JustIce Ransomware Decryptor
Following an extensive forensic analysis, our cybersecurity specialists successfully deconstructed the JustIce ransomware encryption method. This allowed us to build a robust decryptor capable of restoring encrypted files across various victim cases worldwide. Designed for seamless integration into Windows environments, our decryptor synchronizes with the unique encryption batch identified in the ransom note. It is engineered with a focus on accuracy, auditability, and data integrity.
How It Operates
AI-Powered Cloud-Based Validation
Encrypted file metadata is uploaded to a secure sandbox environment. There, our systems verify JustIce-specific indicators and leverage blockchain-based logging to ensure all decryption activity is traceable and tamper-proof.
Victim ID Correlation
Each decryption attempt is mapped to the individualized identifier included in the attacker’s README.txt note. This matching process ensures the recovery tool applies the correct key for each victim batch.
Universal Decryptor Mode (Advanced)
In cases where the ransom note is lost or corrupted, our premium decryptor features a fallback mechanism using encrypted file signatures and header data to address newer variants of JustIce.
Pre-Decryption Validation
The software performs a read-only scan of the encrypted files and assesses recoverability before initiating the full decryption process—protecting against data corruption or further loss.
Requirements to Initiate Recovery
- A ransom note file (typically named README.txt)
- Access to the encrypted files with the .JustIce extension
- Administrator credentials for the infected system
- Stable internet connectivity for secure cloud processing
Immediate Response Checklist for JustIce Ransomware Attacks
Disconnect the System
Immediately isolate the infected computers and storage devices to prevent the malware from encrypting network-shared files or backup servers.
Secure All Digital Evidence
Keep the ransom note, encrypted files, logs, and memory dumps intact. Tampering with these may make the encrypted files impossible to restore.
Avoid Rebooting or Formatting
Power down affected systems if needed, but avoid restarts or reinstallation actions. These could trigger dormant encryption scripts or wipe crucial recovery traces.
Consult Ransomware Response Specialists
Avoid unverified decryptors or trial-and-error recovery approaches. Expert support significantly increases your chance of safe data restoration.
How to Decrypt and Recover Files Affected by JustIce
JustIce is a destructive ransomware strain that renames encrypted files with the .JustIce extension, replaces the desktop wallpaper with a ransom note, and instructs victims to contact the attacker at [email protected]. Our decryptor is purpose-built to neutralize this encryption and restore access—without paying the ransom.
JustIce Decryption and Recovery Options
We outline four primary options below for recovering from a JustIce attack. These range from free and research-based solutions to professional or last-resort methods.
Free Methods
How It Works
Currently, there is no publicly available decryptor tool for JustIce ransomware. Although reverse-engineering work is in progress, no official solution has been released.
No Support for New Variants
More recent strains from 2025 show enhanced encryption and randomized key generation, rendering legacy decryptors ineffective. Applying decryptors from unrelated families can corrupt encrypted data.
Local Execution Risks
Some users attempt to run older or unofficial decryptors in offline sandboxes. However, using tools not tailored for JustIce may irreversibly damage file structures or headers.
How It Works
Restoring clean, offline, or immutable backups offers the most effective way to regain access. Provided the ransomware didn’t compromise backup data, administrators can reload clean environments.
Integrity Verification
Every backup should be verified before use. This includes checking hash consistency and validating backup snapshots for file completeness and safety.
Immutable Storage Advantage
Using WORM drives, cloud versioning with locked retention policies, or isolated backup networks increases your resilience against both encryption and deletion attacks.
Research-Based Methods
Security researchers are experimenting with timestamp flaws embedded during encryption. Brute-force tools using CUDA-enabled GPUs attempt to reconstruct keys from these time-stamped markers.
In some test cases, forensic analysts have partially decrypted older JustIce variants using known plaintext comparisons. This method is unreliable but under ongoing review.
Paid Methods
Victim ID Validation
If you pay the ransom, attackers usually send a decryptor specific to the unique ID in your ransom note.
Risks Involved
There’s no guarantee the decryptor will work—or even arrive. Some victims receive broken tools or are hit by follow-up malware.
Legal and Ethical Implications
Ransom payments may violate local regulations and support criminal organizations, particularly in sensitive industries like healthcare or government.
Experienced intermediaries handle attacker communications on your behalf. They can validate the decryptor, reduce ransom demands, and ensure safe TOR-based interactions.
Our Advanced JustIce Decryptor Platform
We’ve engineered a comprehensive decryptor built to meet enterprise recovery standards:
- Key-Derived Accuracy: Matched against unique encryption signatures from known JustIce variants.
