Jun 03, 2023Ravie LakshmananEndpoint Security / Linux An analysis of the Linux variant of a new ransomware strain called BlackSuit has covered significant similarities with another ransomware family called Royal. Trend Micro, which examined an x64 VMware ESXi version targeting Linux machines, said it identified an "extremely high degree of similarity" between Royal and … [Read more...] about New Linux Ransomware Strain BlackSuit Shows Striking Similarities to Royal
ransomware
Improved BlackCat Ransomware Strikes with Lightning Speed and Stealthy Tactics
Jun 01, 2023Ravie LakshmananEndpoint Security / Encryption The threat actors behind BlackCat ransomware have come up with an improved variant that prioritizes speed and stealth in an attempt to bypass security guardrails and achieve their goals. The new version, dubbed Sphynx and announced in February 2023, packs a "number of updated capabilities that strengthen the group's … [Read more...] about Improved BlackCat Ransomware Strikes with Lightning Speed and Stealthy Tactics
Notorious Cyber Gang FIN7 Returns Cl0p Ransomware in New Wave of Attacks
May 20, 2023Ravie LakshmananCyber Crime / Ransomware The notorious cybercrime group known as FIN7 has been observed deploying Cl0p (aka Clop) ransomware, marking the threat actor's first ransomware campaign since late 2021. Microsoft, which detected the activity in April 2023, is tracking the financially motivated actor under its new taxonomy Sangria Tempest. "In these recent … [Read more...] about Notorious Cyber Gang FIN7 Returns Cl0p Ransomware in New Wave of Attacks
Bl00dy Ransomware Gang Strikes Education Sector with Critical PaperCut Vulnerability
May 12, 2023Ravie LakshmananVulnerability / Ransomware U.S. cybersecurity and intelligence agencies have warned of attacks carried out by a threat actor known as the Bl00dy Ransomware Gang that attempt to exploit vulnerable PaperCut servers against the education facilities sector in the country. The attacks took place in early May 2023, the Federal Bureau of Investigation … [Read more...] about Bl00dy Ransomware Gang Strikes Education Sector with Critical PaperCut Vulnerability
RTM Locker’s First Linux Ransomware Strain Targeting NAS and ESXi Hosts
Apr 27, 2023Ravie LakshmananLinux / Endpoint Security The threat actors behind RTM Locker have developed a ransomware strain that's capable of targeting Linux machines, marking the group's first foray into the open source operating system. "Its locker ransomware infects Linux, NAS, and ESXi hosts and appears to be inspired by Babuk ransomware's leaked source code," Uptycs … [Read more...] about RTM Locker’s First Linux Ransomware Strain Targeting NAS and ESXi Hosts
Vice Society Ransomware Using Stealthy PowerShell Tool for Data Exfiltration
Apr 17, 2023Ravie LakshmananRansomware / Cyber Attack Threat actors associated with the Vice Society ransomware gang have been observed using a bespoke PowerShell-based tool to fly under the radar and automate the process of exfiltrating data from compromised networks. "Threat actors (TAs) using built-in data exfiltration methods like [living off the land binaries and … [Read more...] about Vice Society Ransomware Using Stealthy PowerShell Tool for Data Exfiltration
Microsoft Issues Patches for 97 Flaws, Including Active Ransomware Exploit
Apr 12, 2023Ravie LakshmananPatch Tuesday / Software Updates It's the second Tuesday of the month, and Microsoft has released another set of security updates to fix a total of 97 flaws impacting its software, one of which has been actively exploited in ransomware attacks in the wild. Seven of the 97 bugs are rated Critical and 90 are rated Important in severity. … [Read more...] about Microsoft Issues Patches for 97 Flaws, Including Active Ransomware Exploit
Taiwanese PC Company MSI Falls Victim to Ransomware Attack
Apr 08, 2023Ravie LakshmananMalware / Cyber Attack Taiwanese PC company MSI (short for Micro-Star International) officially confirmed it was the victim of a cyber attack on its systems. The company said it "promptly" initiated incident response and recovery measures after detecting "network anomalies." It also said it alerted law enforcement agencies of the matter. That said, … [Read more...] about Taiwanese PC Company MSI Falls Victim to Ransomware Attack
Iran-Based Hackers Caught Carrying Out Destructive Attacks Under Ransomware Guise
Apr 08, 2023Ravie LakshmananCyber War / Cyber Threat The Iranian nation-state group known as MuddyWater has been observed carrying out destructive attacks on hybrid environments under the guise of a ransomware operation. That's according to new findings from the Microsoft Threat Intelligence team, which discovered the threat actor targeting both on-premises and cloud … [Read more...] about Iran-Based Hackers Caught Carrying Out Destructive Attacks Under Ransomware Guise
New ESXiArgs Ransomware Variant Emerges After CISA Releases Decryptor Tool
Feb 11, 2023Ravie LakshmananRansomware / Endpoint Security After the U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a decryptor for affected victims to recover from ESXiArgs ransomware attacks, the threat actors have bounced back with an updated version that encrypts more data. The emergence of the new variant was reported by a system administrator on … [Read more...] about New ESXiArgs Ransomware Variant Emerges After CISA Releases Decryptor Tool