Virus Database

Cowboy.2483

Description Cowboy.2483

It is a very dangerous nonmemory resident parasitic virus. It searches for COM and EXE files, then writes itself to the end of the file. The virus does not infect the anti-virus programs and utilities: IBM*.*, NAV*.*, SCAN*.*, CLEAN*.*, F-PROT*.*, V*.*, FINDVIRU.*.
In February, on Thursday at 9:xx, 10:xx, 15:xx the virus erases the disk C: sectors. The virus contains the text string:
IBMNAVSCANCLEANF-PROTVFINDVIRU
*.* *.com *.exe
Have you ever danced with the devil under the pale moon light?
This program was written in the state of Texas(C) 1994-95 Dark Cow-boy

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KWZ.797

Description KWZ.797

It is not a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of .COM files (except COMMAND.COM) that are executed. It does not infect computers with BIOS identificator "01/15/8808/30/9006/06/9207/07/91". On 25th of each month it slows down computer and reboots it on MkDir DOS call. It alos contains the text string:
K WZ

Kyokushinkai

Description Kyokushinkai

It's a dangerous memory resident multipartite virus. On execution it infects MBR and installs itself into the memory. It hooks INT 12h, 13h, 1Ch, 21h and on execution of any program it searches for EXE-files and writes itself at their ends. It is stealth virus on accessing to infected MBR. Depending on system time it overwrites the disk sectors with the string:
+++++++ Kÿöküshïñkäï +++++++.- 39-mynrazCmeroizóJdanogewogninertuzoboogeintelóktáimapaN-OLYKaúysezrpuzoboogeúacaldainezcyºenzcedreS
[Note: some characters not displayable in HTML]

Kysia.1536
It's the variant of "Kyokushinkai" virus. This one hits first Boot-sector of hard drive. Depending on system time it displays the message:
(c) 1993 Kysia Software Co.
Your fucking PC is infected !
I'm formating your hard disk now.
I'm lucky.
FUCK'AM ALL
Bezplatna reklama kapeli ZOD ze Szczecina.

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