You mean a Russian translation of avast?
avast! 4.1 Home/Pro now speaks ten languages - English, Czech, German, Spanish, Italian, Dutch, Hungarian, Polish, Portuguese (Brazil) and Japanese!

I think it is a Russian translation on the way but I’m not sure, you must ask Igor about this…

Some related links:
http://forum.avast.com/index.php?board=2;action=display;threadid=3599;start=msg25883#msg25883
http://forum.avast.com/index.php?board=2;action=display;threadid=3501;start=msg25171#msg25171
http://forum.avast.com/index.php?board=2;action=display;threadid=1390;start=msg7936#msg7936