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Russian Man Extradited to US, Face Charges in Phobos Ransomware Operation
Russian national Evgenii Ptitsyn, linked to Phobos ransomware, faces U.S. charges for extortion and hacking, with over $16M…...
New 'Helldown' Ransomware Variant Expands Attacks to VMware and Linux Systems
Cybersecurity researchers have shed light on a Linux variant of a relatively new ransomware strain called Helldown, suggesting that the threat actors are broadening their attack focus. "Helldown deploys Windows ransomware derived from the LockBit 3.0 code," Sekoia said in a report shared with The...
Five Ways to Prevent and Protect Against Ransomware Attacks
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A week in security (November 11 – November 17)
Last week on Malwarebytes Labs: Malicious QR codes sent in the mail deliver malware 122 million people’s business contact info leaked by data broker Advertisers are pushing ad and pop-up blockers using old tricks Scammer robs homebuyers of life savings in $20 million theft spree Temu must respect...
5 BCDR Oversights That Leave You Exposed to Ransomware
Ransomware isn't just a buzzword; it's one of the most dreaded challenges businesses face in this increasingly digitized world. Ransomware attacks are not only increasing in frequency but also in sophistication, with new ransomware groups constantly emerging. Their attack methods are evolving...
Сrimeware and financial cyberthreats in 2025
Kaspersky's Global Research and Analysis Team constantly monitors known and emerging cyberthreats directed at the financial industry, with banks and fintech companies being the most targeted. We also closely follow threats that aim to infiltrate a wider range of industries, namely ransomware...
Transforming Threat Actor Research into a Strong Defense Strategy
Transforming Threat Actor Research into a Strong Defense Strategy By James Murphy, Ale Houspanossian, Leandro Velasco LV and Ilya Kolmanovich · November 14, 2024 What does it take to transform threat actor research into detection engineering? If we look at threat intelligence at its core, then we...
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,...
