Matrix Ransomware Decryptor
Matrix ransomware, part of the Proton malware family, is a notorious strain of file-encrypting ransomware first detected through VirusTotal submissions. Once active, it renames locked files with a randomized string and adds the “.matrix” extension. It also delivers a ransom demand through a note named HowToRecover.txt.
Our research team has successfully reverse-engineered this threat, creating a dedicated Matrix Decryptor. Purpose-built for accuracy and resilience, it enables safe file recovery without resorting to ransom payments. The tool supports Windows systems and has been engineered for enterprise-scale recovery.
How the Decryption Utility Functions
Although Matrix employs robust encryption algorithms, several implementation flaws made it possible to develop a recovery tool.
- Cloud-Assisted Analysis: Files are securely examined within an isolated sandbox environment.
- Victim ID Correlation: Each ransom note carries a unique identifier, which assists in matching files to the correct key sequence.
- Fallback Decryption Path: A universal key is available in premium mode for cases where ransom notes are missing.
- Integrity Verification: Before making any modifications, the tool scans in read-only mode to confirm a safe environment.
Essential Steps Immediately After a Matrix Attack
Acting quickly after an infection is the difference between full recovery and permanent data loss.
- Cut Off Network Access: Disconnect compromised machines at once to stop the ransomware from spreading.
- Keep Evidence Intact: Do not delete encrypted files, ransom notes, or system logs — they are critical for recovery.
- Do Not Restart Systems: Rebooting may trigger additional encryption scripts.
- Consult Security Experts: Attempting unverified recovery methods often corrupts files beyond repair.
Matrix File Recovery and Decryption
Matrix ransomware has become a high-profile cyber threat due to its combination of strong encryption, system alterations, and psychological pressure. In addition to encrypting files, it often changes wallpapers and displays alarming ransom demands. Our Matrix Decryptor restores access to locked data by exploiting weaknesses in its cryptographic routine, providing a safe alternative to ransom payments.
Recovery Pathways for Victims of Matrix Ransomware
Free Recovery Possibilities
Some limited approaches may help retrieve data without cost, though they are rarely comprehensive.
- Restoring from Backups or Snapshots
If unaffected backups exist, the fastest way forward is a system wipe followed by restoration. Hyper-V and VMware snapshots may also provide a fallback for server environments. - Publicly Available Decryptors
At present, no free decryptor exists for the Matrix (.matrix) variant. Tools by Emsisoft or Avast cover other ransomware families but are ineffective against Proton-based encryption. - Shadow Volume Copies
Matrix frequently deletes shadow copies using system commands. On rare occasions where deletion fails, they may serve as a recovery source.
Paid Recovery Approaches
When free methods fall short, professional decryption services may be necessary.
- Paying the Hackers (Strongly Discouraged)
Attackers demand contact via TOR or the email [email protected], but paying rarely guarantees a working decryption tool. Victims often end up losing both their files and money. - Using Ransomware Negotiators
Some companies employ negotiators to lower ransom costs. While occasionally effective, this method sustains the criminal ecosystem and carries financial risk. - Our Proprietary Matrix Decryptor (Recommended)
A trusted alternative to ransom payments, our decryptor is built on reverse-engineering insights.
- Algorithm Analysis: Developed using flaws in Matrix’s encryption process.
- Dual Modes: Operates either in cloud-connected or offline environments.
- Verification Reports: Produces audit logs after each recovery cycle.
- Enterprise Compatibility: Scales for both SMB and large corporate networks.
- Algorithm Analysis: Developed using flaws in Matrix’s encryption process.
Using the Matrix Decryptor: Step-by-Step Guide
Victims often face two options: attempt recovery through backups or rely on a professional decryptor. Our tool offers a structured approach to safely restore data.
Ensure the ransomware is fully eliminated before beginning decryption.
- Disconnect from all networks.
- Run a thorough antivirus/EDR scan.
- Verify no active ransomware processes remain.
Acquire the latest decryptor version only from official distribution channels.
- Confirm authenticity using provided file checksums.
No complex installation is needed.
- Run the executable, accept the agreement, and allow the tool to detect “.matrix” files automatically.
Supplying one encrypted file with its original version can help refine decryption accuracy. If unavailable, automated detection is still possible.
