Break that link with wXw please, as long as site is not cleansed…

There are more vendors that flag your site: https://www.virustotal.com/en/url/47970dc18e498da336af3a7e366ec64ce55e98cb2f6d5e29c2f5c9e5e6adc37c/analysis/1371340510/
Your Joomla version needs upgrading, so you are vulnerable: Web application version:
Joomla Version 2.5.x - 3.0.x for: htxp://www.famg.org.ar//media/system/js/caption.js
IP is on PHISHWatch, not necessarily your domain…
Avast alert is an URL:Mal which is a general domain/IP block…
Code hick-up here:
[nothing detected] (script) wXw.famg.org.ar/modules/camera/js/jquery.easing.1.3.js
status: (referer=wXw.famg.org.ar/)saved 8097 bytes 82e40d060bc269a6dde20c3990ca5a4fea6ca754
info: [decodingLevel=0] found JavaScript
error: undefined variable jQuery
error: undefined variable jQuery.easing
error: line:1: SyntaxError: missing ; before statement:
error: line:1: var jQuery.easing = 1;
error: line:1: …^
suspicious: maxruntime exceeded 10 seconds (incomplete) 0 bytes

polonus