Russia's ruble and stocks fell to multi-month lows on Friday on risk aversion and falling oil prices.

The official exchange rate of ruble for Saturday and Sunday settlement fell to 31.25 per dollar and 39.75 per euro.

During the Friday session, ruble once touched a minimum price of 31.47 per dollar since January 2012 but later recovered and ended at 31.25.

Bi-currency basket grew to 35.07 rubles as of 1445 GMT, when trading operations at Moscow Interbank Currency Exchanged (MICEX) was adjourned until Monday.

Thus, the Russian currency has continued its downward slide following the downward trend of the Brent crude, which slipped below 107 dollars per barrel Friday.

Russian stocks plunged in Friday's volatile session on slipping oil prices and European fears.

The Russian Trading System (RTS) index, which plunged 4.40 percent to 1,373.82 points Thursday, narrowed the gap but continued falling by 1.82 percent to 1,289.46 points.

During the day, the MICEX index also lost 1.27 percent to 1,271. 48 points. The index once fell by 3 percent to its lowest since October 2011, touching a psychologically important support level of 1,250 points, due to the news about international rating agencies lowering Greek and Spanish banks' ratings.