If you have the file and are unsure of its safety, do not open it. Instead, follow these steps:
.rar files can utilize "Zip Bomb" techniques or contain obfuscated JavaScript/PowerShell scripts designed to execute upon extraction. Recommended Action Plan G4c.rar
Use a tool like 7-Zip to "Open Archive" (rather than "Extract") to see the names and extensions of the files inside. Be wary of double extensions like G4c.pdf.exe . If you have the file and are unsure
If you received this file unexpectedly via email or downloaded it from an unverified source, it is highly suspicious. do not open it. Instead