How to Decrypt .satanlock Files and Remove SatanLock V2 Ransomware?
Introduction to SatanLock (.satanlock)
Introduction
Satanlock V2 ransomware has recently emerged as a disruptive cybersecurity threat, swiftly compromising systems, encrypting data with the .satan extension, and coercing victims with ransom demands through sinister messaging. As this new ransomware strain spreads, recovering encrypted files and restoring systems has become a pressing challenge for affected users and IT teams.
This comprehensive guide explores the Satanlock V2 ransomware variant, detailing its known behavior, encryption impact, and practical strategies for safe data recovery—without giving in to cybercriminal demands.
Related article: How to Recover Files Affected by .efxs Ransomware Virus?
Satanlock v2 Decryptor Tool: A Powerful Recovery Solution
Our dedicated Satanlock V2 Decryptor tool is purpose-built to counteract this specific ransomware variant. Designed for files encrypted with the .satan extension, this tool restores access without paying the ransom.
- File Extension Supported: .satan
- Fictional Ransom Note: RESTORE_YOUR_FILES_SATAN.txt
- Compatible Systems: Windows, Linux, NAS devices, virtualized environments
This tool uses advanced cryptographic analysis and connects securely to our online servers to retrieve or replicate decryption keys, offering a reliable recovery path for individuals and enterprises.
Also read: How to Decrypt Files Encrypted by Kyj Ransomware (.kyj)?
Satanlock V2 Ransomware Attack on ESXi Servers
Understanding the Threat to Virtual Environments
Satanlock V2 targets VMware ESXi hypervisors, encrypting critical VM files and rendering entire infrastructures inoperable. Though no public samples confirm toolkits or exploits used, similar strains typically exploit unpatched ESXi vulnerabilities.
Key Features & Modus Operandi:
- Targeted Platforms: VMware ESXi
- Encryption Algorithms: Likely RSA or AES (based on ransomware family behavior)
- Ransom Strategy: Threatens deletion of decryption keys if ransom isn’t paid
Satanlock V2 Ransomware Attack on Windows Servers
Windows environments are among the primary targets of Satanlock V2, based on victim metadata analyzed between July 4–7, 2025. The ransomware infiltrates systems, encrypts sensitive files, and leaves behind the RESTORE_YOUR_FILES_SATAN.txt note.
Key Features:
- File Extension: .satan
- Encryption Type: Assumed RSA/AES combo (standard in most ransomware strains)
- Infostealer Integration: No signs of infostealer presence in victim domains (0.0% detected)
Using the Satanlock V2 Decryptor Tool for Recovery
Here’s how to recover files encrypted by Satanlock V2 safely using our decryptor:
- Purchase the Tool: Contact us via secure channels to receive your licensed copy of the decryptor.
- Launch as Administrator: Start the decryptor with elevated permissions. Ensure a live internet connection for server access.
- Enter Victim ID: Extract the unique ID from the ransom note (usually found in RESTORE_YOUR_FILES_SATAN.txt) and input it.
- Initiate Decryption: Click “Start” and allow the decryptor to begin the restoration process.
Also read: How to Decrypt Files Encrypted by Daixin Ransomware (.daixin)?
Why Use Our Tool?
| Feature | Description |
| Easy to Use | Beginner-friendly interface |
| Remote Server Sync | Uses secure internet protocols |
| Purpose-Built | Crafted specifically for Satanlock V2 (.satan) |
| Non-Destructive | Does not modify or delete files |
| Money-Back Guarantee | Full refund if tool fails to decrypt your files |
Victims of Satanlock V2 Ransomware
As of July 7, 2025, Satanlock V2 ransomware has publicly claimed five victims across different industries and geographies. The targeted entities include education institutions, healthcare services, professional firms, and telecom companies — showing the variant’s broad targeting scope.
Confirmed Victims Include:
| Organization / Domain | Country | Discovery Date | Sector |
| fkk.ac.th | Thailand | 2025-07-04 | Education |
| klinikdrindrajana.com | Indonesia | 2025-07-06 | Healthcare |
| teligent.se | Sweden | 2025-07-04 | Telecommunications |
| studionotarile.com | Italy | 2025-07-04 | Legal Services |
These victims show the malware’s ability to spread across different regions, particularly Southeast Asia and Europe. The discovery and attack dates indicate rapid claims following infection, aligning with the 2-day average delay between breach and public post seen on ransomware leak sites.
Visual overview of Satanlock’s victims:
Identifying a Satanlock V2 Ransomware Attack
Stay alert for these telltale signs of infection:
- Suspicious File Extension: Files renamed with .satan
- Ransom Note Appearance: Look for RESTORE_YOUR_FILES_SATAN.txt in every encrypted folder
- System Lag: CPU/disk usage spikes during encryption
- Unusual Network Traffic: Possible connection to Tox-based C2 channels (e.g., CF7175…C774D)
Screenshot of Satanlock V2 website:
Encryption Methods Used by Satanlock V2
While specific encryption details remain unknown, behavioral parallels to Satan 2 ransomware suggest:
- AES-256 for bulk encryption
- RSA-2048 for key exchange and secure locking
- .satan file extension appended to all affected files
Comprehensive Defense Against Satanlock V2 Ransomware
1. Patch Management
- Regularly update ESXi and Windows environments.
- Monitor for CVEs targeting hypervisors and domain controllers.
2. Access Control
- Enforce multi-factor authentication (MFA)
- Implement least-privilege access policies
3. Network Isolation
- Use VLANs and internal firewalls
- Disable remote services unless strictly required
4. Robust Backups
- Maintain encrypted offline backups
- Follow the 3-2-1 strategy (3 copies, 2 media types, 1 offsite)
5. Endpoint Protection
- Deploy EDR/XDR solutions
- Use ransomware-specific behavior analysis tools
6. Employee Awareness
- Train staff on phishing, suspicious links, and file downloads
7. Security Hardening
- Enable IDS/IPS systems and regularly audit firewall rules
Attack Lifecycle of Satanlock V2
- Infiltration: Likely through phishing or RDP brute force
- Lateral Movement: Internal scanning to find valuable targets
- Encryption: File encryption using AES/RSA with .satan suffix
- Ransom Demand: Ransom note deployed across all directories
- Extortion Potential: Data leak threats (not confirmed in this variant)
Consequences of a Satanlock V2 Ransomware Attack
| Consequence | Description |
| Business Downtime | Files become inaccessible, halting operations |
| Financial Strain | Potential ransom payments, recovery costs |
| Reputation Damage | Trust loss from customers or clients |
| Compliance Violations | Possible legal consequences for leaked data |
Free Alternatives for Recovery
If you’re unable or unwilling to use the premium decryptor, try these:
- Check Free Decryptors: Sites like NoMoreRansom.org
- Restore from Backups: Offline and cloud backups
- Use Volume Shadow Copies: vssadmin list shadows
- System Restore: Revert to earlier system state
- Data Recovery Tools: Recuva, PhotoRec for residual file recovery
- Report to Authorities: Notify CERT, CISA, or local cybersecurity agencies
Conclusion
Satanlock V2 ransomware represents a growing cyber threat, particularly for enterprise systems and virtual environments. While it currently has limited victims and lacks a widespread toolkit, its behavior aligns with known ransomware strains, making prevention and recovery essential. Using dedicated tools like our Satanlock V2 Decryptor, organizations and individuals can regain control without paying a ransom.
Frequently Asked Questions
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