What is your OS(s)?
What other security software do you have now or ever had?
If removed how was it removed?
What are you using as firewall?
Dell Inspiron, Win7x64 SP1, Comodo Firewall 5.12 w/D+, MalwareBytes Free 2.1--HP Envy Win10x64, MalwareBytes Premium 2.1, Private Firewall--Both systems Avast Free v2015.10.3.2225, Super Anti-Spyware, Spyware Blaster, MCShield, Unchecky, Firefox (latest build) and, various browser security tools.
"Look before you leap!" Use online scanners before you click on any link.