Security 0 SimplePie Folder in wp-includes??

Is SimplePie folder in the wp-includes primary folder an Enfold theme official file?

I’ve read that WordPress website’s .htaccess files have been hacked by this code and wreak havoc on WP sites.

Here’s are a few links if you are interested.

http://www.tellingdad.com/2013/wordpress-htaccess-hack-and-fix/

http://www.symantec.com/connect/articles/sniffers-what-they-are-and-how-protect-yourself

Please let me know ASAP. Thanks much!