Mimic/Pay2Key Ransomware
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How to Decrypt Mimic/Pay2Key Ransomware (.54lg9) Files Safely?

Mimic/Pay2Key Decryptor: Targeted Recovery, Expert-Crafted

Our specialized Mimic/Pay2Key decryption tool is reverse-engineered to work with the Mimic ransomware builder, specifically addressing variants like .54lg9, .gh8ta, .vaqz2j, and other randomly generated extensions. Designed for Windows, Linux, and VMware ESXi environments, it targets the ransomware’s use of OpenSSL-based hybrid encryption for dependable and accurate file restoration.

Related article: How to Decrypt .obscura Extension Files Infected by Obscura Ransomware?


How It Works

  • I2P + HTTPS Portal Matching: Utilizes the same victim ID from the ransom note to align your case with the correct decryption batch on the ransomware actors’ portal.
  • Extension-Aware Mapping: Detects and processes randomly generated extensions (e.g., .54lg9, .gh8ta) to tie encrypted files back to the correct decryptor.
  • Controlled Execution: Operates in read-only mode first to validate file status before attempting any decryption—ensuring data integrity and preventing further damage.

Also read: How to Decrypt Yurei Ransomware and Recover .Yurei Files?


Requirements

  • A copy of the ransom note (e.g., HowToRestoreFiles.txt)
  • Access to encrypted files and their unique extension (e.g., .54lg9)
  • Internet connectivity for controlled portal communication
  • Administrative access to your environment

Immediate Steps to Take After a Mimic/Pay2Key Attack

  1. Disconnect Immediately
    Isolate infected systems from your network to prevent further lateral movement and encryption spread.
  2. Preserve Evidence
    Do not delete the ransom note or modify encrypted files. Preserve logs, network traffic captures, and file hashes for future analysis.
  3. Avoid Rebooting or Formatting
    Any reboot or formatting may trigger additional ransom routines or permanently alter key file states.
  4. Seek Expert Assistance Directly
    As executing the Mimic/Pay2Key decryption requires proper mapping of victim IDs and encrypted extensions, reach out to trusted cybersecurity experts rather than relying on unverified tools.

How to Decrypt Mimic/Pay2Key Ransomware and Recover Your Data?

Mimic/Pay2Key is known for its sophisticated use of Everything API-based enumeration, OpenSSL-based hybrid encryption, and stealthy evasion tactics. Our decryptor aligns with these traits to safely restore files—even across multiple platforms like Windows, Linux, and ESXi.


Mimic/Pay2Key Decryption and Recovery Options

Free Methods

1. ID-Ransomware & NoMoreRansom

  • How it Works: Submit encrypted files and samples to ID-Ransomware or NoMoreRansom to identify the ransomware variant.
  • Limitations: Accuracy has declined; many Mimic variants use random extensions, making detection unreliable.

2. Backup Restore

  • How it Works: Restore from offline or immutable backups if they were untouched by the ransomware.
  • Best Practices: Verify snapshot integrity before applying any recovery.

3. VM Snapshots

  • How it Works: Revert to pre-infection snapshots on platforms like VMware ESXi or Proxmox.
  • Notes: Confirm that snapshots weren’t deleted or corrupted by the ransomware.

Paid Methods

Ransom Payment

  • Procedure: Submit victim ID and await decryptor from actors.
  • Risks: No guarantee of successful decryption or absence of malware within the tool.

Third-Party Negotiators

1. Specialist Negotiation Services

  • Role: Intermediaries handle TOR/I2P communications, validate sample decryptions, and negotiate terms.
  • Considerations: Often costly and still involve legal and ethical risks.

