Bitdefender Reports Increased Activity of LummaStealer Malware After 2025 Law Enforcement Operation

Bitdefender has reported an increase in the activity of the malware LummaStealer, an infostealer operating under the MaaS (Malware-as-a-Service) model, following a law enforcement disruption operation in 2025. Active since 2022, it is distributed through affiliates, social engineering techniques, fake cracked software, and CAPTCHA "ClickFix" decoys. CastleLoader is used as a propagation vector. No specific geographic target or detailed impact has been specified. Source: https://securityaffairs.com/187896/uncategorized/lummastealer-activity-spikes-post-law-enforcement-disruption.html