APT / THREAT GROUP💰 FINANCIALHIGH

B0

2
aliases
Last seen:Mar 17, 2026

Intelligence Profile

According to Porthas, this is a ransomware written in Golang, using a time-based kill switch to limit its execution.

Threat Analysis

B0 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 B0 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, B0 is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

Intelligence Reports Mentioning B0

External References

Quick Facts

TypeAPT / Threat Group
Motivation💰 financial
Sophisticationhigh
Aliases2

Also Known As

B0win.b0

External Intelligence

Malpedia: win.b0

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
B0 — APT / Threat Group | Threat Intelligence | CTIWATCH.COM