Do not open or extract the contents of the archive. The simple act of unzipping can sometimes trigger scripts, and running any file inside (like a .exe , .scr , or .vbs disguised as a document) will likely infect your system [4].
If the file is already downloaded, upload it to VirusTotal to check it against over 70 different antivirus scanners simultaneously. 836 best.rar
If you did not specifically request this file from a known, trusted source, delete it immediately and empty your trash [5]. Do not open or extract the contents of the archive
If the file came from a colleague or friend, contact them via a different platform (like a phone call) to see if their account was compromised and if they actually sent it. Potential False Positives 836 best.rar