Here's a link to a page for European spiders that may be more useful...
orb weavers...
http://ednieuw.home.xs4all.nl/Spiders/Araneidae/Araneidae.htm
Also, this could possibly be a sheetweb spider...
http://ednieuw.home.xs4all.nl/Spiders/Linyphiidae/Linyphiidae.htm
While I don't know much about Russian species, this bears resemblance to a Furrow spider, family Larinioides. If it's a similar species this is likely a young one. Can't really tell if the webbing is orb shaped though.
Here's a link to info on the U.S. furrow spiders...
http://bugguide.net/node/view/33791
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