Felt like posting it.
1. Open the file, copy everything.
2. Go to
http://www.artlebedev.ru/tools/decoder/advanced/ (thanks Тёма.)
3. Paste in left field the gibberish.
4. Select ISO-8859-1 in left dropdown field, select CP-1251 in right dropdown.
5. Press "Расшифровать", the upper thingy with arrow pointing right.
6. Get Russian text, copy it and translate with Google.