Zoho mail Virus Scan Virus Detected (but I checked it with VirusTotal)

Zoho mail Virus Scan Virus Detected (but I checked it with VirusTotal)

Dear all,

since this morning we can;t send any attachments out. Zoho says there is a virus in it, but clearly there is not when I checked the file on VirusTotal.com.

Please help us out!