Movie title Please

Anyone who know the title of this movie? I’ll just post a small detail I can remember.
Set in Russia I think inside abandoned building. Friends went inside and started exploring until they encounter a symbol painted on the wall that makes anyone who looked at it crazy. They had to gouge their eyes to remove the effect since they are becoming like possessed. Movie ended where Police found a camera that has a record of the symbol and they got infected as well.

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