https://cyberscoop.com/researchers-paint-different-portraits-hackers-behind-ryuk-ransomware/
Researchers paint different portraits of hackers behind Ryuk ransomware | CyberScoop
Feb 21, 2019 - Analysts poring over Ryuk are coming to different conclusions, highlighting the subjective side of cyberthreat studies.
researcherspaintdifferentportraitshackers
https://www.avast.com/ru-kz/business/resources/how-can-ryuk-ransomware-impact-business-performance
Businesses should beware of Ryuk ransomware | Avast Business
Ryuk is one of the most advanced ransomware types. Find out how to prevent an attack on your business with our comprehensive guide.
businessesbewareryukransomwareavast
https://www.itpro.com/security/ransomware/357271/ryuk-ransomware-takes-us-hospitals-offline
US hospitals forced offline by reported Ryuk ransomware attack | IT Pro
Sep 29, 2020 - Universal Health Services employees have been told IT issues could go on for days
ransomware attackushospitalsforcedoffline
https://www.itpro.com/security/ransomware/360143/ryuk-ransomware-is-now-targeting-web-servers
Ryuk ransomware is now targeting web servers | IT Pro
Jul 7, 2021 - Researchers discover that new functionality has been added to the malware to increase damage
is nowweb serversryukransomwaretargeting
https://hackread.com/french-it-firm-sopra-steria-ryuk-ransomware/
Leading French IT firm Sopra Steria hit by Ryuk ransomware
Dec 7, 2024 - The firm claims that the Ryuk ransomware attack was detected on 20 October, and it may take weeks to restore its systems.
sopra sterialeadingfrenchfirmhit
https://www.malwarebytes.com/ja/blog/news/2019/01/ryuk-ransomware-attacks-businesses-over-the-holidays
Ryuk ransomware attacks businesses over the holidays | Malwarebytes Labs
Feb 3, 2026 - Over the holiday, a little-known ransomware family called Ryuk caused serious damage to numerous organizations. The attacks leave a lot of questions...
ransomware attacksover theryukbusinessesholidays
https://cyberscoop.com/ryuk-coast-guard-ransomware/
Coast Guard says Ryuk ransomware hit systems that monitor cargo transfers at maritime facility -...
Dec 30, 2019 - Hackers used Ryuk ransomware to infiltrate computer networks at a marine transportation facility, causing an outage of roughly 30 hours.
https://www.malwarebytes.com/blog/news/2023/02/ryuk-ransomware-laundering-leads-to-guilty-plea
Ryuk ransomware laundering leads to guilty plea
Feb 8, 2023 - We take a look at a guilty plea made in relation to Ryuk ransomware proceeds, and how you can best protect yourself from the ransomware threat.
ryukransomwarelaunderingleadsguilty
https://cyberscoop.com/ryuk-ransomware-ewa-dod-contractor/
DOD contractor Electronic Warfare Associates hit with Ryuk ransomware | CyberScoop
Jan 31, 2020 - Electronic Warfare Associates has been hit with the Ryuk ransomware strain, according to company CEO Carl Guerreri, who spoke with CyberScoop Thursday.
electronic warfaredodcontractorassociateshit
https://www.techtarget.com/healthtechsecurity/news/366595512/5-Providers-Still-in-Downtime-as-Sky-Lakes-Confirms-Ryuk-Ransomware
5 Providers Still in Downtime, as Sky Lakes Confirms Ryuk Ransomware | TechTarget
At least five US healthcare providers are continuing to recover from ransomware attacks and operate under EHR downtime procedures, some for well over a week...
https://www.malwarebytes.com/ja/blog/news/2020/12/videobytes-ryuk-ransomware-targeting-us-hospitals
VideoBytes: Ryuk Ransomware Targeting US Hospitals | Malwarebytes Labs
Dec 8, 2020 - Ryuk ransomware is infecting US hospitals. But how? And why?
videobytesryukransomwaretargetingus
https://robots.net/news/us-imposes-sanctions-on-russian-individual-involved-in-ryuk-ransomware/
US Imposes Sanctions on Russian Individual Involved in Ryuk Ransomware | Robots.net
Dec 1, 2023 - Stay updated with the latest news as the US imposes sanctions on a Russian individual linked to the Ryuk Ransomware attack.
on russian
https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/ryuk-2020-distributing-ransomware-via-trickbot-and-bazarloader
Ryuk 2020: Distributing Ransomware via TrickBot and BazarLoader | Trend Micro (US)
Starting this year, Ryuk began using another dropper called BazarLoader (also known as BazarBackdoor), which is primarily distributed via phishing emails that...
trend microryuk2020distributingransomware
https://www.avast.com/c-ryuk-ransomware?redirect=1
What Is Ryuk Ransomware and How Does It Spread?
