malware or virus?

I am running an iMac that has been upgraded to the OSX Yosemite.  This morning was doing some research for a medical procedure while in  their site up popped a picture and music with "Hacked by Turk Hack Team." I quickly got out.

Is there anything I should/should not do?  Also, what is this entity?  Is it a Trojan, or a virus or just malware?
Richard ChristensenRetired computer technicianAsked:
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

x
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

btdownloads7Commented:
You might have just gone to a website tha was hacked, or something could have actually infected you. All you have to to is run the free Adware Medic to see if you'te infected, and download the free Bitdefender Scanner

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
Eoin OSullivanConsultantCommented:
I'd be fairly sure it isn't your Mac .. it is a hacked website.  The chances of your mac being affected are very very slim.

Neither of the applications listed would be my recommendation to run on OSX.

If you have an anti-virus application on your computer - by all means run a scan .. if you don't have one try
https://www.avast.com/free-mac-security
or
http://www.avg.com/ie-en/avg-antivirus-for-mac
David AndersTechnician Commented:
The website was hacked, there have been hundreds.
https://www.google.com/search?q="Hacked+by+Turk+Hack+Team"
serialbandCommented:
That's so 90s of them.
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Mac OS X

From novice to tech pro — start learning today.