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Vidar 2.0 Infostealer Emerges as Lumma Stealer Declines

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A new version of the Vidar infostealer, dubbed Vidar 2.0, has been released with enhanced capabilities and a multithreaded architecture. This upgrade coincides with the decline of Lumma Stealer, which has been disrupted by law enforcement operations and doxxing campaigns. Vidar 2.0 introduces significant improvements, including a complete rewrite in C, faster data exfiltration, and advanced evasion techniques. The upgrade was announced by a developer known as “Loadbaks” on underground forums on October 6, 2025. Vidar 2.0 is expected to become more prevalent in cybercriminal campaigns through the end of 2025.

Timeline

  1. 23.10.2025 13:00 1 articles · 6h ago

    Vidar 2.0 Infostealer Released with Enhanced Capabilities

    On October 6, 2025, a new version of the Vidar infostealer, dubbed Vidar 2.0, was announced. This upgrade features a multithreaded architecture for faster data exfiltration, a complete rewrite in C for increased stability, and advanced evasion techniques. The release coincides with the decline of Lumma Stealer, which has been disrupted by law enforcement operations and doxxing campaigns. Security teams should anticipate increased prevalence of Vidar 2.0 in cybercriminal campaigns through Q4 2025.

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