VolkLocker ransomware-as-a-service with free-decryption flaw
Malware Activity
Summary
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The CyberVolk-linked VolkLocker ransomware-as-a-service has resurfaced with a flaw that lets victims decrypt files without paying. The Golang ransomware targets Windows and Linux and still carries full extortion and anti-analysis features, making the implementation mistake especially consequential.
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Timeline
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15.12.2025 07:33 2 articles · 6mo ago
VolkLocker ransomware-as-a-service with free-decryption flaw
Initial Disclosure**VolkLocker** first appeared in **August 2025** as a **RaaS** payload for **Windows and Linux**. Early samples already exposed the critical weakness: a **plaintext backup key** stored in `%TEMP%\system_backup.key` that enabled recovery.
Show sources
- VolkLocker Ransomware Exposed by Hard-Coded Master Key Allowing Free Decryption — thehackernews.com — 15.12.2025 07:33
- VolkLocker Ransomware Exposed by Hard-Coded Master Key Allowing Free Decryption — thehackernews.com — 15.12.2025 07:33