Only download from well-known community forums or trackers with a reputation system (comments, likes, or uploader "ranks").
If you must open a suspicious file, do it inside a Virtual Machine or a "Sandbox" environment to protect your main operating system.
Some "verified" links lead to sites that ask for your credit card info or personal details under the guise of "age verification" or "premium membership" for a file host. 3. Corrupt or Incomplete Archives
