TimThumb.php error

Hello,

My host blocked my account because is found to be consuming an inordinate amount of processor time.

CPU seconds used in the past hour: 3252.35999999999, 91% CPU

Running Processes:
timeform 3402 3.9 0.2 310980 49688 ? RN 12:01 0:00 /usr/bin/php /home/timeform/public_html/boomovies.com/index.php
timeform 3482 3.8 0.2 309420 47864 ? RN 12:01 0:00 /usr/bin/php /home/timeform/public_html/boomovies.com/index.php

and a lot of this

Open connections

Current Site Requests:
109.100.21.73 boomovi.time-for-movie.com /category/comedie/page/2/
109.100.21.73 boomovi.time-for-movie.com /category/comedie/page/2/
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi
109.103.202.213 boomovi.time-for-movie.com /wp-content/themes/stargate/timthumb.php?src=https://boomovi

how to resolve this issue?my website is down and the hosting company don’t up my site until i resolve the issue

p.s i can’t change the theme if i do that i lose all of my content.

Sorry for my english.