The aff navigator:
This information collected and displayed by the browser comes directly from the Google engine, This situation is the result of files infected with a virus, trojan or other malware that is on your website. How did this happen? It may be that a virus has attacked your files before they are transferred to the server, it may also be that a virus s spread to your hosting space via your infected or unsecured FTP client. How do I fix it? To remedy this situation, you should use Google Webmaster Tools to help you check your site for malware. Generally, the suspicious file is easily detectable (except for a bad surprise!). Have your FTP access code from the website Clean your computer and files on your website with an updated antivirus Transfer your cleaned up files to your website Follow the instructions on this page:
http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=163634
Prevention A few tips to protect yourself against these attacks: - Regularly update your Windows and browsers! - Always use an updated antivirus - Scan your computer regularly and remove malware! Some of them are able to disable your antivirus! - Another very simple method, a little bit restrictive, is not to save your login and password in your FTP client, it will prevent viruses from recovering your file access (often formatted in XML).