How to Fix the Mouse Virus
Mouse, sometimes referred to as Mouse Hunt, is an adware program that installs itself onto your computer without your permission. Once on your computer, Mouse tracks your Internet searches and displays relevant pop-up advertisements. In addition, Mouse may change your Internet homepage and redirect your Internet searches. Mouse slows your computer and decreases the computer's available memory and thus you should consider removing it immediately. (Note that the removal steps detailed in this article apply to Windows Vista and Windows 7.)
Press "Ctrl" + "Alt" + "Delete" and click on "Start Task Manager. The Windows Task Manager opens.
Click on the "Processes" tab and then click "Show Processes From All Users."
Right-click on "mouse.exe" and select "End Process." Close the Windows Task Manager.
Click on the "Start" menu and type "mouse.exe" into the "Search Programs and Files" box.
Right-click on the "Mouse.exe" file that appears in the results list and select "Delete."
Restart your computer.