fileDecoding help.hta
notes/Decoding help.hta
Location: EveryFolder
Ransomware Research
MrDec Ransomware
MrDec is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- MrDec
- First Seen
- December 1, 2018
How MrDec ransomware works
File modification behavior
MrDec updates file modification timestamps after encryption.
File encryption patterns
MrDec modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- ./\.\[ID\][\w-]{16}\[ID\]$/
Ransom note and payment demands
After encrypting files, MrDec displays ransom notes demanding payment for file recovery:
About this analysis
This MrDec 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 MrDec.
Detection coverage
Elastio detects MrDec inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify MrDec 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.