Learn all you need to know about Ryuk ransomware and how you can protect yourself against devastating Ryuk malware attacks.
what isand howdoes itryukransomware
https://www.trendmicro.com/it_it/what-is/ransomware/ryuk-ransomware.html
Ransomware RYUK | Trend Micro (IT)
trend microransomwareryuk
https://www.securitymagazine.com/articles/93482-uhs-hospitals-hit-by-ryuk-ransomware-forced-to-shut-down-systems
UHS Hospitals hit by Ryuk ransomware, forced to shut down systems | 2020-09-29 | Security Magazine
Universal Health Services (UHS), one of the largest healthcare services provider, has reportedly shut down systems at healthcare facilities around the U.S....
https://www.trendmicro.com/vinfo/it/security/news/cybercrime-and-digital-threats/ryuk-ransomware-infects-us-government-contractor
Ryuk Ransomware Infects US Government Contractor | Trend Micro (IT)
US government contractor Electronic Warfare Associates (EWA) was infected with Ryuk ransomware, compromising web servers and subsidiary websites.
us governmenttrend microryukransomwarecontractor
https://www.trendmicro.com/vinfo/mx/security/news/cybercrime-and-digital-threats/ryuk-ransomware-infects-us-government-contractor
Ryuk Ransomware Infects US Government Contractor| Trend Micro (MX)
US government contractor Electronic Warfare Associates (EWA) was infected with Ryuk ransomware, compromising web servers and subsidiary websites.
us governmenttrend microryukransomwarecontractor
https://www.malwarebytes.com/blog/news/2020/12/videobytes-ryuk-ransomware-targeting-us-hospitals
VideoBytes: Ryuk Ransomware Targeting US Hospitals | Malwarebytes Labs
Dec 8, 2020 - Ryuk ransomware is infecting US hospitals. But how? And why?
videobytesryukransomwaretargetingus
https://www.avast.com/hi-in/business/resources/how-can-ryuk-ransomware-impact-business-performance
Businesses should beware of Ryuk ransomware | Avast Business
Ryuk is one of the most advanced ransomware types. Find out how to prevent an attack on your business with our comprehensive guide.
businessesbewareryukransomwareavast
https://www.trendmicro.com/fr_fr/what-is/ransomware/ryuk-ransomware.html
Ransomware RYUK | Trend Micro (FR)
trend microransomwareryukfr
https://www.tripwire.com/state-of-security/revil-ryuk-tycoon-ransomware
REvil, Ryuk and Tycoon Ransomware: How They Work and How to Defend Against Them
An exploration of the most significant ransomware families of 2020: Tycoon, Ryuk and REvil. How they work and some defence best practices.
how they work
https://www.avast.com/en-id/business/resources/how-can-ryuk-ransomware-impact-business-performance
Businesses should beware of Ryuk ransomware | Avast Business
Ryuk is one of the most advanced ransomware types. Find out how to prevent an attack on your business with our comprehensive guide.
businessesbewareryukransomwareavast
https://www.trendmicro.com/vinfo/ru/security/news/cybercrime-and-digital-threats/ryuk-ransomware-infects-us-government-contractor
Ryuk Ransomware Infects US Government Contractor | Trend Micro (RU)
US government contractor Electronic Warfare Associates (EWA) was infected with Ryuk ransomware, compromising web servers and subsidiary websites.
us governmenttrend microryukransomwarecontractor
https://cyberscoop.com/karen-vardanyan-ryuk-ransomware-extradited/
Ryuk ransomware operator extradited to US, faces five years in federal prison | CyberScoop
Jul 16, 2025 - Karen Vardanyan and his co-conspirators allegedly deployed ransomware on hundreds of machines in 2019 and 2020, extorting more than $15 million from victims at...
https://www.techtarget.com/searchsecurity/news/252475298/Ryuk-ransomware-change-breaks-decryption-tool
Ryuk ransomware change breaks decryption tool | TechTarget
Security researchers discovered that recent changes to the Ryuk ransomware have caused the official decryption tool supplied by the threat actors to become...
decryption toolryukransomwarechangebreaks
https://www.malwarebytes.com/ja/blog/news/2019/12/threat-spotlight-the-curious-case-of-ryuk-ransomware
Threat spotlight: the curious case of Ryuk ransomware | Malwarebytes Labs
Jan 12, 2026 - From comic book death god to ransomware baddie, Ryuk ransomware remains a mainstay when organizations find themselves in a crippling malware pinch.
the curious case ofthreatspotlightryukransomware
https://securityaffairs.com/108875/malware/uhs-ryuk-ransomware.html
Universal Health Services (UHS) hospitals hit by Ryuk ransomware attack
Sep 28, 2020 - Universal Health Services (UHS) healthcare providers has reportedly shut down systems at healthcare facilities after a Ryuk ransomware attack
universal health servicesuhshospitalshitryuk
https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/ryuk-ransomware-infects-us-government-contractor
Ryuk Ransomware Infects US Government Contractor | Trend Micro (US)
US government contractor Electronic Warfare Associates (EWA) was infected with Ryuk ransomware, compromising web servers and subsidiary websites.
us governmentryukransomwarecontractortrend
https://securityaffairs.com/145029/cyber-crime/russian-national-sentenced-money-laundering-ryuk-ransomware.html
Russian national sentenced to time served for committing money laundering for the Ryuk ransomware...
