Hackers frequently use RAR files to deliver "backdoor" programs or steal sensitive data once the user runs an enclosed file. Community Perspectives
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. 56579.rar
RAR (Roshal Archive) is a compressed file format. Hackers frequently use RAR files to deliver "backdoor"
Because "56579.rar" does not correspond to a recognized program, treat it with extreme caution: do not open it. Instead
“You can try uploading the RAR file to virustotal.com and check the results.” Purism community · 5 years ago
Experts and users on tech forums generally advise against opening unexpected or oddly named archives.