Malicious Code Found in Fearless Wallet Browser Extension

The Fearless Wallet browser extension has been flagged as malicious, exposing users to potential asset theft. According to a recent alert by the @SlowMist_Team, versions 3.0.1 and 3.0.3 to 3.0.5 are compromised, posing risks for nearly 20 months. Users are urged to take immediate action to safeguard their funds by creating new wallets and transferring assets.

Breaking It Down

The Fearless Wallet extension has been compromised, with malicious code designed to steal wallet recovery phrases, private keys, and keystore files. This vulnerability has been active from February 2025 until now, affecting a significant number of users. As the crypto market shows mixed signals, this security alert serves as a stark reminder of the risks associated with using browser extensions for wallet management. Users are advised to act quickly to mitigate potential losses.

At a Glance

• The Fearless Wallet extension has been compromised, threatening user data security. Affected versions are 3.0.1 and 3.0.3 to 3.0.5. The malicious code has been active since February 2025. Users must create new wallets to secure their assets. Changing passwords or reinstalling the extension won’t suffice.

Market Snapshot

Currently, the crypto market is experiencing varied momentum, and security incidents like this can further destabilize user sentiment. With no significant trading volume reported for the Fearless Wallet, the focus now shifts to user safety and recovery strategies. The alert from SlowMist underscores the importance of vigilance in crypto asset management.

Fearless Wallet provides users with a browser extension to manage their cryptocurrency assets. The jurisdiction over this alert stems from rising concerns about digital asset security and the need for user awareness in the crypto space, where many are vulnerable to theft through malicious software.

What Comes Next

Traders should remain vigilant regarding updates on the Fearless Wallet situation, particularly any further developments that could influence user trust and security in wallet management. Watching for broader reactions in the market to this alert may provide insights into user sentiment and risk perceptions within the crypto community.