Cool.929
Description Cool.929
It is not a dangerous memory resident parasitic virus. It hooks INT 8, 21h and writes itself to the end of EXE files that are executed. Depending on the system timer it displays some message, but this text is corrupted in my sample of the virus. The virus detects its TSR copy by INT 21h call with AX=0EADh, the TSR copy returns AX=C001h. This in only reason to name that virus.
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Brasil
Description Brasil
It's a dangerous memory resident virus. It infects Boot-sectors of the floppies and the MBR of the hard drive by the Stoned algorithm. This virus hooks INT 13h. Sometimes it decrypts and types "Brasil virus!" and then erases the hard drives sectors.
Bravo
Description Bravo
It's a dangerous memory resident boot virus. On loading from infected disk it copies itself into Interrupt Vectors Table and hooks INT 13h. Then it writes itself into boot sectors of floppy disks. MBR of hard drive is infected on loading from infected floppy. Depending on the system timer the virus overwrites the MBR with the string "Bravo".
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