software cracking make your own cracker and patcher
What you need to do now is use dUP 2 to find where is the location/offset that the crack patch.
1. Download dUP 2 from the link at the end of this article, extract and run dup2.exe
2. Click New Project button located at the right side of the dUP 2, and click Save button on Patch Info window.
3. Click Add button, select Offset Patch and click OK.
4. You will notice that [Offset Patch] will appear at the main (Patch Data) window.
Double click on [Offset Patch] and you’re now in Offset Patchdata window.
5. Load original file and patched file by clicking the “…” button at the Compare Files area and click Compare button. Remember, the original file is always the one with .bak or .old extension at the programs folder.
Now you’ll know where the RAW Offset being changed with what byte.
6. Open up the original file(raycalc.exe.bak) with a hex editor. You can use Cygnus Hex Editor which is free.
7. Press CTRL+G, enter the RAW Offset that you see from dUP2. Select Hexadecimal and click OK. You’re now at the offset where the crack patches.
IF the programmer did not update the registration security protection, the old version raycalc.exe.bak data to crack is the same as the updated raycalc2.3.exe. Now, look for noticeable data around the data where the crack is suppose to patch. For me, I see “hkJGHRF*&(&$KLJSDFLKJ“. Do NOT find something like “.U..E….” because it’s confusing and tough to identify.
8. Use your mouse to select the data, right click and copy.
9. Open raycalc2.3.exe in hex editor, press CTRL+F to bring out the Find box and paste the data by pressing CTRL+V. Try to find the data to patch by referring the old raycalc.exe.bak. I found mine which is the exact same data.
10. In dUP2, I can see that the old byte 74 and 14 is being replaced with 90 and 90.
Go back to Hex Editor, change the data 74 14 to 90 90 for raycalc2.3.exe and save it.
Voila! It works! I’ve just cracked the latest updated program based on the previous crack. With dUP2, I can also create my own patcher for the latest updated RayCalculator version 2.3 program.
click here to download DUP2
1. Download dUP 2 from the link at the end of this article, extract and run dup2.exe
2. Click New Project button located at the right side of the dUP 2, and click Save button on Patch Info window.
3. Click Add button, select Offset Patch and click OK.
4. You will notice that [Offset Patch] will appear at the main (Patch Data) window.
Double click on [Offset Patch] and you’re now in Offset Patchdata window.
5. Load original file and patched file by clicking the “…” button at the Compare Files area and click Compare button. Remember, the original file is always the one with .bak or .old extension at the programs folder.
Now you’ll know where the RAW Offset being changed with what byte.
6. Open up the original file(raycalc.exe.bak) with a hex editor. You can use Cygnus Hex Editor which is free.
7. Press CTRL+G, enter the RAW Offset that you see from dUP2. Select Hexadecimal and click OK. You’re now at the offset where the crack patches.
IF the programmer did not update the registration security protection, the old version raycalc.exe.bak data to crack is the same as the updated raycalc2.3.exe. Now, look for noticeable data around the data where the crack is suppose to patch. For me, I see “hkJGHRF*&(&$KLJSDFLKJ“. Do NOT find something like “.U..E….” because it’s confusing and tough to identify.
8. Use your mouse to select the data, right click and copy.
9. Open raycalc2.3.exe in hex editor, press CTRL+F to bring out the Find box and paste the data by pressing CTRL+V. Try to find the data to patch by referring the old raycalc.exe.bak. I found mine which is the exact same data.
10. In dUP2, I can see that the old byte 74 and 14 is being replaced with 90 and 90.
Go back to Hex Editor, change the data 74 14 to 90 90 for raycalc2.3.exe and save it.
Voila! It works! I’ve just cracked the latest updated program based on the previous crack. With dUP2, I can also create my own patcher for the latest updated RayCalculator version 2.3 program.
click here to download DUP2
Posted by Ravikant at
4:21 PM
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