We’ve all seen them. You open your "Junk" folder and find a file with a name so absurd, so graphic, or so scandalous that it stops your scroll. One of the most notorious examples lately is the subject line: .

Below is an interesting blog post exploring why these types of "shock-factor" scams are so effective and how they work.

You click a link to "download" the video, but instead, you download an .exe or .zip file. Once opened, it installs a Trojan —a piece of software that gives a hacker remote access to your webcam, saved passwords, and banking info.

The "Click-Bait" Virus: Why Your Inbox is Full of Scandalous Filenames

It will usually be a string of random characters or a hijacked account that has nothing to do with the content.

Even if the subject line changes, the red flags remain the same:

If you weren't looking for adult content, why would a random MP4 find its way to your inbox? The Bottom Line

In some cases, these emails aren't even meant to tempt you into watching something; they are meant to scare you. A user might think, "Wait, why is this being sent to my work email? Did I get hacked? I need to see what this is so I can delete it!" That moment of panic is exactly when you are most likely to click a link you shouldn't. 2. What’s Behind the "MP4"?