HOMETHREATSMassgrave
APT / THREAT GROUP

Massgrave

1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

Massgrave is a hacking group that has developed a method to bypass Microsoft's software licensing for Windows and Office, enabling permanent activation of versions from Windows Vista to Windows 11. They are known for creating effective scripts for software activation, which are distributed through an unofficial repository at massgrave.dev. The group claims their exploit supports volume activation via the Key Management Services model and has gained traction within the piracy scene. Reports indicate that their tools may be used by unauthorized individuals, including Microsoft support agents, raising legal and security concerns.

Threat Analysis

Massgrave is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

Quick Facts

TypeAPT / Threat Group
Aliases1
SourceMalpedia

Also Known As

Massgrave

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.