The sentencing date has been set for July 24.
After being arrested by Lithuanian authorities in March 2017, Rimasauskas was extradited to the US in August 2017.
Both the companies regularly conducted multimillion-dollar transactions with the Asian company.
He defrauded Facebook and Google of US$99m and US$23m respectively.
Rimasauskas has agreed to forfeit about $50m.
Speaking on the incident, both companies said they recovered all or most of the money.
Similarly, Google in a statement said: We detected this fraud and promptly alerted the authorities.
We recouped the funds, and were pleased this matter is resolved.
source: www.techworm.net