ok you should try this. download this free tool www.malwarebytes.com or if that dosent work try www.superantispyware.com copy and paste the following and download 1 of those make sure you quarantine any infections do not remove them incase there are system files that are infected. try booting into safe mode and try scanning then.
also if your useing mse you should send them a virus sample.
https://www.microsoft.com/security/portal/submit.aspx