Jami` at-Tirmidhi Book 17, Hadith 5
"It has been narrated to me from Abu Salih, from Abu Hurairah, from the Prophet (ﷺ)," and it is similar.
(Another chain) for this Hadith.
That the Messenger of Allah (ﷺ) said: "Whoever relieves a Muslim of a burden from the burdens of the world, Allah will relieve him of a burden from the burdens of the Hereafter. And whoever covers (the faults of) a Muslim, Allah will cover (his faults) for him in the world and the Hereafter. And Allah is engaged in helping the worshipper as long as the worshipper is engaged in helping his brother."
That the Messenger of Allah (ﷺ) said: "The Muslim is the brother of the Muslim, he doesn't oppress him and doesn't put him into ruin, and whoever is concerned for the needs of his brother, Allah is concerned for his needs, and whoever relieves a Muslim of a burden, Allah will relieve him of a burden from the burdens of the Day of Judgement and whoever covers (the faults of) a Muslim, Allah will cover (his faults) on the Day of Judgement."