message
notes/note.txt
Location: OnceOnCompletion
Ransomware Research
HCR2 Ransomware
HCR2 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
- HCR2
- First Seen
- January 1, 2026
How HCR2 ransomware works
File modification behavior
HCR2 updates file modification timestamps after encryption.
File encryption patterns
HCR2 modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .hcr2
Ransom note and payment demands
After encrypting files, HCR2 displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with HCR2 ransomware:
- HCR2Ransomware.exe
- 2iiya9.exe
About this analysis
This HCR2 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 HCR2.
Detection coverage
Elastio detects HCR2 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify HCR2 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.