Examination malpractice has become a global cankerworm that has eaten so deep into our educational system and posing a serious threat to total development of students in our educational system. In search of solution to this anti-educational behavior, experts have attributed it to many factors including peer influence on the assumption that birds of a feather flock together and on the axiom; ‘show me your friends and I will tell you who you are’. This study therefore examined the peer group influence and gender as correlates of Library and Information Science students’ attitude towards examination malpractice and it implication for all round development of students. The study applied a correctional research design with a population sample of 259 LIS randomly selected from seven public universities in Nigeria offering degree programs in library and Information Science. The study was guided by three research questions and hypotheses respectively while the principle instrument used to elicit responses from the respondents was a structured question on peer group and library and information science students’ attitude towards examination malpractice’ whereas, the data obtained were analyzed using Pearson Product Moment Correlation (PPMC) (Pearson r) which basically was used to establish the relationship between peer group influence and Library and Information Science students attitude towards examination malpractice. The outcome of this study revealed that library and information science students generally have negative attitude towards examination malpractice and frown at it. The result also shows that both male and female students’ attitude towards this canker-worm was same. In the end, it was recommended among others that parents, university management and heads of library schools should regularly organize school programs promoting healthy peer relationship and upholding students’ value of negative attitude towards examination malpractice as discovered by this study for all round development of students.