Virus Database

IR.469

Description IR.469

It is a harmless nonmemory resident parasitic virus. It searches for EXE files, then writes itself to the end of the file. The virus contains the ID-word "IR".

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Invader.Plastique.a

Description Invader.Plastique.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:
PLASTIQUE 5.21 (plastic bomb) Copyright (C) 1988-1990
by ABT Group (in association with Hammer LAB.)
WARNING: DON'T RUN ACAD.EXE!
The virus also contains the text "ACAD.EXECOMMAND.COM.COM.EXE" and hooks INT 8, 9, 13h, 21h.

Invisible.a

Description Invisible.a

This is a dangerous memory resident multipartite polymorphic virus. It hooks INT 13h, 1Ch, 21h and writes itself at the end of COM and EXE files. On execution of infected file it hits MBR of hard disk. The virus is polymorphic in MBR also. On loading from infected disk the virus infects the files. Depending on current date it overwrites the files by the program which on execution plays the tune and types the message:
I'm the invisible man,
I'm the invisible man,
Incredible how you can
See right through me.
I'm the invisible man,
I'm the invisible man,
It's criminal how I can
See right through you.
These viruses also contain the internal text:
The Invisible Man - Written in SALERNO (ITALY), October 1992. Dedicated to
Ester: I don't know either how or when, but I will hold you in my arms
again.

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