: The file is password-protected. To get the password, the user is directed to a survey site that generates ad revenue for the uploader but never actually provides the key.
In the context of the internet's "underworld," the story of such a file usually goes like this: The Story of the "rar" File Download Email List Country rar
Downloading these types of files is a high-risk activity. Major email service providers (like Gmail or Outlook) and marketing platforms (like Mailchimp) have strict policies against using "bought" or "scraped" lists. Using them typically leads to account suspension and poor deliverability. : The file is password-protected