Apr 19, 2023 - Denis Mihaqlovic Dubnikov has been sentenced to time served for committing money laundering for the Ryuk ransomware operation
https://securityaffairs.com/tag/ryuk-ransomware
Ryuk ransomware Archives - Security Affairs
ryukransomwarearchivessecurityaffairs
https://www.trendmicro.com/en_gb/what-is/ransomware/ryuk-ransomware.html
RYUK Ransomware | Trend Micro (UK)
Ryuk is ransomware version attributed to the hacker group WIZARD SPIDER that has compromised governments, academia, healthcare, manufacturing, and technology...
trend microryukransomware
https://www.rferl.org/a/russia-extradite-cybercrime-ransomware/31993640.html
Russian Sought By U.S. Over 'Ryuk' Ransomware Extradited From Netherlands
A Russian national sought by U.S. prosecutors for allegedly laundering cryptocurrency tied to a notorious ransomware gang has been extradited to the United...
by urussiansought
https://www.zscaler.com/fr/blogs/security-research/examining-ryuk-ransomware
Examining the Ryuk Ransomware | Cloud Security Blog
Ryuk ransomware can disable the Windows System Restore option for users, making it impossible to recover from the attack without external backups.
cloud securityexaminingryukransomwareblog
https://www.tripwire.com/state-of-security/conti-ransomware-deemed-a-possible-successor-of-ryuk
Conti Ransomware Deemed a Possible Successor of Ryuk
Security researchers found evidence that the Conti ransomware strain could be a possible successor to the Ryuk crypto-malware family.
conti ransomwaredeemedpossiblesuccessorryuk
https://www.malwarebytes.com/blog/news/2019/01/ryuk-ransomware-attacks-businesses-over-the-holidays
Ryuk ransomware attacks businesses over the holidays | Malwarebytes Labs
Feb 3, 2026 - Over the holiday, a little-known ransomware family called Ryuk caused serious damage to numerous organizations. The attacks leave a lot of questions...
ransomware attacksover theryukbusinessesholidays
https://natlawreview.com/article/fbi-flash-ryuk-ransomware-continues-to-attack-us-businesses
Ryuk Ransomware Still a Threat According to the FBI
A recent FBI Flash indicates that Ryuk ransomware is still posing a threat to US companies in logistic, tech companies, and small municipality industries
according toryukransomwarestillthreat
https://www.trendmicro.com/ar_sa/what-is/ransomware/ryuk-ransomware.html
RYUK Ransomware | Trend Micro (AR)
trend microryukransomware
https://www.digitaljournal.com/tech-science/ryuk-ransomware-hits-biotechnology-firm/article
Ryuk ransomware hits biotechnology firm - Digital Journal
Jun 6, 2021 - Another cyberattack. This time there are lessons in this case for every business or public sector organization to learn from.
ryukransomwarehitsbiotechnologyfirm
https://www.crowdstrike.com/en-us/blog/big-game-hunting-with-ryuk-another-lucrative-targeted-ransomware/
What is Ryuk Ransomware? The Complete Breakdown
Since August 2018, Ryuk Ransomware has been used to target enterprise environments. Threat actors operating it have netted over $3,701,893.98 USD to date.
what isthe completeryukransomwarebreakdown
https://www.itpro.com/security/32728/selective-ransomware-ryuk-nets-4m-from-big-businesses
Selective ransomware Ryuk nets $4m from big businesses | IT Pro
Jan 14, 2019 - Thought to be operating out of Russia, attackers demanded a 500 bitcoin ransom
big businessesselectiveransomwareryuknets
https://www.techtarget.com/searchsecurity/news/252455673/McAfee-casts-doubt-on-Ryuk-ransomware-connection-to-North-Korea
McAfee casts doubt on Ryuk ransomware connection to North Korea | TechTarget
Ryuk ransomware was blamed for recent attacks on a major newspaper company and a cloud service provider. But McAfee says the Ryuk attacks weren't the work of...
north koreamcafeecastsdoubtryuk
https://www.eset.com/ca/about/newsroom/corporate-blog/reexamining-infamous-ryuk-ransomware-via-eset-telemetry-1/
Reexamining infamous Ryuk ransomware via ESET telemetry | | ESET
reexamininginfamousryukransomwarevia
https://www.trendmicro.com/vinfo/de/security/news/cybercrime-and-digital-threats/ryuk-ransomware-shows-diversity-in-targets-consistency-in-higher-payouts
Ryuk Ransomware Shows Diversity in Targets, Consistency in Higher Payouts - Nachrichten zum Thema...
Ransomware's persistence is perhaps best embodied by a relatively new breed of ransomware, Ryuk, which has been making waves recently with multiple incidents...