some testing Without PLAIN tag using: 1. Urgent virus definition update released (EEST/UTC+: 2. Version of virus signature database: 9653 (2014040 3. http://www.nictasoft.com/products/anti-virus-engine/ With PLAIN tags using: 1. Urgent virus definition update released (EEST/UTC+8): 2. Version of virus signature database: 9653 (20140408) 3. http://www.nictasoft.com/products/anti-virus-engine/ Works !