Searching for and downloading these tools often leads to several dangerous outcomes:

Many sites promising a free Scandinavia DLC key will ask you to complete "human verification" surveys. These are designed to harvest your phone number or email address for spam lists.

If you attempt to use a fraudulent or "grey market" key that was purchased with a stolen credit card, Steam may revoke the DLC from your library or, in extreme cases, ban your entire account. How to Get the Scandinavia DLC Safely (and Cheaply)

Most "key generator" files are actually Trojans or ransomware. Once you run the .exe file, it can steal your browser passwords, log your keystrokes, or lock your files for ransom.