https://cointelegraph.com/news/hodlers-beware-new-malware-targets-metamask-and-40-other-crypto-wallets"Named Mars Stealer by its developers, the new malware is a powerful upgrade on the information-stealing Oski trojan of 2019, according to security researcher 3xp0rt. It targets more than 40 browser-based crypto wallets, along with popular two-factor authentication (2FA) extensions, with a grabber function that steals users’ private keys.
MetaMask, Nifty Wallet, Coinbase Wallet, MEW CX, Ronin Wallet, Binance Chain Wallet and TronLink are listed as some of the targeted wallets."
https://3xp0rt.com/posts/mars-stealerThe easiest way to protect yourself is to buy a hardware wallet.