Plugin has crashed my site, HELP!

Hi There,

Firstly, I am TOTALLY new to WordPress and all things Web. Earlier today I logged onto my site through the /wp-admin portal and had a Forbidden 403 Error. I immediately contacted both my web and domain hosts to verify the DNS & routing settings were correct. My web host informed me that the page had been taken down after I had installed Sphinx Search Plugin, listed below,

http://ww.wp.xz.cn/plugins/wordpress-sphinx-plugin/

They provided me with a long response, which to be honest I don’t entirely understand, but as I cannot log into my wp-admin part of my website, I have no idea how to fix it, or what really has gone on. All I know is that this plugin has corrupted my site and compromised the security of the server. Can anyone help? I am totally lost..

Thank you to all WordPress & web geniuses in advance!

My website is:
http://www.marionhume.com

Here is my web host’s message:

Hi,

We have detected that your hosting package (marionhume.com) is running a permanent
server process. This is a process which runs continuously rather than
running only in response to web site hits. This may indicate that your
site has been compromised, in which case it may be distributing viruses
and/or attacking other sites on our servers.

Permanent server processes are against our terms, so scripting has been
disabled on this package, but FTP remains enabled.

Please update this ticket once you have resolved this issue, we can then
re-enable this website. If you need advice on how to resolve the issue,
please ask.

Details of the process are included below.

Best Wishes,
Heart Internet Support

25049 marionhume.com (300 s) [11/Feb/2014:15:05:01 +0000]
“searchd” (/home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/bin/searchd) /home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/bin/searchd –config /home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/sphinx.conf
searchd 25049 marionhume.com 0u CHR 1,3 0t0 3842 /dev/null
searchd 25049 marionhume.com 1u CHR 1,3 0t0 3842 /dev/null
searchd 25049 marionhume.com 2u CHR 1,3 0t0 3842 /dev/null
searchd 25049 marionhume.com 3u sock 0,6 0t0 2463531909 can’t identify protocol
searchd 25049 marionhume.com 4u unix 0xffff880026e04080 0t0 2470427816 socket
searchd 25049 marionhume.com 5u IPv4 2470427751 0t0 TCP 10.0.44.147:59151->10.0.52.0:3306 (CLOSE_WAIT)
searchd 25049 marionhume.com 6u sock 0,6 0t0 2463587213 can’t identify protocol
searchd 25049 marionhume.com 7u sock 0,6 0t0 2463593963 can’t identify protocol
searchd 25049 marionhume.com 8u sock 0,6 0t0 2465036751 can’t identify protocol
searchd 25049 marionhume.com 9u sock 0,6 0t0 2466827287 can’t identify protocol
searchd 25049 marionhume.com 10u sock 0,6 0t0 2468263513 can’t identify protocol
searchd 25049 marionhume.com 11u sock 0,6 0t0 2469694937 can’t identify protocol
searchd 25049 marionhume.com 12wW REG 0,19 6 114061032 /home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/var/log/searchd.pid (cluster34.hi.local:/home/sites)
searchd 25049 marionhume.com 13u IPv4 2470428210 0t0 TCP 127.0.0.1:9312 (LISTEN)
searchd 25049 marionhume.com 14u CHR 1,3 0t0 3842 /dev/null
searchd 25049 marionhume.com 15u CHR 1,3 0t0 3842 /dev/null
searchd 25049 marionhume.com 16u REG 0,19 122 114061057 /home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/var/log/searchd.log (cluster34.hi.local:/home/sites)
searchd 25049 marionhume.com 17u REG 0,19 1350 114061058 /home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/var/log/query.log (cluster34.hi.local:/home/sites)
searchd 25049 marionhume.com 18uW REG 0,19 0 114061033 /home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/var/data/wp_main.spl (cluster34.hi.local:/home/sites)
searchd 25049 marionhume.com 19uW REG 0,19 0 114061034 /home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/var/data/wp_delta.spl (cluster34.hi.local:/home/sites)
searchd 25049 marionhume.com 20uW REG 0,19 0 114061035 /home/sites/marionhume.com/public_html/wp-content/uploads/sphinx/var/data/wp_stats.spl (cluster34.hi.local:/home/sites)
searchd 25049 marionhume.com 88u IPv4 2470396601 0t0 TCP 10.0.44.147:57655->10.0.52.0:3306 (CLOSE_WAIT)