Ransomware Research

CCECrypt Ransomware

CCECrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: CCE, AIEOU.

Quick facts

Ransomware Family
CCECrypt
First Seen
October 1, 2020
Known Aliases
CCEAIEOU

How CCECrypt ransomware works

File encryption patterns

CCECrypt modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.aieou

Ransom note and payment demands

After encrypting files, CCECrypt displays ransom notes demanding payment for file recovery:

fileREADME.TXT
notes/README.TXT
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with CCECrypt ransomware:

About this analysis

This CCECrypt ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like CCECrypt.

Last updated: December 30, 2025

Detection coverage

Elastio detects CCECrypt inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify CCECrypt across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.

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What is CCECrypt Ransomware? | Elastio