If the filename looks like a cat walked across a keyboard, it’s probably malicious.

Your personal photos and documents are encrypted, and you're forced to pay a fee to get them back.

for every download, making it harder for antivirus software to flag the file globally. Hide the true nature of the payload inside. 2. The Danger of .RAR Files

If you download and extract a file like "Wha13dq2wefrgthjkou8.rar," you aren't likely to find the content you were looking for. Instead, you may trigger:

Some basic security tools cannot see inside compressed files without a password.

Software that quietly watches you type in your bank passwords or social media logins.