HTML: HideMe-F [Trj] found injected in Customizr Header

Didn’t do anything to my site for some time but today suddenly AVAST detected HTML: HideMe-F [Trj] injected in my Customizr header as show below. Thought I highlight this and hope fellow forumers can thrown some light on what may have happened and I to remove the virus. Thanks in advance!

<img src=”https://www.duo2tek.com/wp-content/uploads/2014/08/logo-transparent-250x100A.png&#8221; alt=”Back Home” /> <div class=cxo3>installment loans in south dakota
<div class=cxo3>installment loans in south dakota
</div><style>.cxo3{position:absolute;clip:rect(487px,auto,auto,419px);}</style> </div><style>.cxo3{position:absolute;clip:rect(487px,auto,auto,419px);}</style> </div> <!– brand span3 –>

<div class=”container outside”><h2 class=”site-description”>holistic solutions</h2></div