Fast, Broad, and Elusive: How Vidar Stealer 2.0 Upgrades Infostealer Capabilities
ID: 339d2bcf-b6c5-5cc0-8ab6-9c54dfc8c159
STIX ID: report--339d2bcf-b6c5-5cc0-8ab6-9c54dfc8c159
Feed Name: TrendAI Security Blog
Threat Score
Vidar Stealer v2.0, announced Oct 6, 2025, is a rewritten, C-based infostealer that introduces multithreaded data collection, advanced anti-analysis and AppBound bypass techniques (including memory key theft), and an automatic polymorphic builder; the report provides technical analysis, targeted data types (browser credentials, wallets, cloud and app tokens), execution phases, MITRE mappings, and warns security teams of rising activity and detection challenges as actors migrate from Lumma Stealer.
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