In your computer's folder settings, ensure "Hide extensions for known file types" is unchecked. This allows you to see the real .exe or .scr hidden behind a fake icon.
If you have already downloaded the file, do not open it. Upload the file to a service like VirusTotal to have it analyzed by dozens of different antivirus engines simultaneously. Download Bikini rar
Specialized malware designed to "vacuum" up browser saved passwords, credit card info, and session cookies to hijack your social media or banking accounts. In your computer's folder settings, ensure "Hide extensions