流氓軟件

malware (computing)

to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade

rogue / hoodlum / gangster / immoral behavior

see 流氓[liu2 mang2]

common people

soft / flexible

(computer) software

item / component / classifier for events, things, clothes etc