Files with these types of obfuscated names often originate from malicious email campaigns or "warez" (pirated software) sites.
Do not unzip or open any files contained within the archive. QXZlcmFnZVBlcnY=.zip
Typically delivered as an email attachment or a link in a phishing message. Files with these types of obfuscated names often
Investigate your Startup folders and Task Scheduler for any unrecognized entries created around the time the file was downloaded. QXZlcmFnZVBlcnY=.zip
Permanently delete the file from your system and empty the trash.