Threat Round up for February 10 to February 17

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Feb. 10 and Feb. 17. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

New REvil Samples Indicate Ransomware Gang is Back After Months of Inactivity

The notorious ransomware operation known as REvil aka Sodin or Sodinokibi has resumed after six months of inactivity, an analysis of new ransomware samples has revealed. "Analysis of these samples indicates that the developer has access to REvil's source code, reinforcing the likelihood that the...

Creaky Old WannaCry, GandCrab Top the Ransomware Scene

What’s old in ransomware is new again. Or, more accurately, never really went away. New analysis shows that for a years-old malware, WannaCry is still a viciously active pest. The self-propagating ransomware cryptoworm that’s been parasitizing victims since 2017 was the top most detected ransomwa...

Decryptor Keys Published for Maze, Egregor, Sekhmet Ransomwares

The shackles have been broken for victims of Maze/Egregor/Sekhmet ransomware: On Wednesday, decryption keys were released for all three ransomware strains in a forum post. The liberator, using the handle “Topleak,” described themselves as the developer of the three ransomwares. It’s been lovely,...

Next-Gen Ransomware Packs a 'Human' Punch, Microsoft Warns

Researchers are warning that “human operated” ransomware campaigns are growing more sophisticated, adopting new infection tactics and lateral movement techniques that traditional defense teams aren’t equipped to handle. Researchers said that “auto-spreading” ransomware – like WannaCry and NotPety...

Phorpiex Botnet Shifts Gears From Ransomware to Sextortion

A recent wide-scale campaign indicates that a decade-old botnet is shifting gears from distributing ransomware to delivering millions of sextortion threats to innocent recipients. Worse, researchers say that the botnet’s spam campaign can affect up to 27 million potential victims. The botnet,...

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – Follow The Money

ARCHIVED STORY McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – Follow The Money By John Fokker · October 14, 2019 Episode 3: Follow the Money This is the third installment of the McAfee Advanced Threat Research ATR analysis of Sodinokibi and its connections to GandCrab, the mos...

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service - What The Code Tells Us

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – What The Code Tells Us By McAfee Labs · October 2, 2019 Episode 1: What the Code Tells Us McAfee’s Advanced Threat Research team ATR observed a new ransomware family in the wild, dubbed Sodinokibi or REvil, at the end of April 201...

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service - The All-Stars | McAfee Blogs

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – The All-Stars John Fokker · OCT 02, 2019 Episode 2: The All-Stars Analyzing Affiliate Structures in Ransomware-as-a-Service Campaigns This is the second installment of the McAfee Advanced Threat Research ATR analysis of Sodinokibi...

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service - What The Code Tells Us

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – What The Code Tells Us By McAfee Labs · October 2, 2019 Episode 1: What the Code Tells Us McAfee’s Advanced Threat Research team ATR observed a new ransomware family in the wild, dubbed Sodinokibi or REvil, at the end of April 201...

GandCrab Operators Resurface with REvil Malware

The malware that hit 22 Texas municipalities and various dentist offices around the country recently is likely the work of the crew behind the GandCrab ransomware – indicating that the group didn’t really retire after all. In late May, the GandCrab operators said they decided to ride off into the...

Threat Roundup for August 30 to September 6

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 30 and Sept. 6. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Post GandCrab, Cybercriminals Scouring the Dark Web for the Next Top Ransomware

Ransomware continues to be a top threat, with Friday’s ransomware attack on 23 Texas local government and agencies and two in June on dual Florida cities – Lake City and Riviera Beach, resulting in a decision to pay off the hackers — acting as perfect examples of just how lucrative this type of...

CB TAU Threat Intelligence Notification: Sodinokibi Ransomware

Sodinokibi otherwise known as Sodin or REvil is a ransomware variant that has recently been observed evolving its delivery techniques, leveraging fake antivirus software and PowerShell droppers. This malware appears to be related to GandCrab and is likely a result of their operation closing up...

Threat Spotlight: Sodinokibi ransomware attempts to fill GandCrab void

Sodinokibi ransomware, also known as Sodin and REvil, is hardly three months old, yet it has quickly become a topic of discussion among cybersecurity professionals because of its apparent connection with the infamous-but-now-defunct GandCrab ransomware. Detected by Malwarebytes as...

Is ‘REvil’ the New GandCrab Ransomware?

The cybercriminals behind the GandCrab ransomware-as-a-service RaaS offering recently announced they were closing up shop and retiring after having allegedly earned more than $2 billion in extortion payments from victims. But a growing body of evidence suggests the GandCrab team have instead...

Threat Roundup for July 5 to July 12

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 5 and July 12. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Who’s Behind the GandCrab Ransomware?

The crooks behind an affiliate program that paid cybercriminals to install the destructive and wildly successful GandCrab ransomware strain announced on May 31, 2019 they were terminating the program after allegedly having earned more than $2 billion in extortion payouts from victims. What follow...

GandCrab Ransomware Shutters Its Operations

The GandCrab ransomware group is shutting down, according to posts on the Dark Web. Researchers David Montenegro and Damian spotted the announcements over the weekend. Start of GandCrab Ransomware : 28-1-2018 .. 🦀🦀🦀 Close of GandCrab Ransomware : 1-6-2019 .. ☠️☠️☠️@RajSamani @ValthekOn @JohnFokker...

Exploit kits: spring 2019 review

Exploit kit activity remains fairly unchanged since our last winter review in terms of active distribution campaigns. But this spring edition will feature a new exploit kit and another atypical EK, in that it specifically goes after routers. The main driver behind these drive-by download attacks...