Dear,
In the past we had no problems editing a content of 
our Joomla website, but with latest virus signatures we became the following problem.
How can we solve this which we think is a "false" positive.
Date: 2018-06-11 13:32:55+02:00
Product: F-Secure Anti-Virus (OID: 1.3.6.1.4.1.2213.12)
Severity: security alert (5)
Message: Web Traffic Scanning Alert
Infection: http://intranet.arch.local/administrator/index.php?option=com_content&view=article&layout=edit&id=1141
Object name: JS:Trojan.Cryxos.1623
Action: Malicious content was blocked.
Thank you.