1. Dadof5kids0756's Avatar
    I posted the following on another person's feed asking the same question (I'm hoping a broader and new audience help me find an answer to this):

    While browsing my phone I found a file called Jason.html that is fairly large, but I have no idea the reason behind it. Does anyone?
    I don't know either. I found basically what looks like the same file on my device. Also called "Jason.html". I have not been able to find an answer as to what the hell this file is. Have you found an answer yet? Does anyone else know what this file is? Also, I found on another site for Android questions, I found the same question. In that posted question, the person also posted a link to a copy of the "jason.html" file on his device. I will do the same, though for fear that it is a file that is either a virus or malware or has recorded value entries that someone with know-how could possibly read. From the research I've done so far I think it might be some kind of JSON (JavaScript) or API file, but I have no idea, though. However, the "Jason.html" file on my device nor the file on the link I referenced, that I will share at the end of this, do not look too be the same kind of language. In the file from the link I found and in my file on my device, there are several references to "WhatsApp". I did not find an answer yet from WhatsApp's website. I have a possible guess, though, from researching about the app. Since, April of 2016, WhatsApp rolled out 256bit total end-to-end encryption. I'm wondering if this Jason.html file is somehow associated with that. If so, would the person who shared the link to a copy if their file, be sharing their encryption key to WhatsApp? Here is the link to the other post I found:

    file - Forums - CNET

    So, have you or anyone else with this issue been able to ascertain a definitive and easily understandable answer to this question (layman terms, please)?

    Or can anyone else knowledgeable please provide a detailed layman's answer and explanation?

    Otherwise, I can only think that to feel safe and secure about this will be too again do a hard, factory system total wipe off both my phone and sdcard, or buy a new sdcard, and then do the factory reset to my phone and have my phone also wipe the new sdcard. Then check the completely reset for the file, to see if it's there. If not, then i will encrypt my phone before installing any new apps. And then, I'd have to install every app I want, one at a time, and then check for the file to see, after downloading each individual app, of the jadon.html file shows up. If it shows up after just doing the factory system wipe/reset and then reboot, then I'd have to assume it's some kind of system file and/or function. But if rather get a definitive answer and not have to go through the trouble. I'm going to keep researching till I find a definitive answer. I'll be contacting my service provider, the maker my phone, and Google, for an answer (every app I've downloaded came from the google play store and any app on the play store is supposed to be safe and have gone through rigorous testing before being allowed to be added to the play store).

    Again, can someone please, help those of us with this issue seeking a definitive, knowledgeable, easy to understand answer?

    Also, the jason.html file is not in a specific folder but can be found in the main phone, emulated, and mass storage (sdcard) locations on my device. I have a ZTE Lever Z936L, with Android 5.1 Lollypop. (Side question, I'm also interested in how to root my device, as well, to further protect my device with firewall, etc. But before, (I will and would recommend doing the following), before routing my device or the above system wipe steps, I will backup all files on my device both in a couple color storages, and on a security and virus protected folder on my computer (or on yours).

    We are frustrated at the lack of answers online.

    Please & Thanks. And thanks for reading all this.
    07-20-2016 12:16 PM
  2. the tall guy's Avatar
    Have you tried to just delete the file?
    07-26-2016 08:02 AM
  3. TJA3500's Avatar
    This is the only thing I could find on that file.
    https://en.m.wikipedia.org/wiki/Jaso...ment_platform)
    07-26-2016 08:36 AM
  4. Nuksta's Avatar
    This file first turned up for me after a factory reset. I had been playing around with different launchers.
    It appears to be ongoing, as I first noticed it a few days ago, and it had been modified within the previous few minutes. Now tonight, I look at it again, and it has been modified within the last few minutes.
    It must be attached to an app. Mine too has a lot of whatsapp entries, and I haven't had whatsapp on my phone since two factory resets ago!
    08-24-2016 12:17 PM
  5. Zorkagh's Avatar
    This file first turned up for me after a factory reset. I had been playing around with different launchers.
    It appears to be ongoing, as I first noticed it a few days ago, and it had been modified within the previous few minutes. Now tonight, I look at it again, and it has been modified within the last few minutes.
    It must be attached to an app. Mine too has a lot of whatsapp entries, and I haven't had whatsapp on my phone since two factory resets ago!
    I noticed the file tonight and found this thread. No amount of deleting would clear it.
    I uninstalled CM Launcher and the Jason.html went too.
    Not sure if the file is sinister but CM Launcher was too ad laden for me anyway.
    Hope this helps
    09-20-2016 06:19 PM

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