Sample viewer

vx.netlux.org/Virus.DOS.Jerusalem.2000.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:04:24.769905008Z 224 PC: 12a4f | UNKNOWN!
2018-12-17T23:04:24.772145235Z 224 PC: 12aa3 | UNKNOWN!
2018-12-17T23:04:24.773672989Z 74 PC: 12b27 | Reallocate memory
2018-12-17T23:04:24.775707456Z 53 PC: 12b2c | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:04:24.777502108Z 37 PC: 12b40 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:04:24.780094934Z 42 PC: 12b70 | Get date 0x12b70: mov byte ptr cs:[0x56d], 0
0x12b76: nop
0x12b77: cmp cx, 0x7c3
0x12b7b: je 0x12bac
0x12b7d: cmp al, 5
0x12b7f: jne 0x12b8d
0x12b81: cmp dl, 0xd
0x12b84: jne 0x12b8d
0x12b86: inc byte ptr cs:[0x56d]
0x12b8b: jmp 0x12bac
0x12b8d: mov ax, 0x3508
0x12b90: int 0x21
0x12b92: mov word ptr cs:[0x572], bx
0x12b97: mov word ptr cs:[0x574], es
0x12b9c: push cs
0x12b9d: pop ds
0x12b9e: mov word ptr [0x57e], 0xffff
0x12ba4: mov ax, 0x2508
0x12ba7: mov dx, 0x193
0x12baa: int 0x21
2018-12-17T23:04:24.783057506Z 53 PC: 12b92 | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T23:04:24.78491847Z 37 PC: 12bac | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T23:04:24.787796159Z 75 PC: 12bb8 | Execute program
2018-12-17T23:04:24.807415019Z 9 PC: 13415 | Display string (String= '')
2018-12-17T23:04:24.810137141Z 9 PC: 1341c | Display string (Could not find end pointer)
2018-12-17T23:04:24.82433273Z 76 PC: 13432 | Terminate with return code (Return code = '0')
2018-12-17T23:04:24.82838547Z 73 PC: 12bbe | Release memory
2018-12-17T23:04:24.8301241Z 77 PC: 12bc2 | Get program return code
2018-12-17T23:04:24.841392954Z 49 PC: 12bd0 | Terminate and stay resident (Return code = '0' | Memory size = '112')