If you have already downloaded the file, do not open it. Instead, upload it to the VirusTotal scanner to see if it triggers any security flags from major antivirus engines.
RAR (Roshal Archive) is a compressed file format.
Are Zip Files Safe to Open?
Do not extract the contents. Compressed archives like .rar or .zip are often used to hide viruses or malware from basic scanners.
Because "56579.rar" does not correspond to a recognized program, treat it with extreme caution: 56579.rar
Hackers frequently use RAR files to deliver "backdoor" programs or steal sensitive data once the user runs an enclosed file. Community Perspectives
“Any virus compressed in a RAR file can't harm your device until you extract it.” Avast · 2 years ago If you have already downloaded the file, do not open it
If the archive requires a password provided by a suspicious source, it is likely designed to bypass antivirus scans, as encrypted content cannot be easily inspected by security software. Technical Context