The Facebook, Instagram and Twitter accounts of Mohamed Salah went offline without warning a day after he posted a cryptic tweet.
It will be the fifth time Egypt stage the biennial showpiece of African football after 1959.
Mohamed Salah scored 44 goals in all competitions for Liverpool last season and has netted 13 times in the 2018/2019 campaign.
Mohamed Salah scored directly from corner for Egypt before going off injured in the match against Swaziland.
Cristiano Ronaldo, who like Lionel Messi is a five-time winner of the award.
Salem Aldawsari scored the winner as Saudi Arabia beat Egypt 2-1 in their final Group A match.
FIFA World Cup 2018, Highlights, Uruguay thrash Russia 3-0 at the Samara Arena, Russia, Saudi Arabia beat Egypt 2-1.
Saudi Arabia and Egypt, both eliminated, will play for pride in their final Group A clash at Volgograd Arena.
Saudi Arabia opened the tournament with a 5-0 loss to the Russians and have yet to score a goal this tournament.
Salah did net Egypt's first goal at a World Cup since 1990.
FIFA World Cup 2018, Highlights, Russia vs Egypt: Mohamed Salah scored but Russia beat Egypt 3-1
Mohamed Salah has been declared fit ahead of Egypt's crunch game against Russia and coach Hector Cuper is optimistic his star striker will play
Mohamed Salah will be the centre of attraction when Egypt meet Russia
Egypt will be hoping that Mohamed Salah can revive their World Cup campaign
Russia are coming off a rousing 5-0 opening match win over Saudi Arabia and are in prime position to qualify for the last 16 of a World Cup for the first time
Mohamed Salah returned to training but was spotted employing the help of three teammates pulling on his top.
Mohamed Salah was kept on the bench for Egypt vs Uruguay Group A match because the team did not want to risk further injury to the Liverpool star.