MiR also known as Yubileiny-2 and RS-40 was built by students and research staff of the Siberian State Aerospace University and launched on 28 July 2012.
It is understood signals from RS-40 on 435.365 MHz were first reported by Maik Hermenau on the AMSAT-DL mailing list.
Data received from RS-40 - http://www.pe0sat.vgnet.nl/2012/i-received-date-from-rs-40/
First signals from RS-40 - http://www.pe0sat.vgnet.nl/2012/first-signals-from-rs-40/
Yubileiny-2 (RS-40) - http://www.pe0sat.vgnet.nl/2012/yubileiny-2/
The website of Andy Thomas G0SFJ has information on the earlier Yubileiny-1 (RS-30) satellite - https://sites.google.com/site/andythomasorg/amateur-satellites/rs-30-yubileiny