Ransomware Research

Teamo Ransomware

Teamo is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Zika.

Quick facts

Ransomware Family
Teamo
First Seen
November 1, 2017
Known Aliases
Zika

How Teamo ransomware works

File encryption patterns

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

Extensions added after encryption
.teamo

Ransom note and payment demands

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

fileHello Hi Hola como sea jaja.txt
notes/Hello Hi Hola como sea jaja.txt
Location: Desktop
screenshot
notes/jtkeUqT.png
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Teamo ransomware:

About this analysis

This Teamo 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 Teamo.

Last updated: December 30, 2025

Detection coverage

Elastio detects Teamo inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Teamo 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.

See How the Hunt Engine WorksRequest a Demo

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What is Teamo Ransomware? | Elastio