A widespread malvertising campaign uses malicious JavaScript on fake Solana, Luno, and TradingView sites to assemble malware directly in browser memory, bypassing traditional detection methods. The attack targets retail traders and crypto investors in 12 countries by building unique malware payloads locally using service and shared workers, then delivering them via a same-origin download process. Security researchers warn users to avoid downloading financial apps from ads and to obtain executables only from official sites with verified digital signatures.
Malicious Sites Use JavaScript to Build Malware in Browser Memory
