"Until the issue is settled. Either in court or not in court, meaning restructuring," Jaresko told Ukraine's Delo newspaper, answering a question on how long the moratorium would last.
Ukraine owes Russia $3 billion in Eurobonds. The debt was secured in 2013 by the government of then-President Viktor Yanukovych. Moscow has repeatedly stated that Kiev's inability to pay back the debt by December 20 will mean a default.
Ukraine missed the deadline, and the Russian Finance Ministry announced that Ukraine had defaulted and that it was still expecting Kiev to fulfill in full its debt obligations until the expiration of the grace period on December 31.
Last week, Ukrainian Prime Minister Arseniy Yatsenyuk said Kiev had introduced a moratorium on the repayment of Ukraine's $3-billion loan to Russia.