ThreatCluster

ValleyRAT Malware Targets Windows 11 with Advanced Stealth Techniques

First seen 11 Dec 2025, 18:52 UTC •GbhackersCybersecuritynews •94% similarity •41

Article Content

Browse articles
ThreatCluster

ValleyRAT, also known as Winos or Winos4.0, has emerged as a sophisticated backdoor targeting organizations globally. This malware specifically affects Windows systems, particularly those running Windows 11 with the latest security patches, utilizing stealthy driver installations to bypass protections. The threat landscape has evolved following the public leak of the ValleyRAT builder.

ThreatCluster AI How this analysis works

Extracted Entities

1 / 2

Community

Browse all →

Tracked Entities in This Story

ValleyRat Winos Winos4.0 Windows 11