Upload the file to VirusTotal to see if any major antivirus engines flag it.
Whether natalkak.zip is a personal archive or a training sample, the rule of thumb remains: If it’s from an unknown source, the safest place for it is the trash bin. NatalkaK | groups natalkak.zip
Be wary of "double extensions" like natalkak.zip.exe , which are designed to look like archives but are actually executable programs. Upload the file to VirusTotal to see if