MALWARE FAMILY💰 FINANCIALHIGH

Meow

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

Intelligence Profile

According to PCrisk, MEOW is ransomware based on other ransomware called CONTI. MEOW encrypts files and appends the ".MEOW" extension to their filenames. It also drops the "readme.txt" file (a ransom note). An example of how MEOW ransomware modifies filenames: it renames "1.jpg" to "1.jpg.MEOW", "2.png" to "2.png.MEOW", and so forth.

Threat Analysis

Meow 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 Meow 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, Meow 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.meow

Research Links

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