BigLock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: CoronaLock, Corona-lock, CoronaLocker.
Quick Facts
Ransomware Family
BigLock
First Seen
May 1, 2020
Known Aliases
CoronaLockCorona-lockCoronaLocker
How BigLock Ransomware Works
Targeted Files
Encrypts first 0x75300 bytes
Requires C&C -> fbb2a672cd40b979add8f52e4cba8f58273160b687913ab83f650ae3681efa25 -> http://195.189.96.66/repeater.php
File Encryption Patterns
BigLock modifies encrypted files using specific patterns to mark them as encrypted:
This BigLock ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like BigLock.