Ransomware Research
AllDataStolen Ransomware
AllDataStolen is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Stolen.
Quick Facts
- Ransomware Family
- AllDataStolen
- First Seen
- July 1, 2021
- Known Aliases
- Stolen
How AllDataStolen Ransomware Works
Targeted Files
NOSAMPLE; The names of the affected logical disks are changed to STOLEN; All files pack to ALLDATA.STOLEN
Ransom Note and Payment Demands
After encrypting files, AllDataStolen displays ransom notes demanding payment for file recovery:
READ_ME_SECURITY_WARNING.txtRansom message:
notes/READ_ME_SECURITY_WARNING.txt
Note locations:
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About This Analysis
This AllDataStolen ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like AllDataStolen.
Last updated: July 30, 2025