K4tcgwjlmeemqcez0utdnry9fsa.zip -

Look at which folder the file is in. If it is in a Temp folder or a Cloud Storage cache directory, it is likely a transient file used by an application.

Avoid opening or running any .exe or script files inside the ZIP until you are certain of its contents. K4TcgwjLMEemqCeZ0utdNry9fsa.zip

If the file appeared unexpectedly and does not seem linked to your active apps, move it to the Recycle Bin but do not empty it immediately. If no programs give you errors over the next few days, it is likely safe to delete permanently. Look at which folder the file is in