Ransomware
Locky
First seen: 2016 • Status: inactive
Currently Inactive
Locky was ransomware that spread through millions of spam emails, encrypting files and demanding Bitcoin payment.
Overview
Locky was a prolific ransomware distributed primarily through the Necurs botnet. It infected hundreds of thousands of systems and used multiple file extensions for encrypted files.
Also Known As
Locky ransomware
How It Spreads
- • Necurs botnet spam
- • Malicious Word macros
- • JavaScript attachments
What It Does
- • File encryption
- • Multiple extension variants
- • Bitcoin ransom demand
- • Network share encryption
Is your business exposed?
Target Platforms
Windows
Detection Tips
- • Monitor for macro-enabled document execution
- • Check for Locky file extensions
- • Analyze email attachments
MITRE ATT&CK Techniques
T1486, T1566, T1204, T1059
If You're Infected
- 1.
No free decryptor available - restore from backups
- 2.
Block malicious email attachments
- 3.
Disable Office macros
Related Malware
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