APT / THREAT GROUP💰 FINANCIALHIGH

Velso

2
aliases
Last seen:Mar 17, 2026

Intelligence Profile

Ransomware that appears to require manually installation (believed to be via RDP). Encrypts files with .velso extension.

Threat Analysis

Velso is a high-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of financial.

Financially motivated threat actors like Velso prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.

With high sophistication, Velso is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

Quick Facts

TypeAPT / Threat Group
Motivation💰 financial
Sophisticationhigh
Aliases2

Also Known As

win.velsoVelso

External Intelligence

Malpedia: win.velso

Research Links

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