Quantum Overview

The Quantum Locker is a ransomware strain that was first discovered in July 2021. Since then, the ransomware was observed used in fast ransomware attacks, in some cases even Time-to-Ransom (TTR) of less than 4 hours, leaving defenders little time to react.

The Quantum ransomware is another rebranding of the notorious MountLocker ransomware, which launched back in September 2020. Since then, the ransomware gang has rebranded its operation to various names, including AstroLocker, XingLocker, and now in its current phase, the Quantum Locker:

Same with other ransomware that follow the double extortion trend, that became already a second nature to ransomware, the Quantum Locker has its own data leak TOR website – “Quantum Blog”.

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