The string you provided is a classic example of a often found on shady file-sharing sites and forums. Here is the "story" of how these links usually play out for an unsuspecting user.
: In some cases, the user's files are suddenly encrypted, and a background wallpaper appears demanding Bitcoin to get them back. The string you provided is a classic example
: A static image claiming the file was scanned by McAfee or Norton and found to be "Clean." the user's files are suddenly encrypted