Virus keeps adding shutdown to scheduled tasks

[banyaipanna]

Virus keeps adding cmd.exe /c shutdown -s -t 0 to Task Scheduler. HELP
I can delete the task but it will come back after X days... Malware Bytes found nothing on my machine

Screenshots :

http://prntscr.com/kzyxn2

http://prntscr.com/kzyxr9

Please help.

 

[norcalsc]

Try reinstalling windows