Facebook's investigation said it had identified around 30 Facebook and 85 Instagram accounts linked to the suspect behavior.
Almost all of the Facebook pages linked to the accounts taken down were in Russian or French, whereas most of the Instagram accounts were posting in English.
"Typically, we would be further along with our analysis before announcing anything publicly", Facebook said.
USA prosecutors have accused the so-called troll farm in St. Petersburg and other Russian Federation operatives of seeking to influence the 2016 presidential election, including by spreading misinformation and sowing discord on social networks.
Cross Counter wins Australia's Melbourne Cup, Sport News & Top Stories
The Melbourne Cup is the race that "drives us all", the Youngstar jockey said. "This is all down to Sheik Mohammed". Before the race, The Cliffsofmoher was "sweating up", which can sometimes be an indication a horse is in distress.
A study published last week found that misinformation on social media in the days leading up to the November 6 midterm elections was spreading more rapidly than it did during the run-up to the 2016 presidential election.
On Saturday, Twitter had already confirmed that they deleted accounts, automatic writing of messages to discourage voters to go vote on Tuesday. It gave no number.
In August, the social network removed 600 Pages and accounts originating from Russian Federation and Iran for engaging in "inauthentic behaviour".
Among the publications targeted by the operation, there were such comments inflamed around the american president Donald Trump, the First british minister Theresa May and the appointment of controversial judge Brett Kavanaugh of the supreme Court of the United States. In September, Facebook set up a "war room" in its California headquarters dedicated to rooting out disinformation related to the midterms.
Twitter, meanwhile, has said it has identified more than 4,600 accounts and 10 million tweets, mostly affiliated with the Internet Research Agency, which was linked to foreign meddling in USA elections, including the presidential vote of 2016.
USA tech companies are stepping up security and efforts to fight disinformation campaigns to prevent online troublemakers from trying to divide voters and discredit democracy.