Sample viewer

vx.netlux.org/Virus.DOS.BackFont.900

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:56:39.670478857Z 48 PC: 12c4f | Get DOS version
2018-12-17T22:56:39.673088844Z 195 PC: 12c5b | UNKNOWN!
2018-12-17T22:56:39.674974519Z 53 PC: 9f25f | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:56:39.676724189Z 37 PC: 9f26f | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:56:39.678779433Z 42 PC: 9f223 | Get date 0x9f223: cmp cx, word ptr [0x1e]
0x9f227: jb 0x9f239
0x9f229: ja 0x9f23e
0x9f22b: cmp dh, byte ptr [0x1d]
0x9f22f: jb 0x9f239
0x9f231: ja 0x9f23e
0x9f233: cmp dl, byte ptr [0x1c]
0x9f237: jae 0x9f23e
0x9f239: and byte ptr [0x39a], 0xfe
0x9f23e: add dh, 3
0x9f241: cmp dh, 0xc
0x9f244: jbe 0x9f24a
0x9f246: sub dh, 0xc
0x9f249: inc cx
0x9f24a: mov word ptr [0x1e], cx
0x9f24e: mov word ptr [0x1c], dx
0x9f252: ret
0x9f253: push cs
0x9f254: pop ds
0x9f255: mov byte ptr [0x39a], 1
2018-12-17T22:56:39.682519025Z 53 PC: 9f2a5 | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:56:39.684421792Z 37 PC: 9f2b5 | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:56:39.686335601Z 76 PC: 12c17 | Terminate with return code (Return code = '0')