- Cloud-Based Infrastructure: Secure upload and sandboxed decryption environments with audit-ready integrity reports.
- Zero-Risk Scanning: Files are never modified until pre-decryption validation passes and the system confirms a safe path to restoration.
Step-by-Step Decryption Instructions
1. Confirm the Infection
Check for .JustIce file extensions and the presence of the ransom note (README.txt).
2. Isolate and Secure
Remove the system from all networks and ensure encryption processes aren’t running in the background.
3. Submit Your Samples
Send both a few encrypted files and your ransom note to our team for rapid analysis and variant confirmation.
4. Launch the Decryptor
Open the decryptor with administrator rights. Input the unique victim ID from your note to begin targeted decryption.
5. Validate Success
Our system checks the restored files and logs results. Recovery is only complete after verifying full file integrity.
Offline vs Online Decryption Options
Offline: Best suited for secure, air-gapped recovery environments. Encrypted files are analyzed in local labs with no internet risk.
Online: Recommended for fast restoration, with encrypted file uploads processed securely over verified HTTPS channels.
What Is JustIce Ransomware?
JustIce is a high-impact crypto-ransomware strain that locks files with a .JustIce extension, displays a threatening wallpaper, and leaves a ransom note instructing email-based negotiations. It is typically delivered through fake software installers, spam emails, pirated software, and compromised advertising networks. Once active, it disables recovery functions and begins rapid encryption.
Victim Data: JustIce Ransomware Impact Overview
Countries Affected by JustIce Ransomware
Timeline of JustIce Attacks (2024–2025)
Ransom Note Dissected: What They Say and Why
If you find a file labeled README.txt, your system is likely compromised. The message in the file is designed to create urgency and dissuade independent recovery.
———- JustIce Ransomware ———-
Your files have been encrypted using JustIce Ransomware!
They can only be decrypted by paying us a ransom in cryptocurrency.
Encrypted files have the .JustIce extension.
IMPORTANT: Do not modify or rename encrypted files, as they may become unrecoverable.
Contact us at the following email address to discuss payment.
———- JustIce Ransomware ———-
Tactics, Techniques & Procedures (TTPs)
Initial Access via Phishing, Cracked Tools, and Malvertising
Phishing emails with infected attachments or links remain the most common vector. Additionally, JustIce hides in illegal software bundles and ad-based installers.
Execution Using Fake Applications and Batch Scripts
Malicious payloads masquerade as genuine programs. On execution, the ransomware often unpacks itself via batch scripts or loaders, sometimes delaying activation.
Minimal Persistence, Occasional Payload Dropping
Typically a one-shot attack, JustIce encrypts files and exits. However, some cases reveal secondary malware embedded to steal credentials or install RATs.
Shadow Copy Removal for Defense Evasion
By executing vssadmin delete shadows, JustIce ensures restore points are gone—crippling local recovery options for Windows systems.
Encryption and Ransom Messaging
After encrypting data, it changes the desktop wallpaper to a ransom-themed image and drops README.txt in multiple directories.
Indicators of Compromise (IOCs)
- Files ending with .JustIce
- Ransom note referencing [email protected]
- Changed wallpaper saying “JUSTICE RANSOMWARE”
- Disabled system restore via shadow copy removal
- Detected as: Win64:Evo-gen (Avast), HEUR:Trojan-Ransom.Win64.Generic (Kaspersky), Ransom:Win64/PrinceRansom!rfn (Microsoft)
Tools Used by JustIce Ransomware
File Encryption System
JustIce uses a custom encryption engine—not yet confirmed to be ChaCha20 or RSA-based—and appends .JustIce to each affected file.
Shadow Copy Deletion Utility
It leverages Windows commands like vssadmin delete shadows /all /quiet to eliminate all recovery checkpoints.
Mitigation Strategies and Best Practices
- Avoid Cracks and Pirated Software
- Apply System and Software Patches Promptly
- Use MFA Across All Remote Access Points
- Network Segmentation to Contain Infections
- Enforce Driver Signature Validation Policies
- Implement 24/7 SOC or MDR Threat Monitoring
Conclusion
JustIce ransomware can cause devastating losses, but with prompt expert action and the right tools, full recovery is possible. Our decryptor platform is built for security and results, helping organizations reclaim access without rewarding attackers. Don’t delay—our experts are ready to guide your recovery today.
MedusaLocker Ransomware Versions We Decrypt