Virus Database

Murderer.3670

Description Murderer.3670

It is a dangerous memory resident parasitic virus. It hooks INT 5, 8, 13h, 17h, 21h. On DOS calls CloseFile it searches and infects .COM and .EXE files. It writes itself to the beginning of .COM files, .EXE files are infected by companion manner.
That virus erases the disk sectors. On July, 3rd it displays the messages and plays a tune, the virus also prints the text:
To the human:
The emperor of darkness "Satan" has came back from hell, and he will destroy
the world, all human will be take to the horrendous darkness. But one man who
can fight with Satan, "Son of brightness" has born. He will lead us to fight
with Satan, and kick him back to the hell. So, hurry up, go to Taiwan to find
our rescuer ==> Chinq-shyang Lay. << All augur >>

It also contains the text strings:
<<< MURDERER Version 1.44 >>>
IBMBIO.COM
IBMDOS.COM
COMMAND.COM
SHEAU-YN.LIN
Bad command or file name

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Gad-Fly Family

Description Gad-Fly Family

These are dangerous memory resident parasitic viruses. They hook INT 21h and write themselves to the middle of the COMMAND.COM file when the system is executing or opening that file. The viruses contain the internal text strings:
"Gad-Fly.629": Gad-fly
"Gad-Fly.646": The Revenger

Gad-Fly.629
While installing into the system memory, or while opening *.CAL or *.PRG files, and depending on the system timer the virus hooks INT 10h and upper-cases the symbols that are displayed. The virus also may delete the *.CAL and *.PRG files.
Gad-Fly.646
Depending on its counter and the system timer that virus erases the disk sectors.

Galeocerdo.600

Description Galeocerdo.600

This is a relatively harmless non-memory resident parasitic virus. It searches for COM-files and writes itself to their end. It searches and infects the files that are of internal COM-format, but with a .EXE file name extension, these files are infected in the same way as .COM-files. It adds 100 to the year value of the system date. On Thursdays, it corrupts the system BIOS data. It contains the following internal text string:
Victim of Galeocerdo cuvieri

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