Tampa Bay Times hit with Ryuk ransomware attack

Florida newspaper The Tampa Bay Times suffered a Ryuk ransomware attack Thursday, making it the latest major victim of the notorious ransomware family that continues to rise in popularity. Curiously, the paper is at least the third Florida-based Ryuk victim in the past year. The attack, which The...

A week in security (December 23 – 29)

Last week on Malwarebytes Labs, we continued our retrospective coverage with a look at how lawmakers in the United States treated online privacy this year, finding trends in multiple federal bills introduced in the Senate. Then we took a little break for the holidays. Other cybersecurity news: No...

Biggest Malware Threats of 2019

One out of five computer users were subject to at least one malware-class web attack in 2019. This past year cities such as New Orleans were under ransomware siege by the likes of malware Ryuk. Zero-day vulnerabilities were also in no short supply with targets such as Google Chrome and Operation...

A week in security (December 9 – 15)

Last week on Malwarebytes Labs, we cautioned readers against purchasing potentially privacy-invasive, cyber-insecure smart doorbells, warned about a new credit card skimmer vulnerability embedded within hundreds of fraudulent web sites selling supposedly name-brand shoes, and looked at the newest...

Threat spotlight: the curious case of Ryuk ransomware

Ryuk. A name once unique to a fictional character in a popular Japanese comic book and cartoon series is now a name that appears in several rosters of the nastiest ransomware to ever grace the wild web. For an incredibly young strain—only 15 months old—Ryuk ransomware gaining such notoriety is...

Threat Source newsletter (Dec. 12, 2019)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. We’re entering our Year in Review period. Now’s the time to look back on the top stories from 2019 and think about what we learned. In t...

110 Nursing Homes Cut Off from Health Records in Ransomware Attack

A ransomware outbreak has besieged a Wisconsin based IT company that provides cloud data hosting, security and access management to more than 100 nursing homes across the United States. The ongoing attack is preventing these care centers from accessing crucial patient medical records, and the IT...

400 Vet Locations Nipped by Ryuk Ransomware

National Veterinary Associates NVA has been hit with the Ryuk ransomware, in an attack that affects 400 clinics across the country. The California company said that it could take a week for its facilities to be fully back up and running normally. Patient records, payment systems and practice...

Ransomware Bites 400 Veterinary Hospitals

National Veterinary Associates NVA, a California company that owns more than 700 animal care facilities around the globe, is still working to recover from a ransomware attack late last month that affected more than half of those properties, separating many veterinary practices from their patient...

Wizard Spider Upgrades Ryuk Ransomware to Reach Deep into LANs

The Ryuk ransomware has added two features to enhance its effectiveness: The ability to target systems that are in “standby” or sleep mode; and the use of Address Resolution Protocol ARP pinging to find drives on a company’s LAN. Both are employed after the initial network compromise of a victim...

Emotet is back: botnet springs back to life with new spam campaign

After a fairly long hiatus that lasted nearly four months, Emotet is back with an active spam distribution campaign. For a few weeks, there were signs that the botnet was setting its gears in motion again, as we observed command and control C2 server activity. But this morning, the Trojan started...

A week in security (September 9 – 15)

Last week on the Labs blog, we looked at free VPN offerings, how malware can hinder vital emergency services, and explored how the Heartbleed vulnerability is still causing problems. We also talked about a large FTC settlement involving Google, and how to keep an eye out for leaky AWS buckets...

The Hottest Malware Hits of the Summer

It's been a summer of ransomware hold-ups, supply chain attacks and fileless attacks flying under the radar of old-school security. With malware running amok while we were lying on the beach, here's a recap of the most burning strains and trends seen in the wild during the months of July and Augu...

$5.3M Ransomware Demand: Massachusetts City Says No Thanks

After a ransomware attack slapped a hefty payout demand of $5.3 million on New Bedford, Mass., the city announced that it is instead opting to pick up the pieces and restore what it can from backups itself. If the city had opted to pay, the payout would have been the largest known ransom payout f...

A week in security (July 1 – 7)

Last week on Malwarebytes Labs, we explained what to do when you find stalkerware, how cooperating apps and automatic permissions are setting you up for failure, and why you should steer clear of Bitcoin Cash generators. Other cybersecurity news: A former Chief Information Officer CIO of Equifax...

This Week in Security News: Tax Scams and Spam Emails

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, learn how criminals can use tax deadlines for social engineering schemes and redirection URLs in spam emails to sidestep spam filters. Read...

Emotet revisited: pervasive threat still a danger to businesses

One of the most common and pervasive threats for businesses today is Emotet, a banking Trojan turned downloader that has been on our list of top 10 detections for many months in a row. Emotet, which Malwarebytes detects as Trojan.Emotet, has been leveled at consumers and organizations across the...

Ryuk, Exploring the Human Connection

ARCHIVED STORY Ryuk, Exploring the Human Connection By John Fokker · Febraury 19, 2019 In collaboration with Bill Siegel and Alex Holdtman from Coveware At the beginning of 2019, McAfee ATR published an article describing how the hasty attribution of Ryuk ransomware to North Korea was missing the...

Ryuk, Exploring the Human Connection

ARCHIVED STORY Ryuk, Exploring the Human Connection By John Fokker · Febraury 19, 2019 In collaboration with Bill Siegel and Alex Holdtman from Coveware At the beginning of 2019, McAfee ATR published an article describing how the hasty attribution of Ryuk ransomware to North Korea was missing the...

Ryuk Hauls in $3.7M in 'Earnings,' Adds TrickBot to the Attack Mix

The Ryuk ransomware has raked in $3.7 million in bitcoin payments since it first appeared last August, researchers say – and has emerged as the calling card for a crime organization called Grim Spider a.k.a. MixMaster. It turns out that Grim Spider could share a link with other crime syndicates,...