Windows Subsystem for Linux

Reported Context (3)

Building on 2025 activity that deployed a Linux encryptor against Windows hosts through Windows Subsystem for Linux (WSL), a new campaign automated WSL installation with a batch script to broaden its pool of encryptable Recorded Future Reports 215 Actively Exploited CVEs and Expanding Supply-Chain Threats in H1 2026
to a command-and-control server, and then asks one question: is this machine Windows, or a Windows Subsystem for Linux environment sitting on top of one. If the answer is yes, it decodes a hidden instruction and Npm Typosquatting Campaign Uses WSL to Deliver a Windows Crypto and Credential Stealer
Demonstrates cross-platform capabilities, including executing Linux ransomware payloads via Windows Subsystem for Linux (WSL). Qilin Ransomware Group Expands Cross-Platform Operations and Extortion Tactics

CVE (7)

Malware (52)

Threat Actors (15)

MITRE ATT&CK (44)

Vendors (27)

Products (64)

Tools (20)

Industries (13)

Countries (15)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.