Because the filename "9igoifu2smvk.rar" is non-descriptive and seemingly random, you should exercise caution before opening it:
Since this is an archive, you cannot "read" or "run" it without first extracting its contents. You will need one of the following tools:
: It includes a "recovery record" feature that can help repair files if they become physically damaged during transfer.
The specific file appears to be a unique, randomly named compressed archive, likely associated with a specific download link from a file-sharing platform or a private database. There is no public documentation or standard software identity tied to this exact filename, suggesting it is a user-generated or system-generated name for a specific set of data.
: Compressed files are often used to hide viruses or malware. A virus inside a RAR archive cannot harm your computer until it is extracted.