If you're currently using Internet Explorer 6, 7 or 8, it's time to close this window and re-open it in another browser. A new exploit -- HYML_BADEY.A -- is quickly spreading.

The exploit, HTML_BADEY.A, uses the vulnerability to remotely execute code. By visiting a compromised website, encrypted files are downloaded to your computer and then decrypted to become a Trojan backdoor. Little is known about what happens after that -- this might just be a proof of concept, or it might be the beginnings of a new botnet.

For administrators, the Microsoft Security Advisory for the vulnerability suggests some ways to mitigate the risk of using Internet Explorer 6, 7 and 8 until a fix is released. Alternatively, use Internet Explorer 9 -- or any other browser!

Read the full story at Download Squad.