Fast, Broad, and Elusive: How Vidar Stealer 2.0 Upgrades Infostealer Capabilities


On October 6, 2025, the developer known as “Loadbaks” announced the release of Vidar Stealer v2.0 on underground forums. This new version features a complete transition from C++ to a pure C implementation, allegedly enhancing performance and efficiency. Its release coincides with a decline in activity surrounding the Lumma Stealer, suggesting cybercriminals under its operation are exploring alternatives like Vidar and StealC.

Vidar 2.0 is said to introduce a range of concerning features, including advanced anti-analysis measures, multithreaded data theft capabilities, and sophisticated methods for extracting browser credentials. With a consistent price point of US$300, it offers attackers powerful tools that are both cost-effective and efficient.

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Source: Trend Micro


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