Sc24428-humanupd10203629.rar Today

(e.g., a specific manufacturer's website, a data repository, or a search engine?)

It might be a patch or "human" update for a specific industrial or medical imaging system (given the "sc" and "HUMAN" prefixes). sc24428-HUMANUpd10203629.rar

In scientific contexts, "sc" often stands for "single-cell" sequencing data, and the rest could be a specific experiment ID. a specific manufacturer's website

Are you trying to install an update, analyze a dataset, or are you concerned about what the file contains? Which of those sounds like what you are looking for? a data repository