Sample viewer

vx.netlux.org/Virus.DOS.Nobock.440.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:54:59.201069701Z 42 PC: 13ebf | Get date 0x13ebf: sub cx, 0x76c
0x13ec3: mov ax, cx
0x13ec5: mov bx, cx
0x13ec7: call 0x23e90
0x13eca: cmp ax, word ptr [di + 0x9f5]
0x13ece: jae 0x13ee7
0x13ed0: add dh, 9
0x13ed3: cmp dh, 0xc
0x13ed6: jle 0x13edc
0x13ed8: sub dh, 0xc
0x13edb: inc bx
0x13edc: mov ax, bx
0x13ede: call 0x23e90
0x13ee1: mov word ptr [di + 0x9f5], ax
0x13ee5: jmp 0x13efb
0x13ee7: lea bx, word ptr [di + 0x9cf]
0x13eeb: mov dx, bx
0x13eed: mov cx, 0x26
0x13ef0: not byte ptr [bx]
0x13ef2: inc bx
2018-12-17T22:54:59.203222688Z 9 PC: 13ef9 | Display string (String= ' No Bock today Error, System halted!')