📖 Tutorial Removing PairIP secondary background silent test post PairIP removal.

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Snailsoft

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This has come up several time now and rather than constantly repeating myself I decided to make this tutorial.

PairIP has two online methods of testing security, the primary and the secondary.
Many times the secondary protection is overlooked as it typically only triggers if the primary fails and no internet is detected.
Call it a booby trap.
As most devices today are glued to the internet, the booby trap doesn't go off.
If you are among those who have a firewall, use airplane mode, or in some other way block apps from wasting your bandwidth, surprise!

The fix is simple enough.
Keep in mind, this should only proceed the removal of the primary PairIP protection.

TOOLS:
These two Android modding apps are what I use.

MT

RegEx


STEPS:

Open MT and load your PairIP UNprotected apk.
As can be seen, NO protection is detected.
Select VIEW
Screenshot_20251212-041106.png

Select the first DEX file.
Screenshot_20251212-041211.png

Select Dex Editor Plus.
(If you have more than one DEX, a prompt will appear, select ALL.)
Screenshot_20251212-041256.png

As you can see, this is NOT a clean apk. Although PairIP protection is bypassed, a significant amount of its code remains.
We want to SEARCH that remaining code.
Screenshot_20251212-041416.png

Select SEARCH
Select, Start a new search
As we are going to perform a REGualr EXpression you need to check the RegEx box.
Screenshot_20251212-041631.png

Switch over to the RegEx app.
Select EXTRA PATCHES
Screenshot_20251212-035843.png

Select the PLAY STORE REDIRECTION BYPASS tool.
Screenshot_20251212-040054.png

Click on the COPY button for the Search
Screenshot_20251212-040204.png

Switch back to the DEX editor and PASTE the RegEx search value.
Select OK
Screenshot_20251212-041902.png

The search should reveal 1 or more results.
Now we want to replace that code.
Switch back to the RegEx tool and COPY the REPLACE code.
Switch back to the Dex Editor.
Select Replace in current results.
Screenshot_20251212-042028.png

PASTE the code on the REPLACE line and press OK
Screenshot_20251212-042143.png

A dialog box will appear showing how many changes were made.
Close this.
Screenshot_20251212-042308.png

Press the "back" arrow.
Screenshot_20251212-042430.png

Once the Search and Replace complete and you indicate you want to exit the app, you will be prompted to save the changes.

Screenshot_20251212-042550.png

CHECK the AUTO SIGN box and press OK
Screenshot_20251212-042649.png
Screenshot_20251212-042843.png

If you get this message, select NEVER SHOW
Screenshot_20251212-042920.png

You will notice the changed DEX file(s) in green.
Select the 3 dots in the upper right hand corner for the menu and select EXIT.
Screenshot_20251212-043013.png

The APK with the booby trap will be backed up, and the new APK without the booby trap is now ready.
Screenshot_20251212-043113.png

Using the two tools, far more could be done to clean up this APK, however, this tutorial is only about removing the left over PairIP secondary booby trap.
 

KasamiGi

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SB Mod Squad ⭐
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Member for 7 years

KasamiGi

Nivis Vonn Yureinzt
SB Mod Squad ⭐
✔ Approved Releaser
Member for 7 years
There was a lot of confusions, I thought the thing was in the smali file at first. Searching for it normally didn't got anything because the way I messed around with LP snapped the thing from existence.
Or maybe my editors just didn't pick it up because the classic file was gone after decompiling the damn thing :3
Hopefully I've got it correctly, question mark? Sorry for all the troubles øwø
 

secretbunker

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Excellent, very well produced set of instructions, @Snailsoft
Thank you for educating and/or informing me and other members of the community.

As my beloved mother would regularly say, "Each one, should teach one".
(y) :hattip: 💯
 
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