How to solve this annying pop up infecting mshta.exe?

Hello everyone,

 

Norton can't help me to remove an annoying japnese pop up that is related with the process mshta.exe. the annoying pop up is the following http :// d1a0.harrdaaa. me?d?CJWoYoIs9RYuyc7EX~S2Og.asp Norton antivirus, and power eraser couldn't help me to solve this problem. Please help me, it keeps poping up even if i end the process!!!!

popup

 

 

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