H4ll0w1nf1n4l.4k.yamil.part01.rar Today

Specifies that this is the first segment of a multi-part compressed archive. .rar: The file extension for a WinRAR compressed folder.

Likely the "encoder" or the person/group who processed the file. H4ll0w1nF1n4l.4K.yamil.part01.rar

To open this file properly, you would generally need all subsequent parts (part02, part03, etc.) in the same folder before extracting the first one. Specifies that this is the first segment of