Malware

Pierluigi Paganini July 07, 2025
New Batavia spyware targets Russian industrial enterprises

Since March 2025, fake contract emails have been spreading Batavia spyware in targeted attacks on Russian organizations. Since March 2025, a targeted phishing campaign against Russian organizations has used fake contract-themed emails to spread the Batavia spyware, a new malware designed to steal internal documents. The attack, ongoing since July 2024, begins with links to […]

Pierluigi Paganini July 06, 2025
Hunters International ransomware gang shuts down and offers free decryption keys to all victims

Hunters International ransomware gang announced its shutdown, citing unspecified “recent developments” and acknowledging its impact. The ransomware group Hunters International announced on its dark web site that it is shutting down, citing “recent developments” without specifying details. The group stated the decision was made after careful consideration and acknowledged the impact on affected organizations. “We, […]

Pierluigi Paganini July 06, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 52

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape 10 Things I Hate About Attribution: RomCom vs. TransferLoader  macOS NimDoor | DPRK Threat Actors Target Web3 and Crypto Platforms with Nim-Based Malware  Warning Against Distribution of Malware Disguised as Research Papers (Kimsuky Group)  Dissecting Kimsuky’s […]

Pierluigi Paganini July 05, 2025
North Korea-linked threat actors spread macOS NimDoor malware via fake Zoom updates

North Korea-linked hackers use fake Zoom updates to spread macOS NimDoor malware, targeting crypto firms with stealthy backdoors. North Korea-linked threat actors are targeting Web3 and crypto firms with NimDoor, a rare macOS backdoor disguised as a fake Zoom update. Victims are tricked into installing the malware through phishing links sent via Calendly or Telegram. […]

Pierluigi Paganini July 04, 2025
A flaw in Catwatchful spyware exposed logins of +62,000 users

A flaw in Catwatchful spyware exposed logins of 62,000 users, turning the spy tool into a data leak, security researcher Eric Daigle revealed. A flaw in the Catwatchful Android spyware exposed its full user database, leaking email addresses and plaintext passwords of both customers and its admin, TechCrunch first reported. Security researcher Eric Daigle first discovered […]

Pierluigi Paganini June 29, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 51

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Ransomware Gangs Collapse as Qilin Seizes Control  Dissecting a Python Ransomware distributed through GitHub repositories  SparkKitty, SparkCat’s little brother: A new Trojan spy found in the App Store and Google Play   Uncovering a Tor-Enabled Docker Exploit  […]

Pierluigi Paganini June 28, 2025
LapDogs: China-nexus hackers Hijack 1,000+ SOHO devices for espionage

Over 1,000 SOHO devices were hacked in a China-linked spying campaign called LapDogs, forming a covert network to support cyber espionage. Security researchers at SecurityScorecard’s STRIKE team have uncovered a cyber espionage campaign, dubbed LapDogs, involving over 1,000 hacked SOHO (small office/home office) devices. These compromised devices formed a hidden network, called an Operational Relay […]

Pierluigi Paganini June 25, 2025
Hackers deploy fake SonicWall VPN App to steal corporate credentials

Hackers spread a trojanized version of SonicWall VPN app to steal login credentials from users accessing corporate networks. Unknown threat actors are distributing a trojanized version of SonicWall NetExtender SSL VPN app to steal user credentials. The legitimate NetExtender app lets remote users securely access and use company network resources as if they were on-site. […]

Pierluigi Paganini June 25, 2025
Disrupting the operations of cryptocurrency mining botnets

Cybersecurity researchers devised two attack techniques to disrupt the operations of cryptocurrency mining botnets. Akamai Researchers uncovered two novel techniques to disrupt cryptocurrency mining botnets by exploiting flaws in common mining topologies. Current methods to stop cryptocurrecy mining botnets are pool bans or infrastructure takedowns, however, both are slow and complex. Researchers developed two faster techniques exploiting […]

Pierluigi Paganini June 25, 2025
Prometei botnet activity has surged since March 2025

Prometei botnet activity has surged since March 2025, with a new malware variant spreading rapidly, Palo Alto Networks reports. Palo Alto Networks warns of a spike in Prometei botnet activity since March 2025, the researchers observed a new variant spreading rapidly. Since March 2025, Prometei botnet is targeting Linux systems for Monero mining and credential […]