WordPress Blackhole Exploit
/wp-content/themes
/wp-content/themes/(your theme name)
/wp-content/plugins
/wp-content
Remove everything that begins with "if (!isset($sRetry))" and ends with the final curly brace before the closing php statement. In all of the index files except for the one in themes, you should be left with:
<?php //silence is golden?>
-- Lisa G
Are you using WordPress? Have you tried qSandbox yet?