-- card: 10619 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 2783 -- name: nVIR Virus Operation -- part contents for background part 10 ----- text ----- nVIR Virus Operation -- part contents for background part 12 ----- text ----- nVIR Virus nVIR Virus Resources nVIR Virus Removal -- part contents for background part 2 ----- text ----- The virus uses a two–stage attack on a Macintosh. In the first stage, the virus copies the resources into the System. In the second stage the virus infects applications. When an application is infected the virus changes the CODE 0 resource to jump to the CODE 256 resource before returning to the application’s code. -- part contents for background part 11 ----- text ----- A symptom of the virus is occasionally on starting an application a beep will sound. If MacInTalk is installed, the virus will cause the Mac to say “Don’t Panic!” rather than beeping.