HOMETHREATSLambLoad
MALWARE FAMILY

LambLoad

Internal ID: win.lambload
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

According to Microsoft, this is a downloader used in a supply chain attack involving a malicious variant of an application developed by CyberLink. It is centered around a legitimate CyberLink application installer that has been modified to include malicious code that downloads, decrypts, and loads a second-stage payload. The file, which was signed using a valid certificate issued to CyberLink Corp., is hosted on legitimate update infrastructure owned by CyberLink and includes checks to limit the time window for execution and evade detection by security products.

Threat Analysis

LambLoad is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

Quick Facts

TypeMalware Family
Aliases1

Also Known As

win.lambload

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
LambLoad — Malware Family | Threat Intelligence | CTIWATCH.COM