MALWARE FAMILY💰 FINANCIALHIGH

CHCH

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

Intelligence Profile

CHCH is a Ransomware spotted in the wild in December 2019. It encrypts victim files and adds the extension .chch to them while it drops a ransomware note named: READ_ME.TXT

Threat Analysis

CHCH 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.

Financially motivated threat actors like CHCH 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, CHCH is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

External References

Quick Facts

TypeMalware Family
Motivation💰 financial
Sophisticationhigh
Aliases1

Also Known As

win.chch

Research Links

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