: Sudden slowdowns, high CPU usage, or strange pop-ups are common signs of infection.
: Press Ctrl + Shift + Esc , look for "JAJAJA_Protect.exe" in the Processes tab. If found, right-click it and select Open file location , then End Task . Delete the file from the original folder. JAJAJA_Protect.exe
Are you seeing any or unusual system behavior since this file appeared? "jucheck.exe"--What to Do After Removal? - Microsoft Q&A : Sudden slowdowns, high CPU usage, or strange