Adobe Encore traditionally supported several languages, but official Russian support was often limited to the interface if a specific localized installer was used.
If you do manage to install it from a legitimate backup, be aware of modern system limitations: Encore - Adobe Community skachat adobe encore cs6 rus
Adobe stopped sales of CS6 in 2017 and removed it from the Creative Cloud desktop app in May 2019. Adobe Encore traditionally supported several languages
Encore was never a standalone program; it was always installed as part of the Premiere Pro CS6 package. 2. Language Support skachat adobe encore cs6 rus