Hackers often use ZIP files to bypass email security filters that block executable (.exe) files. CryptoDataDownload

Sites like CryptoDataDownload provide free CSV data tiers packaged in ZIP files for easy transfer. Critical Risks and Malware Threats

Downloading "free crypto" ZIP files is a high-risk activity that frequently serves as a delivery method for malware designed to steal digital assets. While some legitimate crypto-related ZIP files exist—such as historical market data or open-source software—the vast majority of unsolicited or "too good to be true" downloads are malicious. Common Legitimate Sources of Crypto ZIPs