Ransomware Group

QuantumShift

Also known as: QShift, Quantum2

Status: active • First seen 2024-1090+ known victims

QuantumShift works extremely fast. Once they get into a network, they can lock up everything in just a few hours. Speed is their main weapon - by the time you notice, it is too late.

Overview

QuantumShift is believed to be a rebrand of former Quantum ransomware members. They use rapid attack techniques and can encrypt entire networks within hours of initial access.

Target Industries

Technology, Finance, Healthcare, Government

How They Attack

  • Rapid encryption
  • Callback phishing
  • Cobalt Strike
  • Double extortion

Notable Victims

Tech companies (2024), Financial institutions (2025)

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How to Protect Against QuantumShift

  1. 1.

    Implement automated ransomware response

  2. 2.

    Train users on callback phishing

  3. 3.

    Deploy network-level encryption monitoring

MITRE ATT&CK Techniques

T1486, T1566.003, T1219, T1567

Related Groups

Quantum, Conti

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