Related Clues:

• Leech, e.g
• Email attachment attachment?
• Tops vital information rebutted by you and me in Trojan Horse
• Bad strain?
• Bait, often
• Game produced in volume is a horror on computer
• Annelid
• What may kill your computer - see one run unserviceable
• One infecting human, computer
• Screw thread; maggot
• Harmful computer code
• Infective particle
• Infection viscount's got in game
• Morality half rejected by American agent with bad influence
• Diet here restricted; it's contemptible