Where did the file originate? Files from the Official IPVanish Support Site are safe configuration files, whereas files found on file-sharing sites are high-risk.
If it looks like user@email.com:password123 , it is a . ipvanish_randomized.txt
Usually formatted as email:password or username:password . Where did the file originate
Files with this naming convention frequently appear on forums like Pastebin or in GitHub repositories as "combo lists." ipvanish_randomized.txt