: If you have already opened the file, perform a full scan of your computer using updated antivirus software like Microsoft Defender or Malwarebytes .
: Use tools like VirusTotal to upload the file (or its URL) for analysis by over 70 antivirus engines.
While there is no public information identifying a legitimate file named qacopmek0ef1.zip , file names with random alphanumeric strings are frequently associated with automated malware distribution. If you have received this file unsolicited via email or a suspicious link, it is highly recommended to treat it as malicious.
The safety of a ZIP file depends entirely on its contents rather than the ZIP format itself.