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.
Check other viruses! Be aware! Use Antiviral Software
Shel.983
Description Shel.983
It is a harmless memory resident encrypted parasitic virus. It hooks INT 21h and intercepts DOS calls Execute and ChangeDir. When such calls are performed, the virus searches for COM- and EXE- files, then writes itself to the end of the file. The virus does not infect the files: AI*.*, WP*.*, HI*.*, DO*.*, or KR*.*.
The virus contains the internal text string:
(?) Shel,NSTU,1994,v3.1
*.exe *.com
Sh
Shengli.1024
Description Shengli.1024
It is not a dangerous memory resident parasitic virus. It writes itself to the end of .COM and .EXE files. When and infected file is executed, the virus hooks INT 21h, infects the C:COMMAND.COM file, returns the control to the host program and then infects the files that are executed. On September 16th it displays the message and halts the computer:
Happy birthday to you
-SHENGLI OIL FIELD TXC
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