Threat Encyclopedia

Selected viruses, spyware, and other threats: sorted alphabetically

Brasil

Brasil is a memory resident boot virus. When the system is booted from an infected diskette the virus will decrease the amount of memory usable for DOS by 1 KB, it installs itself into memory and infects hard disk’s MBR . The virus will redirect the interrupt INT 13h to its code in memory and will try to infect all diskettes that are not write-protected.

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