Antivirus Protection
Every file stored on the System is checked for viruses within several minutes of being uploaded or generated. The file remains marked with the bug icon
until the virus check is complete. Provided the antivirus application detects a virus in the file, it deletes its contents and inserts into it the message 'Virus found, file removed.'.

NB: The presence of

means the file has not been checked for viruses yet, not that it is infected. The contents of the infected files are removed immediately after a virus has been detected.