Name: Fifo.30 Category: Viruses Description: Details Fifo.300 This is a harmless memory-resident parasitic virus. It copies itself into Interrupt Vectors Table, hooks INT 21h and intercepts GetDiskSpace DOS function (AH=36h). When that function is executed, the virus searches for COM files, and writes itself to the beginning of the file. The virus contains the text string: *.COM FIFO