Abraxas.1170
Description Abraxas.1170
These are not memory resident dangerous viruses. They search for the first .EXE-files of current and parent directories and overwrite the files are found. They also create and overwrite C:DOSDOSSHELL.COM file. On execution they sound by internal speaker and display the picture:
##########################################################################
# #
# ###### ####### ####### ###### ### ### ###### ###### #
# ### ### ### ### ### ### ### ### ###### ### ### ### #
# ######## ####### ####### ######## #### ######## ###### #
# ### ### ### ### ### ### ### ### ###### ### ### ### #
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They contain the internal text strings also:
*.exe c:dosdosshell.com .. MS-DOS (c)1992 ->>ABRAXAS-5<<--
allFor he is not of this day
...Nor he of this mind
Check other viruses! Be aware! Use Antiviral Software
Havoc (Stealth_Boot) Family
Description Havoc (Stealth_Boot) Family
These are memory resident stealth boot viruses. On loading from infected floppy they write themselves into MBR of hard drive. Then they hook INT 13h and hit floppy disks on reading from them. They infect floppies by "Brain" algorithm.
Depending on the system timer "Havoc.a,b" erase the disk sectors. "Havoc.Amse" is the harmless virus, it does not manifest itself. "Havoc.Alfredo" decrypts the text strings and outputs them to the printer:
LIMA - PERU
(c) Laboratorio Luz de Luna
ANGEL X TE SALUDA
The viruses contain the internal text strings:
"Havoc.a": The HAVOC Virus
"Havoc.b": The Havoc ][ Virus
"Havoc.Alfredo": ALFREDO
"Havoc.Amse": AMSESLIFVASRORIMESAEP
HDKiller
Description HDKiller
It's a dangerous memory resident boot virus. It hooks INT 13h, 1Ch and writes itself into MBR of hard drive and boot sectors of floppies. One year after infection it overwrites the disk sectors with the string:
HDKiller By Rasek.0UT Meiln!
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