anti trojan protection

Hello, dear developers.

May be I cought virus. But one day I found viruses on my sites. Some index.php and index.html files in parent folders (and folders 1 level folowing) was changed. It consists of viruses strings at the end of file. But I repeat, may be it is my fault (although I used NOD32 and now using Dr.Web).

What can you say about trojan programs wich let to steal passwords. I live in Russia and in russian-language sites a found a lot of trojan tools, look

1. ... l=ru&tl=en

2. ... l=ru&tl=en

Hello ..

Trojans usually do not come through the FTP client.

My recommendation is to install a good antivirus software. e.g. Nod32