Our Specialized Mimic/Pay2Key Decryptor

Built from reverse-engineering research into Play2Key.Mimic variants—including payload structure, randomized extension protocols, ID mapping, and I2P portal communication—our tool offers:

  1. Encrypted Files + Ransom ID Matching
  2. Offline-first Decryption Safety Checks
  3. Support for Multiple OS Environments
  4. No Hidden Code or Malicious Components

Step-by-Step Mimic/Pay2Key Recovery Guide

  1. Identify Extension & Ransom Note
    Note the encrypted files’ extension (e.g., .54lg9) and ensure HowToRestoreFiles.txt is intact.
  2. Isolate and Preserve Evidence
    As detailed above—do not reboot, format, or alter the files.
  3. Engage Our Recovery Team
    Submit encrypted file sample and ransom note.
  4. Deploy Our Decryptor
    Run with admin privileges; online access enabled if required by your process flow.
  5. Enter Victim ID & Extension
    Extract from ransom note and integrate into the decryption process.
  6. Restore Files & Verify Integrity
    Once decryption completes, cross-check with file hashes or file-type verification to ensure restoration accuracy.

Also read: How to Decrypt Pay2Key/Mimic Ransomware and Recover .vaqz2j Files?


Offline vs Online Decryption Methods

  • Offline: Suitable for air-gapped, high-security environments; requires manual sample submission.
  • Online: Faster recovery with expert support and controlled portal interaction.

What is Mimic/Pay2Key Ransomware?

  • Evolution: First identified in 2020, tied to the Iranian “Fox Kitten” APT group. Became a RaaS operation in 2025 under “Pay2Key.I2P.”
  • Key Tactics:
    • Delivers via masqueraded Word icon executables, unpacks via 7-Zip SFX, and uses setup.cmd for execution.
    • Disables Defender, deletes backups using wbadmin, cleans logs, and persists via registry autorun and UAC bypass.
    • Rapid file enumeration via Everything API, uses OpenSSL for encryption, and appends randomized or email-based extensions like .54lg9.


Ransom Note Context

All files have been encrypted due to security problems on your computer.

If you want to recover them, please visit our website:

https://client.pay2key.com/?user_id=CECmNQr9X3KSCfZFDLXdAergZBjzpKUhm4l6TBJPjm8*54lg9

Before payment you will be able to send up to 3 test files for free decryption.

After payment, the system will automatically issue a tool to fully recover all your files.

Your unique ID: CECmNQr9X3KSCfZFDLXdAergZBjzpKUhm4l6TBJPjm8*54lg9

* * *

If first address cannot be opened, visit our main site on the I2P network (similar to TOR):

http://pay2keys7rgdzrhgzxyd7egpxc2pusdrkofmqfnwclts2rnjsrva.b32.i2p/?user_id=CECmNQr9X3KSCfZFDLXdAergZBjzpKUhm4l6TBJPjm8*54lg9

Special browser for accessing I2P sites: https://github.com/PurpleI2P/i2pdbrowser/releases/tag/latest


Known TTPs & MITRE ATT&CK Mapping

  • T1486 – Data encrypted for impact (AES + RSA)
  • T1548 – UAC bypass via ICMLuaUtil COM interface
  • T1560 – Use of Everything APIs for file enumeration
  • T1105, T1567 – Data staging and exfiltration via tools like Ngrok, RClone (in similar campaigns)
  • T1027, T1070.004 – Defense evasion and log deletion
  • T1057, T1082 – System and host enumeration


Pay2Key Ransomware Victim Statistics 

Victim Distribution by Country

Attack Timeline (Feb–Jun 2025)

Ransom Demands by Region

Conclusion: Restore Your Data, Reclaim Your Network

Mimic/Pay2Key ransomware is formidable—but not insurmountable. With the proper tools, timing, and guidance, full recovery is achievable. Avoid unverified decryptors or ransom payments without evaluation. Use proven methods and act swiftly—our team is ready to help restore your environment securely.


Frequently Asked Questions

Only if you have offline backups or snapshots. No free decryptors exist for newer variants like .54lg9 or .gh8ta.

Yes—especially for victim ID and extension mapping. Without it, precision decryption is impossible.

Costs depend on variant severity, environment (e.g., enterprise vs single machine), and urgency. Custom quotes available after initial assessment.

Yes. Our tool is cross-platform and compatible with VMware ESXi, Windows, and Linux.

Yes—if conducted through encrypted channels with audit logs and integrity checks in place.

It’s not recommended—no guarantees, ethical concerns, and legal ramifications may apply. Always consult professionals first.


Contact Us To Purchase The Mimic/Pay2Key Ransomware Decryptor Tool

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