hi guys I have tried avast in safe mode the stubborn devil will not be deleted repaired or moved
Please help 
It’s probably in bad taste for me to link to products from another company, but you could try this the tool here.
http://securityresponse.symantec.com/avcenter/venc/data/w32.netsky@mm.removal.tool.html
the avast virus cleaner will handle this worm