Luv Virus is the first EP by South Korean girl group SKarf.

On May 19, it was revealed that Skarf would be making their comeback on May 28, 2013 with their first mini album after the member changes.

On May 31, 2013, the full music video was also uploaded onto the same YouTube channel and the EP was released on the same day.

The title track of the EP, Luv Virus and the third track Anymore is composed by Lee Ki and hitmaker Seo Young Bae, whom had composed Ailee's Heaven, Orange Caramel's Lipstick and also Skarf's My Love from their debut single.

The second song Bye Bye Bye is composed by Heo Sung Jin, fourth song Sunny Day is composed by Seo Jung Mo and the fifth song is composed by C.NO which had previously composed songs for NU'EST.