Completely Get Rid of McClean Virus

Screenshot of McClean:

What is McClean?
Just as Windows Accelerator Pro,  McClean is another rogue antivirus software. The presence of McClean will definitely trigger a lot of computer issues.

As rogue antivirus software, once invades into the target PC, McClean will perform many so-called virus scans automatically to interrupt computer users to operate the infected PC normally.  After the scans, it displays a long list of computer threats and viruses to scare inexperienced compute r users.  And then prompts people to purchase its product to eliminate all the threats and infections.
Here are the complaints about McClean virus:

Case one: McClean installs to my computer against my will. It can’t be uninstalled or removed by security utilities. What should I do?