Sample viewer

vx.netlux.org/Virus.DOS.Jerusalem.1807

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:30:26.64777085Z 229 PC: 12ada | UNKNOWN!
2018-12-17T22:30:26.649427085Z 229 PC: 12b2e | UNKNOWN!
2018-12-17T22:30:26.651420686Z 74 PC: 12bb3 | Reallocate memory
2018-12-17T22:30:26.653284724Z 53 PC: 12bb8 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:30:26.654969747Z 37 PC: 12bcc | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:30:26.657411205Z 42 PC: 12bfc | Get date 0x12bfc: mov byte ptr cs:[0x12], 0
0x12c02: cmp cx, 0x7c5
0x12c06: je 0x12c38
0x12c08: cmp al, 2
0x12c0a: jne 0x12c19
0x12c0c: cmp dl, 0xd
0x12c0f: jne 0x12c19
0x12c11: inc byte ptr cs:[0x12]
0x12c16: jmp 0x12c38
0x12c18: nop
0x12c19: mov ax, 0x3508
0x12c1c: int 0x21
0x12c1e: mov word ptr cs:[0x17], bx
0x12c23: mov word ptr cs:[0x19], es
0x12c28: push cs
0x12c29: pop ds
0x12c2a: mov word ptr [0x23], 0x7e90
0x12c30: mov ax, 0x2508
0x12c33: mov dx, 0x21f
0x12c36: int 0x21
2018-12-17T22:30:26.660201283Z 53 PC: 12c1e | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:30:26.661925156Z 37 PC: 12c38 | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:30:26.66457017Z 75 PC: 12c44 | Execute program
2018-12-17T22:30:26.68066836Z 9 PC: 13686 | Display string (String= 'Hello - Copyright S & S International, 1990 ')
2018-12-17T22:30:26.687581128Z 73 PC: 12c4a | Release memory
2018-12-17T22:30:26.692505405Z 77 PC: 12c4e | Get program return code
2018-12-17T22:30:26.694221813Z 49 PC: 12c5c | Terminate and stay resident (Return code = '0' | Memory size = '112')