Files with long, alphanumeric strings are often used to disguise viruses or trojans. Executing such a file can lead to a buffer overflow exploit where malicious code is placed into your system's memory.
Most modern operating systems open them natively via Windows Media Player or QuickTime . 4ffeeab0cf50b70752dfb9ab3307f6f3mp4 Original.mp4
In many cases, files shared under these cryptic names contain graphic or illicit material. Files with long, alphanumeric strings are often used