Sample viewer

vx.netlux.org/Virus.DOS.KbrBug.1720

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:39:03.606367106Z 48 PC: 13118 | Get DOS version
2018-12-17T22:39:03.608106562Z 42 PC: 13003 | Get date 0x13003: mov bx, word ptr cs:[di + 0x798]
0x13008: mov al, byte ptr cs:[di + 0x79a]
0x1300d: cmp dh, bh
0x1300f: jne 0x1301c
0x13011: add bl, 4
0x13014: add bl, al
0x13016: cmp bl, dl
0x13018: jb 0x1301c
0x1301a: xor dh, dh
0x1301c: ret
0x1301d: nop
0x1301e: xor ax, ax
0x13020: mov es, ax
0x13022: mov ax, word ptr es:[0x70]
0x13026: mov bx, word ptr es:[0x72]
0x1302b: mov word ptr cs:[di + 0x78a], ax
0x13030: mov word ptr cs:[di + 0x78c], bx
0x13035: mov ds, word ptr es:[0x2b2]
0x1303a: cmp byte ptr [0x100], 0xe9
0x1303f: jne 0x13047
2018-12-17T22:39:03.612276812Z 9 PC: 12ad3 | Display string (String= 'A virus infected program Hit any key to continue (without virus) ...')
2018-12-17T22:39:03.621470915Z 49 PC: 12b08 | Terminate and stay resident (Return code = '0' | Memory size = '25')