A charge of £69.99 appearing on my CreditCard statement

On 4th Dec. a charge appeared on my Mastercard statement of £69.99 against "DRI AVG Technologies orderfind.com" with a reference number of 3425871.
To the best of my knowledge I hagve not ordered any product from you anddo not know how you would know my Mastercard number. Would you please investigate and respond as soon as possible

Hello F. Peter,

We will look into it. I have sent you an email requesting more info. Please revert to that email to check and assist you further.