Malware · critical

How to fix LockBit 3.0 (LockBit Black) Ransomware

Error code: LOCKBIT_3_RANSOMWARE

What this error means

LockBit 3.0 (also known as LockBit Black) is a highly aggressive ransomware-as-a-service (RaaS) variant. It employs advanced anti-analysis techniques, disables security tools, and encrypts files using a multi-threaded engine while stealing sensitive data for extortion. The usual suspects are exploiting vulnerabilities in VPNs and edge firewalls, phishing campaigns containing malicious script attachments and compromised administrative credentials.

Updated

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 4 complete
01Patch all public-facing edge equipment and VPNs immediately
  1. Patch all public-facing edge equipment and VPNs immediately
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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02Implement strong application whitelisting and block execution from Temp directories
  1. Implement strong application whitelisting and block execution from Temp directories
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Deploy tamper-protected endpoint security
  1. Deploy tamper-protected endpoint security
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
04Restore systems from offline backups
  1. Restore systems from offline backups
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Exploiting vulnerabilities in VPNs and edge firewalls
  • Phishing campaigns containing malicious script attachments
  • Compromised administrative credentials