First responders said the three people killed were two women in their 60s and a man in his 40s. Two others were reportedly injured seriously and moderately, while another five suffered mild injuries.
The victims named are 42-year-old Ilya Nozadze, 24-year-old Revital Bronstein, 33-year-old Inbar Segev Vigdar, 40-year-old Nadia Sokolenko and 30-year-old Shahar Goldman.
Staff Sgt. Eliya Hilel and Staff Sgt. Diego Shvisha Harsaj, both 20 and from Tel Aviv, were struck near the entrance to the Jewish community of Itamar.
Amichai's disappearance on Friday morning had triggered a massive search effort, culminating in the grim discovery that sent shockwaves through the community.
The two adult victims were evacuated to Hadassah-Ein Kerem Medical Center in Jerusalem while the teen was being treated at Shaare Zedek Medical Center in the capital.