Are You Stuck at Helpsupport.usa.cc (1-866-711-4990) Pop-up?
Helpsupport.usa.cc dresses itself as a kind reminder that helps Mac users get out of security problem. Actually this Mac Security Warning coming with both text message and audio message is a fake one created to cause distress and make its victim act irrationally. If you are a sufferer, you may be alerted to login in with a password when this pop-up occupies your Safari. It locks up your screen with a bogus BSoD claiming:
"The problem is caused by an unusual activity performed on this machine. Error code: KSCQF. Call customer support number 1-866-711-4990 and share this code with the agent…"
