinkedIn bots and spear...

Four REvil Ransomware Members Sentenced in Rare Russian Cybercrime Convictions

Four members of the now-defunct REvil ransomware operation have been sentenced to several years in prison in Russia, marking one of the rare instances where cybercriminals from the country have been convicted of hacking and money laundering charges. Russian news publication Kommersant reported th...