Backdoor.Win64.TDSS.a is categorized as a Trojan attack which can drop additional threats for cyber criminal purpose. This virus can take advantage system vulnerability to carry out a serial of territory attack. Generally speaking, the virus can be placed on various suspicious website or an attachment form of spam emails. Once the virus successfully launches on targeted system, it can slow down the overall speed of system running level.
Manual Guide to Safely Remove Backdoor.Win64.TDSS.a/ Tips for Trojan Virus Removal