I was told that our website is the download site for malware?
Your website was broken into by cyber criminals and they are using your website to deliver malware to the rest of the world. You may not see any changes to your website, but the malware downloading activity is going on where you cannot see it. You may want to contact your web hosting company or website designer to resolve the issue.
Google has some resources:https://www.google.com/webmasters/hacked/
Google also has a diagnostic page that could provide some info for your website hosting company or web designer:https://www.google.com/transparencyreport/safebrowsing/diagnostic/