If you already downloaded or clicked the file, disconnect from the internet and run a full system scan using reputable antivirus software like Malwarebytes or Windows Defender.
Warning: If You Receive "received_535813991618116.rar", Don’t Open It received_535813991618116.rar
The .rar extension is a compressed archive. Once extracted, it typically contains an executable file ( .exe , .scr , or .vbs ) disguised as a photo or document. Opening that internal file can lead to: If you already downloaded or clicked the file,