Definitions

VIRUS

virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic ...
a harmful or corrupting agency; "bigotry is a virus that must not be allowed to spread"; "the virus of jealousy is latent in everyone"
a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer; "a true virus cannot spread to another computer without human assistance"

Corruption

corruptness: lack of integrity or honesty (especially susceptibility to bribery); use of a position of trust for dishonest gain
putrescence: in a state of progressive putrefaction
decay of matter (as by rot or oxidation)
moral perversion; impairment of virtue and moral principles; "the luxury and corruption among the upper classes"; "moral degeneracy followed intellectual degeneration"; "its brothels, its opium parlors, its depravity"; "Rome had fallen into moral putrefaction"
destroying someone's (or some group's) honesty or loyalty; undermining moral integrity; "corruption of a minor"; "the big city's subversion of rural innocence"
inducement (as of a public official) by improper means (as bribery) to violate duty (as by commiting a felony); "he was held on charges of corruption and racketeering"

Mutating

To change the genetic material of a cell. The changes (mutations) can be harmful, beneficial, or have no effect.
A being who acquires a physical characteristic through exposure to a mutagenic agent such as certain chemicals or radiation. All superhumans who were not born with their superhuman powers are mutates.