file/^RESTORE-FILES-[a-zA-Z0-9]{9}\.txt\b/
notes/RESTORE-FILES-alvcEUbBY.txt
Location: EveryFolder
Ransomware Research
CryptNet Ransomware
CryptNet is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- CryptNet
- First Seen
- April 1, 2023
How CryptNet ransomware works
File modification behavior
CryptNet updates file modification timestamps after encryption.
File encryption patterns
CryptNet modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- ./\.[a-zA-Z0-9]{5}\b/
Ransom note and payment demands
After encrypting files, CryptNet displays ransom notes demanding payment for file recovery:
screenshot
notes/4Gr96yM3F.jpg
Location: Desktop
Technical indicators
Associated executable files
The following executable files are associated with CryptNet ransomware:
- encrypt.exe
- 1680679592404.exe
About this analysis
This CryptNet 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 CryptNet.
Detection coverage
Elastio detects CryptNet inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify CryptNet 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.