file/^HOW_RECOVER\.[A-F0-9]{6}\.txt$/
notes/HOW_RECOVER.7D6F90.txt
Location: EveryFolder
Ransomware Research
Deadlock Ransomware
Deadlock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- Deadlock
- First Seen
- July 1, 2025
How Deadlock ransomware works
File modification behavior
Deadlock updates file modification timestamps after encryption.
File encryption patterns
Deadlock modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .dlock
Ransom note and payment demands
After encrypting files, Deadlock displays ransom notes demanding payment for file recovery:
file/^HOW_RECOVER\.[A-F0-9]{6}\.txt$/
notes/HOW_RECOVER.64847B.txt
Location: EveryFolder
file/^RECOVERY_CHAT\.[A-F0-9]{6}\.html$/
notes/RECOVERY_CHAT.64847B.html
Location: Desktop, RootDiscs
screenshot
notes/7D6F90.png
Location: Desktop
Technical indicators
Associated executable files
The following executable files are associated with Deadlock ransomware:
- svhost.exe
About this analysis
This Deadlock 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 Deadlock.
Detection coverage
Elastio detects Deadlock inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Deadlock 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.