Malware

New ransomware group Payload uses Babuk-derived code to target Windows and VMware ESXi systems. 12 victims across 7 countries within hours of launching leak site.

Supply chain attack deploys 34 malicious packages across npm, PyPI, and Crates.io to steal crypto wallets, SSH keys, and developer credentials. AI assistants weaponized.

Automated Megalodon campaign pushed 5,718 malicious commits to GitHub repos on May 18, injecting CI/CD workflows that exfiltrate cloud credentials, SSH keys, and secrets. SafeDep links it to TeamPCP.

Attackers compromised 700+ versions of Laravel-Lang PHP packages via tag poisoning, deploying a sophisticated stealer targeting cloud credentials, crypto wallets, and browser data. Packagist pulled affected versions.

Leaked Shai-Hulud malware source code fuels new npm supply chain attack. Four malicious packages steal credentials and deploy DDoS bot with TCP/UDP flood capabilities.

Attackers published malicious Nx Console 18.95.0 to VS Code Marketplace, stealing developer credentials via triple-channel exfiltration and Sigstore-signed npm package poisoning.

REMUS, a 64-bit Lumma Stealer successor, now offers session theft, EtherHiding blockchain C2, and full MaaS infrastructure targeting browser credentials and auth tokens.

SHub Reaper macOS infostealer bypasses Tahoe 26.4 defenses using applescript:// URLs, spoofs Apple, Google, and Microsoft to steal credentials and backdoor systems.

Attackers exploit unauthenticated vulnerability in Funnel Builder plugin to inject payment skimmers on 40,000+ WordPress stores. Patch to 3.15.0.3 immediately.

Attackers seized control of node-ipc by re-registering the maintainer's expired email domain. Three malicious versions now harvest AWS, GCP, Azure keys and more.

RubyGems suspended new account registration after attackers uploaded over 500 malicious packages in a coordinated spam attack targeting the Ruby package ecosystem.

Nitrogen ransomware gang claims 8TB of data including Apple, Nvidia, and Intel files from Foxconn's Wisconsin and Texas facilities. Fourth major ransomware incident for the electronics giant.

Hunt.io uncovers xlabs_v1, a Mirai-based botnet exploiting Android Debug Bridge on port 5555 to conscript IoT devices into a DDoS-for-hire service targeting game servers.

Pharma supplier West Pharmaceutical Services discloses ransomware attack in SEC filing. Attackers exfiltrated data before encrypting systems. Unit 42 investigating.

A new TrickMo variant routes Android trojan traffic through The Open Network, making domain takedowns ineffective. The malware adds SSH tunneling and SOCKS5 proxy capabilities for network pivoting.

TeamPCP compromised 84 versions across 42 TanStack packages on May 11 using GitHub Actions cache poisoning. The malware steals CI/CD credentials and includes a wiper that triggers on token revocation.

Five NuGet packages typosquatting popular Chinese .NET libraries have racked up 65,000 downloads while stealing browser credentials, crypto wallets, and SSH keys from developer machines.

Malvertising campaign abuses Google Ads and Claude.ai shared chats to deliver MacSync infostealer. Victims searching for Claude downloads get tricked into running malicious terminal commands.

Attackers exploited a CMS flaw on JDownloader's website to swap download links with trojanized installers. Windows users got a Python RAT; Linux users got root-persisted ELF binaries.

SentinelLABS uncovers PCPJack, a credential-stealing worm that removes TeamPCP infections before harvesting API keys from Docker, Kubernetes, and cloud services. Five CVEs enable worm-like spread.

A typosquatted OpenAI repository on Hugging Face delivered Rust-based infostealer malware to Windows users, racking up 244K downloads before removal.

NWHStealer spreads via fake gaming mods and TradingView scripts, using Bun JavaScript runtime and XOR-encrypted C2 to bypass security tools.

