I remember the movie was about A group of friends teenagers pulled a prank on one of the girls in the group and somehow she ended up dying, after words of her death The spirit of her or something wanted to get revenge on all the people who were in the group so she handed every single one of them . I really forgot the name of this movie and I really need to know what it was .
Tamara (2005)?
“Forget Me Not”(2009)
http://www.imdb.com/title/tt1147684/
Aenigma (1987)? There’s a prank at the beginning: