July 20, 2021

A "combolist" is a text file containing massive lists of username/email and password combinations, usually formatted as email:password .
Combolists and ULP Files on the Dark Web: A Secondary ... - Group-IB
The .zip file itself often contains an executable (.exe) or a script masquerading as a text file. Running these will compromise your own computer.
If you are concerned your own email is on one of these lists: