Hi there,
please use this form to report it to Avast: http://www.avast.com/contact-form.php
Should be fixed within about 2 days.
Malicious by WebSense on VT: https://www.virustotal.com/ro/url/06f119f5b2a051f2ef0e442e0e87504204d34d686d8484fdee6a61f2ee265969/analysis/1406672541/
Sucuri no Website Firewall detected: http://sitecheck.sucuri.net/results/opticalwarehouse.com.au