00454D8D B8 30 4F 45 00          mov     eax, offset aStub_exe         
00454D92 E8 F5 3D FB FF          call    FileExists
00454D97 3C 01                   cmp     al, 1
00454D99 74 0C                   jz      short stub_exists      //stub.exe существует, если al = 1
00454D9B A1 A4 70 45 00          mov     eax, ds:off_4570A4
00454DA0 8B 00                   mov     eax, [eax]
00454DA2 E8 55 CD FF FF          call    TerminateProcess
00454DA7                   stub_exists: