Once you have the file, follow these steps before extracting the contents:
If this is a backup from your own cloud storage or a file sent by a known colleague/friend, it is likely safe.
Avoid downloading .rar files from random pop-ups or "free download" sites, as they are common vectors for malware. 2. How to Open a .RAR File Download 16668183420994 CB1666818342 rar
After extracting, look at the files inside. Be extremely wary of files ending in .exe , .scr , .vbs , or .js if you were expecting documents or images.
You can upload the file (or the download link) to VirusTotal to have it analyzed by over 70 different antivirus scanners simultaneously. Once you have the file, follow these steps
Before downloading or opening this archive, verify where it came from. Because the filename is non-descriptive, it could potentially be a malicious file if found on an untrusted website or received via an unsolicited email.
A free, open-source alternative that handles almost all compression formats. How to Open a
Right-click the file and select "Scan with [Your Antivirus]" (e.g., Windows Defender).