Sample viewer

vx.netlux.org/Virus.DOS.Jerusalem.1767

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:56:39.55427698Z 224 PC: 12acf | UNKNOWN!
2018-12-17T22:56:39.556530051Z 224 PC: 12b28 | UNKNOWN!
2018-12-17T22:56:39.558233642Z 74 PC: 12bb1 | Reallocate memory
2018-12-17T22:56:39.560233862Z 53 PC: 12bb6 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:56:39.562060506Z 37 PC: 12bc6 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:56:39.56428013Z 42 PC: 12bf0 | Get date 0x12bf0: mov byte ptr cs:[0x20], 0
0x12bf6: cmp cx, 0x7c3
0x12bfa: je 0x12c2c
0x12bfc: cmp al, 5
0x12bfe: jne 0x12c0d
0x12c00: cmp dl, 0xd
0x12c03: jne 0x12c0d
0x12c05: inc byte ptr cs:[0x20]
0x12c0a: jmp 0x12c2c
0x12c0c: nop
0x12c0d: mov ax, 0x3508
0x12c10: int 0x21
0x12c12: mov word ptr cs:[0x25], bx
0x12c17: mov word ptr cs:[0x27], es
0x12c1c: push cs
0x12c1d: pop ds
0x12c1e: mov word ptr [0x31], 0xffff
0x12c24: mov ax, 0x2508
0x12c27: mov dx, 0x20d
0x12c2a: int 0x21
2018-12-17T22:56:39.567117265Z 53 PC: 12c12 | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:56:39.568870243Z 37 PC: 12c2c | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:56:39.570755987Z 75 PC: 12c38 | Execute program
2018-12-17T22:56:39.589734738Z 9 PC: 13656 | Display string (String= 'Hello - Copyright S & S International, 1990 ')
2018-12-17T22:56:39.596610036Z 77 PC: 12c3c | Get program return code
2018-12-17T22:56:39.598294226Z 49 PC: 12c4a | Terminate and stay resident (Return code = '0' | Memory size = '125')