Malware

Pierluigi Paganini August 11, 2025
MedusaLocker ransomware group is looking for pentesters

MedusaLocker ransomware gang announced on its Tor data leak site that it is looking for new pentesters. MedusaLocker is a ransomware strain that was first observed in late 2019, it encrypts files on infected systems and demands a ransom, usually in cryptocurrency, for their decryption. The group operates as Ransomware-as-a-Service (RaaS), meaning affiliates can rent […]

Pierluigi Paganini August 10, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 57

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Arctic Wolf Observes July 2025 Uptick in Akira Ransomware Activity Targeting SonicWall SSL VPN  The State of Ransomware – Q2 2025  Malware 101: a comprehensive guide  Behind Random Words: DoubleTrouble Mobile Banking Trojan Revealed […]

Pierluigi Paganini August 09, 2025
Embargo Ransomware nets $34.2M in crypto since April 2024

Embargo ransomware, likely a BlackCat/Alphv successor, has netted $34.2M in crypto since mid-2024, researchers say. The Embargo ransomware group has processed $34.2M in crypto since emerging in April 2024, researchers from Blockchain intelligence company TRM Labs report. “TRM Labs has identified approximately USD 34.2 million in incoming transaction volume likely associated with the group, with […]

Pierluigi Paganini August 07, 2025
Microsoft unveils Project Ire: AI that autonomously detects malware

Microsoft’s Project Ire uses AI to autonomously reverse engineer and classify software as malicious or benign. Microsoft announced Project Ire, an autonomous artificial intelligence (AI) system that can autonomously reverse engineer and classify software. Project Ire is an LLM-powered autonomous malware classification system that uses decompilers and other tools, reviews their output, and determines the […]

Pierluigi Paganini August 07, 2025
CERT-UA warns of UAC-0099 phishing attacks targeting Ukraine’s defense sector

Ukraine’s CERT-UA warns of phishing attacks by UAC-0099 targeting defense sectors, using malware like MATCHBOIL, MATCHWOK, and DRAGSTARE. Ukraine’s CERT-UA warns of phishing attacks by threat actor UAC-0099 targeting government and defense sectors, delivering malware like MATCHBOIL and DRAGSTARE. The National Cyber Incident, Cyber Attack, and Cyber Threat Response Team CERT-UA investigated multiple attacks against […]

Pierluigi Paganini August 04, 2025
PlayPraetor Android RAT expands rapidly across Spanish and French-speaking regions

PlayPraetor Android RAT has hit 11K+ devices, spreading fast via campaigns targeting Spanish and French speakers, say Cleafy researchers. Cleafy researchers have identified a new Android RAT called PlayPraetor, which has infected over 11,000 devices, mainly in Portugal, Spain, France, Morocco, Peru, and Hong Kong. The malware is spreading rapidly, with more than 2,000 new […]

Pierluigi Paganini August 03, 2025
Akira Ransomware targets SonicWall VPNs in likely zero-day attacks

Akira ransomware targets fully patched SonicWall VPNs in suspected zero-day attacks, with multiple intrusions seen in late July 2025. Arctic Wolf Labs researchers reported that Akira ransomware is exploiting SonicWall SSL VPNs in a likely zero-day attack, targeting even fully patched devices. Arctic Wolf Labs observed multiple intrusions via VPN access in late July 2025. […]

Pierluigi Paganini August 03, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 56

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Endgame Gear mouse config tool infected users with malware Auto-Color Backdoor: How Darktrace Thwarted a Stealthy Linux Intrusion  Sealed Chain of Deception: Actors leveraging Node.JS to Launch JSCeal Decrypted: FunkSec Ransomware  Threat actor uses […]

Pierluigi Paganini August 02, 2025
New Linux backdoor Plague bypasses auth via malicious PAM module

A stealthy Linux backdoor named Plague, hidden as a malicious PAM module, allows attackers to bypass auth and maintain persistent SSH access. Nextron Systems researchers discovered a new stealthy Linux backdoor called Plague, hidden as a malicious PAM (Pluggable Authentication Module) module. It silently bypasses authentication and grants persistent SSH access. A Pluggable Authentication Module […]

Pierluigi Paganini August 01, 2025
Malicious AI-generated npm package hits Solana users

AI-generated npm package @kodane/patch-manager drained Solana wallets; 1,500+ downloads before takedown on July 28, 2025. AI-generated npm package @kodane/patch-manager was flagged for hiding malicious software to drain Solana wallets. The package was uploaded on July 28, 2025, and it was downloaded more than 1,500 times before takedown. “The package @kodane/patch-manager, is a sophisticated cryptocurrency wallet […]