Fifo.333
Description Fifo.333
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
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ASBV
Description ASBV
It is a very dangerous memory resident stealth boot virus. It hooks INT 9, 13h and writes itself to the MBR of the hard drive and the boot sector of the floppy disks. Depending on its counter that virus erases the sectors of the floppy disks. The virus intercepts warm reboot (Alt-Ctrl-Del) and tries to stay memory resident ever while loading from not infected disk. The virus contains the text strings:
I'm ASBV
No System!
ASCh.794
Description ASCh.794
It is not a dangerous memory resident parasitic virus. It hooks INT 9, 21h and writes itself to the end of EXE files that are executed. Depending on its internal counter the virus drops the letter on the screen and displays the message:
Remember about XT in world of PC
The virus also contains the text string:
AlphaVirus [06] Copyright (C)1995
AlphaSoft(Russia,St.Petersburg,ASCh,12/20/95
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