ESET exposes CallPhantom campaign: fraudulent Google Play apps promised call records for any number, delivered hardcoded fake data after payment.

Brazilian banking trojan TCLBanker targets 59 financial platforms using a trojanized Logitech installer. It hijacks WhatsApp Web and Outlook to self-propagate, while WPF overlays facilitate real-time fraud.

Kaspersky uncovered a supply chain attack on DAEMON Tools official website. Trojanized installers deployed QUIC RAT backdoors to thousands of systems, with a dozen government and manufacturing targets receiving advanced payloads.

New infostealer MicroStealer evades major antivirus while stealing browser credentials, crypto wallets, and Discord tokens from US and German organizations.

Three malicious versions of the xinference AI inference library were uploaded to PyPI, targeting cloud credentials and SSH keys from 680K+ users. TeamPCP claims a copycat is responsible.

Attackers compromised elementary-data version 0.23.3 on PyPI, pushing malicious code to 1.1 million monthly users. The infection extended to Docker images via automated workflows.

Securonix uncovers DEEP#DOOR, a Python-based backdoor that steals browser passwords, AWS/Azure credentials, and SSH keys while evading detection through bore.pub tunneling and extensive anti-analysis.

Go-based Sorry ransomware exploits cPanel auth bypass CVE-2026-41940, encrypting files with ChaCha20/RSA-2048. 44,000+ IPs compromised as attackers demand Tox ransom.

Four official SAP CAP ecosystem packages compromised on April 29, harvesting developer credentials, cloud secrets, and CI/CD tokens through malicious preinstall scripts.

TeamPCP threat actors backdoored versions 2.6.2 and 2.6.3 of the popular AI framework, harvesting SSH keys, cloud credentials, and GitHub tokens from millions of developers.

Malwarebytes uncovers campaign using fake TradingClaw website to distribute Needle Stealer malware. The infostealer hijacks browsers to harvest credentials, crypto wallets, and financial data from traders.

Socket researchers identify 73 malicious VS Code extensions on Open VSX tied to GlassWorm campaign. Six already activated to deliver malware through native binaries and obfuscated JavaScript.

Attackers use SEO poisoning to push malicious Claude Code installers to developers. The two-stage macOS malware steals credentials, crypto wallets, and establishes persistent backdoor access.

CISA and NCSC warn of Firestarter backdoor persisting on Cisco ASA and Firepower devices. The malware survives firmware updates and requires physical power disconnection to remove.

A malicious npm package hijacked Bitwarden CLI's publishing pipeline on April 22, harvesting credentials from 334 developers. Here's what happened.

Masjesu botnet, marketed via Telegram, exploits 12 vulnerabilities to conscript routers and IoT devices for DDoS attacks. Nearly 50% of traffic originates from Vietnam.

Akamai detects active exploitation of CVE-2025-29635 in discontinued D-Link DIR-823X routers. The tuxnokill variant spreads via command injection and launches DDoS attacks from compromised devices.

New Kyber ransomware operation uses NIST-standardized Kyber1024 encryption on Windows while targeting VMware ESXi with a separate variant. Rapid7 analysis reveals the ESXi version's claims are false.

Attackers are distributing PlugX malware through phishing campaigns impersonating Anthropic's Claude AI. The fake installer abuses a legitimate G DATA binary for DLL sideloading.

Kaspersky exposes Lotus, a data wiper deployed against Venezuela's energy utilities in December 2025. The malware destroys recovery mechanisms and leaves systems unrecoverable.

Threat actors pose as VCs on LinkedIn, share weaponized Obsidian vaults that silently deploy an AI-generated backdoor using blockchain C2 infrastructure.

New ransomware operation claims Medical Park Hospitals as first victim. 36 Turkish hospitals face data leak threats after 3.3TB exfiltration.

New ransomware operation linked to ex-BlackBasta affiliates runs Alpine Linux VMs on compromised hosts. Endpoint tools can't see inside the VM boundary.