How to run ex_ file by converting ex_ to exe file

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Recently I came across a new type of file format which is “ex_” instead of “exe“. First I tried executing it by simply renaming it from “filename.ex_” to “filename.exe” but it did not work that way. “ex_” is actually compressed form of “exe” files and they need to be expanded. The most suitable way is to use command line. Follow the given steps:

  • Open the command prompt by going to “Start->All Programs->Accessories->Run” and then type “cmd” in Run window. Run can also be opened by pressing “Windows button + r“
  • In the command prompt go to the folder where your file “filename.ex_” is stored. For ease I would suggest you to manually copy the file into C drive. Make a new folder named say “new“
  • If you are in different directory than C then type “cd ..” and press enter. Do it a couple of time until you are :C directory.
  • Now use the command: expand filename.ex_ c:newfilename.exe
  • This command may result in following error: EXPAND.EXE Error Msg: Can’t Open Output File
  • The reason is very simple. You might not have write permission for the “filename.ex_” or for the folder “new” or for both
  • Right click on the file/folder and select properties. If the “Read Only” box is checked, de-select it.
  • Now run the previous command again. Use the expanded file in .exe format wherever you want.

Questions and Suggestions are welcomed. Enjoy :)

Sources: Microsoft

How to download from Nokia Ovi Store to directly on computer?

By 21 Comments

So Nokia is up with its Ovi store to compete with Apple. There are a considerable number of applications available at Ovi Store to download but …yeah there is a but … You have to download(read install) it directly to your phone using Ovi application for Nokia. This may not seem a problem if you have good network speed on your phone (i.e. if you are connected to Wi-Fi or 3G connection) but it certainly is annoying if you are using GPRS/Edge services to connect to internet or if you want to save the application for future use.

Well, you don’t need to loose heart. Because there always are few tweaks available to counter it. The simplest way to download from Ovi store to your computer is a 2 step process:

1. Download application from Ovi Store to computer

2. Convert .sis.dm file to .sis file/ Convert the .jad file to .jar file

1. Download application from Ovi Store to computer: This part is pretty much straight forward. All you have to do is to click on the desired application. There is an option of “Send to friend”. Just click on that.

After clicking on it. Look into your browser address bar:

Replace “send-to-friend” by “download” and press enter. The file starts to download:

So, Finally you have successfully fooled Nokia and downloaded the application on your PC. But the problem “may” not end here. As you know the Nokia runs on Symbian OS and it uses .sis file. The application you have downloaded might be .sis.dm instead of .sis. (or .jad instead of .jar). So, our next step would be to convert these files into a suitable format.

 

2(a). Converting .sis.dm file to .sis file: This might seem a bit difficult but believe me it only seems, it is not at all difficult. To convert .sis.dm file, you first need to install a Hex Editor. You can download XVI32, the best Hex Editor available free. Unzip the file and run the XVI32 application. Open the desired .sis.dm file(you can also drag and drop into the software). It will look something like the pic below. Try to find the first “7A “ in the left panel.

Delete (using delete key) every other entry before 7A. Don’t delete 7A. :) Something like this:

Download from Ovi to Computer

Now a similar task. Use the scroll bar to go to the bottom of the file. Here look for first “-” of “–boundary–” (in the right panel). Delete from here till the end.

So. its final look will be like:

Now you can save this file as filename.sis. Your application is ready to use. Install it using Ovi Suite or copy it into your phone and then install it.

2(b). Convert .jad file to .jar file: If the downloaded file from Ovi store is .jad file, then it can easily be converted to .jar file. .jar file can then directly be installed on Nokia phones. The idea is that mostly .jad files contains the address of the .jar file inside it. So open the .jad file in a notepad or (preferably) notepad++. Look for the address inside it. Copy the address and paste it inside the web browser. Enter and .jar file is on your computer. :)

Enjoy Hacking Nokia Ovi Store. A word of thanks and questions are always welcomed.