: Upload the file to VirusTotal to see if multiple antivirus engines flag it as malicious.
: Ensure it is a true .rar and not a hidden executable like 600k.rar.exe . Download 600k rar
: While the archive itself won't hurt your computer by just sitting there, extracting and running any .exe , .bat , or .scr files inside can trigger a virus. : Upload the file to VirusTotal to see