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Clop ransomware

Clop ransomware

(also Cl0p ransomware, Clop CryptoMix)

Clop ransomware definition

Clop ransomware is a notorious malicious software that encrypts the victim’s files, rendering them inaccessible until a ransom is paid. First identified in 2019, Clop ransomware is a variant of the CryptoMix ransomware family. Unlike many ransomware types that indiscriminately target individual users and organizations, Clop is infamous for focusing on larger corporate entities, often causing significant disruption and demanding substantial ransoms. It primarily targets Windows users, employing sophisticated tactics to bypass detection and defenses.

See also: cryptolocker ransomware, angler phishing

Clop ransomware examples

Clop ransomware’s impact is far-reaching, with numerous incidents reported. One notable example involved a major German manufacturer. The ransomware infected their systems, crippling their production lines and causing significant financial losses. In another instance, a U.S.-based university was targeted, with the attackers demanding a hefty ransom in Bitcoin to restore the university’s access to its critical research files.

Preventing and mitigating Clop ransomware

  • Regularly update antivirus software and firewall protection to fend off potential threats.
  • Always back up crucial files and store them in a secure, offline environment to prevent data loss during an attack.
  • Be cautious when clicking on links or opening attachments, especially from unknown or unverified sources.
  • Consistently keep the operating system and all installed software updated to the latest versions because these often include security patches for known vulnerabilities.
  • Conduct regular cybersecurity training sessions for employees to boost their awareness of ransomware and other cyber threats.

Further reading

Ultimate digital security