: Large text files from unofficial sources can be "booby-trapped" with scripts or used as bait for malicious attachments .
The file you are referring to, (~106.6 MB), is likely a component of a massive database leak involving millions of credentials from Mail.ru and other forums. This specific file name suggests it contains 4,000,000 records of usernames and passwords. Critical Safety Warnings
: Downloading and possessing stolen credentials can have legal implications depending on your jurisdiction. Guide: How to Handle This Data Safely
: Major Mail.ru breaches (such as the one in 2016 involving 25 million records) were found to be 99.9% invalid or composed of old data.
If you are worried your information is in this file or a similar leak, do download the file from untrusted sites. Instead, follow these professional security steps:
