Site showing as infected/redirect HEUR:Trojan.Script.Generic - Joomla! Forum - community, help and support

having problem site (http://www.4msnetworks .co.uk) showing having heur:trojan.script.generic cisco scansafe blocking site.
have signed comodo siteinspector , shows site being redirected http://www.google .il

joomla date, permissions should fine, no anon ftp, htaccess seems fine. can advise on problem?

have run fpa -

problem description :: forum post assistant (v1.2.3) : 11th december 2012 wrote:site showing have infection/redirect cisco scansafe (heur:trojan.script.generic) , comodo siteinspector (redirected to: http://www.google .co.il/)

forum post assistant (v1.2.3) : 11th december 2012 wrote:

basic environment :: wrote:joomla! instance :: joomla! 2.5.8-stable (ember) 8-november-2012
joomla! platform :: joomla platform 11.4.0-stable (brian kernighan) 03-jan-2012
joomla! configured :: yes | writable (644) | owner: u51724227 (uid: 1/gid: 1) | group: ftpusers (gid: 1) | valid for: 2.5
configuration options :: offline: 0 | sef: 1 | sef suffix: 0 | sef rewrite: 0 | .htaccess/web.config: no | gzip: 0 | cache: 0 | ftp layer: 0 | ssl: 0 | error reporting: default | site debug: 0 | language debug: 0 | default access: 1 | unicode slugs: 0 | database credentials present: yes

host configuration :: os: linux infong 2.4 #1 smp fri may 18 17:32:59 utc 2012 i686 gnu/linux | os version: linux infong 2.4 #1 smp fri may 18 17:32:59 utc 2012 i686 gnu/linux | technology: linux infong 2.4 #1 smp fri may 18 17:32:59 utc 2012 i686 gnu/linux | web server: apache | encoding: gzip, deflate | doc root: /kunden/homepages/41/d268519313/htdocs/4ms_2012 | system tmp writable: yes

php configuration :: version: 5.2.17 | php api: cgi-fcgi | session path writable: yes | display errors: 1 | error reporting: 6135 | log errors to: | last known error: | register globals: 0 | magic quotes: 1 | safe mode: 0 | open base: | uploads: 1 | max. upload size: 40m | max. post size: 8m | max. input time: -1 | max. execution time: 50000 | memory limit: 90m

mysql configuration :: version: 5.0.96-log (client:5.1.63) | host: --protected-- (--protected--) | collation: latin1_german2_ci (character set: latin1) | database size: 704.23 kib | #of tables: 79

detailed environment :: wrote:php extensions :: date (5.2.17) | libxml () | openssl () | pcre () | zlib (1.1) | bcmath () | bz2 () | calendar () | ctype () | curl () | dba () | dbase () | dom (20031129) | hash (1.0) | filter (0.11.0) | ftp () | gd () | gettext () | session () | iconv () | idn () | standard (5.2.17) | json (1.2.1) | mbstring () | mcrypt () | mhash () | mysql (1.0) | simplexml (0.1) | spl (0.2) | pdo (1.0.4dev) | pdo_sqlite (1.0.1) | posix () | reflection (0.1) | imap () | shmop () | pdo_mysql (1.0.2) | soap () | mysqli (0.1) | sqlite (2.0-dev) | exif (1.4 $id: exif.c 293036 2010-01-03 09:23:27z sebastian $) | tidy (2.0) | tokenizer (0.1) | wddx () | xml () | xmlreader (0.1) | xmlwriter (0.1) | xsl (0.1) | zip (1.8.11) | cgi-fcgi () | zend engine (2.2.0) |
potential missing extensions :: suhosin |

switch user environment (experimental) :: php cgi: yes | server su: yes | php su: yes | custom su (litespeed/cloud/grid): yes
potential ownership issues: no

folder permissions :: wrote:core folders :: images/ (755) | components/ (755) | modules/ (755) | plugins/ (755) | language/ (755) | templates/ (755) | cache/ (755) | logs/ (755) | tmp/ (755) | administrator/components/ (755) | administrator/modules/ (755) | administrator/language/ (755) | administrator/templates/ (755) |

elevated permissions (first 10) ::

extensions discovered :: wrote:components :: site :: com_wrapper (2.5.0) | com_mailto (2.5.0) |
components :: admin :: com_admin (2.5.0) | com_login (2.5.0) | com_modules (2.5.0) | com_menus (2.5.0) | com_config (2.5.0) | com_languages (2.5.0) | com_search (2.5.0) | com_cache (2.5.0) | com_cpanel (2.5.0) | com_weblinks (2.5.0) | com_joomlaupdate (2.5.0) | akeeba (3.6.9) | com_templates (2.5.0) | com_banners (2.5.0) | com_checkin (2.5.0) | com_messages (2.5.0) | com_media (2.5.0) | widgetkit (1.0.5) | com_installer (2.5.0) | com_newsfeeds (2.5.0) | com_users (2.5.0) | com_content (2.5.0) | com_categories (2.5.0) | com_plugins (2.5.0) | com_redirect (2.5.0) | com_finder (2.5.0) | admintools (2.4.2) |

modules :: site :: mod_related_items (2.5.0) | mod_finder (2.5.0) | mod_random_image (2.5.0) | widgetkit twitter (1.0.0) | mod_articles_news (2.5.0) | mod_banners (2.5.0) | mod_footer (2.5.0) | mod_feed (2.5.0) | mod_whosonline (2.5.0) | mod_articles_latest (2.5.0) | mod_articles_categories (2.5.0) | mod_weblinks (2.5.0) | mod_articles_popular (2.5.0) | widgetkit (1.0.0) | mod_custom (2.5.0) | mod_stats (2.5.0) | mod_articles_category (2.5.0) | mod_articles_archive (2.5.0) | mod_search (2.5.0) | mod_menu (2.5.0) | mod_wrapper (2.5.0) | mod_breadcrumbs (2.5.0) | mod_users_latest (2.5.0) | mod_syndicate (2.5.0) | mod_login (2.5.0) | mod_languages (2.5.0) |
modules :: admin :: mod_status (2.5.0) | mod_logged (2.5.0) | mod_feed (2.5.0) | mod_multilangstatus (2.5.0) | mod_latest (2.5.0) | mod_submenu (2.5.0) | mod_popular (2.5.0) | mod_quickicon (2.5.0) | mod_custom (2.5.0) | mod_title (2.5.0) | mod_toolbar (2.5.0) | mod_menu (2.5.0) | mod_version (2.5.0) | mod_login (2.5.0) | admin tools joomla! upgrade no (rev33201b4) |

plugins :: site :: plg_user_profile (2.5.0) | plg_user_joomla (2.5.0) | plg_user_contactcreator (2.5.0) | plg_authentication_gmail (2.5.0) | plg_authentication_ldap (2.5.0) | plg_authentication_joomla (2.5.0) | plg_system_log (2.5.0) | system - widgetkit (1.0.0) | plg_system_remember (2.5.0) | system - widgetkit joomla (1.0.0) | plg_system_sef (2.5.0) | plg_system_cache (2.5.0) | plg_system_languagefilter (2.5.0) | plg_system_debug (2.5.0) | plg_system_redirect (2.5.0) | plg_system_logout (2.5.0) | system - widgetkit zoo (1.0.0) | plg_system_p3p (2.5.0) | plg_system_languagecode (2.5.0) | plg_system_highlight (2.5.0) | system - admin tools (2.4.2) | security - jhackguard (1.4.0) | plg_search_contacts (2.5.0) | plg_search_weblinks (2.5.0) | plg_search_content (2.5.0) | plg_search_categories (2.5.0) | plg_search_newsfeeds (2.5.0) | plg_quickicon_extensionupdate (2.5.0) | plg_quickicon_joomlaupdate (2.5.0) | plg_editors-xtd_pagebreak (2.5.0) | plg_editors-xtd_readmore (2.5.0) | plg_editors-xtd_image (2.5.0) | plg_editors-xtd_article (2.5.0) | plg_content_vote (2.5.0) | content - widgetkit (1.0.0) | plg_content_pagebreak (2.5.0) | plg_content_pagenavigation (2.5.0) | plg_content_loadmodule (2.5.0) | plg_content_joomla (2.5.0) | plg_content_emailcloak (2.5.0) | plg_content_finder (2.5.0) | plg_content_geshi (2.5.0) | plg_editors_codemirror (1.0) | plg_editors_tinymce (3.5.4.1) | plg_jmonitoring_akeebabackup_t (1.0) | plg_captcha_recaptcha (2.5.0) | plg_extension_joomla (2.5.0) | plg_finder_contacts (2.5.0) | plg_finder_weblinks (2.5.0) | plg_finder_content (2.5.0) | plg_finder_categories (2.5.0) | plg_finder_newsfeeds (2.5.0) |

templates discovered :: wrote:templates :: site :: beez_20 (2.5.0) | atomic (2.5.0) | beez5 (2.5.0) | yoo_subway (1.0.1) |
templates :: admin :: bluestork (2.5.0) | hathor (2.5.0) |

you don't seem using .htaccess file or not enabled.
the best instructions site recovery in @ top of forum viewtopic.php?f=621&t=582854

have checked jhackguard logs? security extension not replacement .htaccess.