Welcome, I am Cory. Thank you for asking your question today.
You are right this is a scam.
If they charged anything to the card, please make sure you dispute the charges.
You can file a complaint here https://www.ic3.gov/default.aspx about the company to be investigated.
Because you let them access, the computer, you should download Malwarebytes. It is a free virus/malware remover downloaded by over 300 million people.
You can download it here. - https://www.malwarebytes.com/ and click on Free Download.
Once you run, install and scan the computer, it should be secure again.
Please let me know if you have any further questions.
Please do not forget to rate my answer above with the star rating system.
You will be charged the amount you placed on the deposit for the question when you asked it. You maybe in a subscription which will add other costs of what I do not have the info for.
If you did not let them access any accounts, then you should not have any problems as far as that goes.
Let me know if you have any other questions and I'll be happy to answer.
I am almost sure it is not only $5, but I don't know the exact cost.
Please look at the card charges to know totals.
Please do not forget to use the star rating system to give me credit for assisting you today.