Ninja Browser
Ninja Browser is described as a trojanized Chromium-based browser used in a large-scale malware campaign. Reporting referenced in a Security Affairs malware newsletter indicates the campaign abused trusted Google services as part of the distribution chain and delivered both Lumma Stealer and the trojanized Ninja Browser. The activity targeted Windows and Linux systems. No additional high-confidence technical details (e.g., specific persistence mechanisms, C2 infrastructure, file hashes, or other IOCs) are provided in the available content.
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Recent activity
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Malware Newsletter Ninja Browser & Lumma Infostealer
Named malware-related browser component referenced alongside Lumma Infostealer; no further details provided in the newsletter text.
Trojanized Chromium-based browser delivered to Linux systems with persistence enabled, distributed via Google-hosted lures masquerading as software updates.
The version that knows your environment.
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Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
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Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.