The .zip file itself often contains an executable (.exe) or a script masquerading as a text file. Running these will compromise your own computer.
Downloading files labeled as "517K PRIVATE COMBOLIST EMAILPASS zip" is extremely dangerous and typically serves as a delivery mechanism for malware or a scam. Direct Warning Download 517K PRIVATE COMBOLIST EMAILPASS zip
Use reputable services like Have I Been Pwned to see if your data has been compromised in known breaches. Direct Warning Use reputable services like Have I
These are compiled from multiple historical data breaches and sold or shared in the criminal underground for brute-force attacks. - Group-IB If you are concerned your own
Combolists and ULP Files on the Dark Web: A Secondary ... - Group-IB
If you are concerned your own email is on one of these lists:
Experts from Reddit's cybersecurity community recommend using password managers to generate unique, complex passwords for every site.