Ransomware Research

JuicyLemon Ransomware

JuicyLemon is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2016, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
JuicyLemon
First Seen
May 1, 2016

How JuicyLemon ransomware works

File modification behavior

JuicyLemon updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • ./\.id-\d{9}_\b/
  • ._sos@juicylemon.biz
  • ._BM-NBRCUPTenKgYbLVCAfeVUHVsHFK6Ue2F

Ransom note and payment demands

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

fileRESTORE FILES.txt
notes/RESTORE FILES.txt

Location: EveryFolder

fileJUICYLEMON INFO.txt
notes/JUICYLEMON INFO.txt

Location: EveryFolder

About this analysis

This JuicyLemon 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 JuicyLemon.

Last updated: September 5, 2024

Detection coverage

Elastio detects JuicyLemon inside your data and backups.

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