file/^\w{9}\.README\.txt$/
notes/FtAb75o4L.README.txt
Location: EveryFolder
Ransomware Research
ObesLock Ransomware
ObesLock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2026, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- ObesLock
- First Seen
- January 1, 2026
How ObesLock ransomware works
File modification behavior
ObesLock updates file modification timestamps after encryption.
File encryption patterns
ObesLock modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- ./\.\w{9}$/
Ransom note and payment demands
After encrypting files, ObesLock displays ransom notes demanding payment for file recovery:
screenshot
notes/zGnKH7c03.jpeg
Location: Desktop
Technical indicators
Associated executable files
The following executable files are associated with ObesLock ransomware:
- LB3.exe
- svchost.exe
- ObesLock.exe
About this analysis
This ObesLock 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 ObesLock.
Detection coverage
Elastio detects ObesLock inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify ObesLock 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.