#StopRansomware: Ghost (Cring) Ransomware

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Cybersecurity Advisory #StopRansomware: Ghost (Cring) Ransomware Release Date February 19, 2025 Alert Code AA25-050A Related topics: Cyber Threats and Response , Incident Response , Malware, Phishing, and Ransomware Actions for Organizations to Take Today to Mitigate Cyber Threats Related to Ghost (Cring) Ransomware Activity Maintain regular system backups stored separately from the source systems which cannot be altered or encrypted by potentially compromised network devices [CPG 2.R]. Patch known vulnerabilities by applying timely security updates to operating systems, software, and firmware within a risk-informed timeframe [CPG 2.F]. Common Vulnerabilities and Exposures (CVE): CVE-2018-13379, CVE-2010-2861, CVE-2009-3960, CVE-2021-34473, CVE-2021-34523, CVE-2021-31207. Segment networks to restrict lateral movement from initial infected devices and other devices in the same organization [CPG 2.F]. Require Phishing-Resistant MFA for access to all privileged accounts and email services accounts. Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware. Visit stopransomware.gov to see all #StopRansomware advisories and to learn more about other ransomware threats and no-cost resources. The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) are releasing this joint advisory to disseminate known Ghost (Cring)—(“G