Choose between:
- Complete Recovery Mode for all files.
- Folder-Level Recovery for specific data sets.
- Read-Only Recovery to avoid accidental overwriting.
Initiate the process and monitor real-time progress. Depending on file volume, recovery can take minutes to hours.
After completion, verify critical files. If any remain locked, run the advanced recovery option.
To prevent recurrence:
- Maintain offline or cloud-based backups.
- Apply system updates.
- Enable continuous security monitoring.
Matrix Ransomware: Technical Examination
Entry Points and Spread Vectors
Matrix leverages several infection channels: phishing emails, pirated software, exploit kits, and compromised ad networks.
File Encryption and Renaming Pattern
Files are encrypted and renamed with random alphanumeric strings before the “.matrix” extension is applied. Examples include:
- “1.jpg” → “8LdggFR8PH.matrix”
- “2.png” → “pDFcd9bTfH.matrix”
- “document.docx” → “kR7jTtFv3z.matrix”
This renaming tactic increases the impact and blocks traditional restoration methods.
Tactics, Techniques, and Procedures (TTPs)
Matrix’s behavior aligns closely with the MITRE ATT&CK framework.
Initial Access
Phishing emails (T1566.001), malvertising, and drive-by downloads (T1189) are common methods. In some cases, brute-force RDP attacks are used.
Execution
Payloads masquerade as legitimate executables or installers, often requiring user interaction (T1204). They may also exploit system vulnerabilities (T1203).
Persistence
Registry keys (T1547.001), scheduled tasks, and hidden executables in system directories ensure long-term presence.
Defense Evasion
Matrix disables recovery measures by deleting shadow copies (T1490) and can terminate antivirus processes. Obfuscation (T1027) and fileless PowerShell execution are also observed.
Credential Access and Privilege Escalation
Attackers employ tools like Mimikatz and LaZagne to harvest credentials, enabling faster spread through elevated privileges.
Discovery and Lateral Movement
Network scans (T1087, T1046) and RDP/SMB exploitation facilitate lateral movement. Tools like PsExec are often used.
Exfiltration
Although primarily destructive, some Matrix variants exfiltrate sensitive files using WinSCP, RClone, or Mega.nz before encryption.
Final Impact
Matrix encrypts files with AES or ChaCha20, protecting keys with RSA. Shadow copies are deleted, file names randomized, and ransom notes are placed across the system.
Indicators of Compromise (IOCs)
- Encrypted extension: “.matrix”
- Ransom note: HowToRecover.txt
This note contains the following message:
What happend?
All your files are encrypted and stolen.
We recover your files in exchange for money.
What guarantees?
You can contact us and send us an unimportant file less than 1 MG, We decrypt it as guarantee.
If we do not send you the decryption software or delete stolen data, no one will pay us in future so we will keep our promise.
How we can contact you?
[1] TOR website – RECOMMENDED:
| 1. Download and install Tor browser – https://www.torproject.org/download/
| 2. Open one of our links on the Tor browser.
–
| 3. Follow the instructions on the website.
[2] Email:
You can write to us by email.
! We strongly encourage you to visit our TOR website instead of sending email.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>> Your ID: – <<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Warnings:
– Do not go to recovery companies.
They secretly negotiate with us to decrypt a test file and use it to gain your trust
and after you pay, they take the money and scam you.
You can open chat links and see them chatting with us by your self.
– Do not use third-party tools.
They might damage your files and cause permanent data loss.
- Associated detections:
- Avast – Win64:MalwareX-gen
- ESET – Win64/Filecoder.MK
- Microsoft – Ransom:Win64/Akira!rfn
- Avast – Win64:MalwareX-gen
- Modified desktop wallpaper with ransom details.
Matrix Ransomware Impact and Victim Data
Matrix has hit a range of victims globally, from individuals to large-scale enterprises.
Countries Affected
Organizations Impacted
Conclusion
Matrix ransomware is one of the more damaging threats due to its encryption, file renaming, and extortion strategies. Victims often feel cornered into paying, but safe alternatives exist.
Our Matrix Decryptor provides a secure, verified recovery method without paying attackers. Combined with proper incident response — isolating systems, preserving forensic evidence, and hardening defenses — organizations can fully restore operations.
MedusaLocker Ransomware Versions We Decrypt