Use a tool like WinRAR or 7-Zip to instead of "Extract." This allows you to see the file names inside without actually executing any code. 3. Check the Source
: The file might contain HTML files designed to steal login credentials. 25640.rar
Ask yourself where the file came from. If it arrived via an unsolicited email or an "abandonware" site, it is highly likely to be malicious. Final Verdict Use a tool like WinRAR or 7-Zip to instead of "Extract