Virus Database

Saboteur.1391

Description Saboteur.1391

This is a dangerous stealth and polymorphic memory resident parasitic virus. The virus installs its TSR copy to the video memory, hooks INT 21h and writes itself to the end of COM files (except COMMAND.COM) that are accessed.
On the 13th of each month, the virus displays a message, plays some music and erases the CMOS memory. The message is:
This is SABOTEUR-beta version.(c)Black Angel 1995

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Invader.a

Description Invader.a

This is a dangerous memory resident virus. It infects COM and EXE files (except COMMAND.COM) in the same way as the "Jerusalem" virus does, and affects boot sectors of hard and floppy disks. On a floppy disk it formats an additional track, on the hard disk it writes itself just after the MBR. Depending on its internal counters the virus can execute a dummy cycle after each timer interrupt (INT 8), erase information on disks, tune a melody, decipher and display the following message:
by Invader, Feng Chia U., Warning: Don't run ACAD.EXE!
The virus also contains the text "ACAD.EXECOMMAND.COM.COM.EXE" and hooks INT 8, 9, 13h, 21h.

Invader.b

Description Invader.b

This is a dangerous memory resident virus. It infects COM and EXE files (except COMMAND.COM) in the same way as the "Jerusalem" virus does, and affects boot sectors of hard and floppy disks. On a floppy disk it formats an additional track, on the hard disk it writes itself just after the MBR. Depending on its internal counters the virus can execute a dummy cycle after each timer interrupt (INT 8), erase information on disks, tune a melody, decipher and display the following message:
by Invader, Feng Chia U., Warning: Don't run ACAD.EXE!
The virus also contains the text "ACAD.EXECOMMAND.COM.COM.EXE" and hooks INT 8, 9, 13h, 21h.

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