"A person has gained access to our main email account which have details listed for our FTP's, etc. He then uploaded a malicious application to the US file host which has since been taken offline."
"The file was called dayz_auto_updater.exe. This malicious software is lead to be a backdoor / bot."
If you've downloaded this file, run a virus check to make sure your machine hasn't been compromised. Head overfor more details.