You can send malware and other infected files to Trend Micro. More specifically, if you have a file that you think is some kind of malware but the scan engine is not detecting it or cleaning it, you can submit the suspicious file to Trend Micro using the following address:

Please include in the message text a brief description of the symptoms you are experiencing. Our team of malware engineers will “dissect” the file to identify and characterize any malware it may contain and return the cleaned file to you, usually within 48 hours.