Home Today’s Briefing Deep Dives In Play Trending For You Discover My Stack Saved Off Radar Search

Loading today’s stories

Today

AI-assisted reporting, grounded in a per-article claim ledger. Perspective Coverage and Reality Strip separate source viewpoints from evidence, adoption, hype, incentives, and confidence.

Today

Front Page
Today’s Briefing
Newsletters
Trending
For You
Discover
My Stack
Saved
Off Radar
Search

Sections

Security
Build
Invest
Product
Leadership
Science

Company

About
Mission
How this is made
Evidence Index
The desks
The sources we read
Corrections
Press and brand
The daily edition

Trending now

Consumer AI Agents
Endpoint defense evasion
Adware as a delivery channel
ValleyRAT / Winos 4.0
China-Nexus Threat Activity
US AI Legislation
Critical infrastructure resilience
Indirect prompt injection
Medical Device Regulation
Inference cost economics

How this is made

Today For You My Stack Off Radar Search

libcef.dll — other — Clarity Today

other

libcef.dll

Chromium Embedded Framework library filename; the malicious replacement loaded by QnWallpaper.exe and QnwPlayer.exe carried the ValleyRAT loader and had already appeared in a 2025 loader.

Current clusters

security2 distinct publishers

Silver Fox delivered ValleyRAT through signed adware that users whitelist themselves

Kaspersky traced one submitted installer to a modified Chinese wallpaper tool whose signed executable sideloads a malicious libcef.dll, and the same installer switches Windows Defender off before it ever runs.

Publishers:securelist.com · thehackernews.com

Reality

Evidence70
Adoption32
Hype gap+15
Incentives62

Confidence68