11-06-2016 05:43 AM
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  1. AC Question's Avatar
    Hello Folks!

    Yesterday, I installed 360 security from google play and ran the scan. It detected a malware called 'Demo stub' and when i gave the fix command, it said that root access is required for this. Now here are my questions:
    1, Could it be possible that it was a false detection as in this case?(I have an s4 I bought from T-mobile)
    Sophos scan on Android phone shows threat but won'... - SophosTalk community
    2, If it a malware, how do i remove this? I would prefer not to gain root access as I will loose my samsung warranty.

    Appreciate your help folks

    06-17-2014 10:07 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! I don't have a definite answer for you, but the term "Demo Stub" makes it sound like it's a remnant of the original Demo app that was used when the phone was on display. It may be that when the phone is prepared for actual sale, the Demo app is uninstalled, but it still leaves behind a nonfunctioning "stub." It could be similar to what happened to Google Currents. When Google Newsstand came out, there was an update to Currents that stripped it down to a small app that only tells the user to use Newsstand, so it became a kind of stub.

    If this is the case, then Norton is likely giving you a false positive.
    06-17-2014 11:03 PM
  3. gojoni's Avatar
    I received the same notice using 360. Norton does not find the demo stub trojan.

    I have used 360 for a while now, and the demo stub trojan popped up yesterday. Interested in following this thread to find out how to deal with it.
    06-18-2014 03:06 AM
  4. LizzyJones13's Avatar
    I got the same message about the virus and my maleware app can't find it nor lookout or zoner..thinking of just uninstalling 360...anyone else have tjis this issue? Im not willing to root my phone..
    06-18-2014 05:32 PM
  5. duchark's Avatar
    360 Security reported the same warning on my LG G2 phone yesterday after a scan. I performed a factory reset on my phone and a re-scan using 360 Security initially reported no threats. A little while later it reported the "Demo Stub" trojan was back.

    I have done some research and the "Demo Stub" supposedly comes from a company called customermobile.


    This company creates Demos for Phone retailers and OEMS and has a couple of apps in google Play store.


    I installed the TMUSDEMO LG Optimus L90 app to see what would happen and Avast Antivirus immediately flagged it as malware.

    It appears that warnings may be false positives but I would like to know for certain. I'm hoping someone might be able to offer more information on this thread.
    06-18-2014 05:47 PM
  6. Stephenfold's Avatar
    Created my account just to join in here. 360 was scanning fine for about a month, then bam, tonight it finds Demo Stub. As I'm rooted, I just had it delete the stub and now we're running fine. Just wanted to share as any information may help!

    Edit: I'm also running Sophos, but I don't think it OR 360 are scheduled for auto-scans.
    duchark likes this.
    06-19-2014 04:32 AM
  7. John-Michael Vidaurri's Avatar
    I have the same thing happen to me. I think is something wrong with 360. The reason i say this is that ive download three different apps to take care of this issue and it doesn't show up on any of them. I call bull.
    06-19-2014 04:37 AM
  8. Huik123's Avatar
    Yes. I also Have a Samsung galaxy S4 from t mobile.
    360 was working like a charm for me also for months until 2 days before it discovered this Demo Stub Trojan and started giving the msg, please give root level access or re-flash your ROM.
    I didn't wanted to do either.
    So I installed almost all the other Antivirus software just to double check.
    I installed Avira, Norton, Mcafee, KasperSky, Comodo, AVG, AVAST, CM Security, Lookout
    and none of them was able to find this.
    the joke was that comodo found 360 as a malware..
    after doing all this I think its not a virus.

    but still I am interested in knowing what 360 and other forum members have to say about it
    duchark likes this.
    06-19-2014 08:52 AM
  9. NikitaBananaFanna's Avatar
    Hi. My husband and I both received this the message of having the "Demo Stub" Malware today after scanning our devices through 360. He seen his first and I went to scan mine and there it was! Neither of us are up to rooting or flashing. I think it's something up with 360 because I have a Samsung GS4 and he has an LG Flex. We run totally different apps... I went as far as to install other Anti Virus/Anti Malware apps and none of them detected any Malware or malicious activity. I uninstalled 360 for now. I plan to give it another try in maybe a month or so to see if the developer has worked out this issue. I'm very surprised to see others having the same problem right around the same time! Makes me think it's definitely a developer issue! If anyone figures something out, please share!
    06-19-2014 03:04 PM
  10. billyrub's Avatar
    I also noticed it yesterday. I have been running 360 fir about 4 months now as well as Malwarebytes. I have been running Malwarebytes for years on my computers and trust it 110%. I think there may be a problem with 360. I had false reading from 360 a few months back on a factory installed program on my phone and it finally went away after a couple of weeks
    06-20-2014 11:30 AM
  11. djameshedges's Avatar
    I have started receiving this same message from Kaspersky tablet security running on Galaxy Note 3. Also would rather not root to delete, but now that two different softwares are detecting as theat, am a little more concerned.
    06-20-2014 03:10 PM
  12. heyeveryone's Avatar
    same thing happened to me this morning,I installed dr web and agv,both said I was fine,went into system apps,disabled a all called demostub still the same warning?
    06-20-2014 07:24 PM
  13. dmr1994's Avatar
    I had this problem this morning too. Read here that I shouldnt really worry bout it, so I didnt.

    8 hours later after not doing anything, 360 security doesnt pick up the trojan demo stubs anymore. Really think it was a false positive guys. Hope im right
    06-20-2014 09:37 PM
  14. ace74106's Avatar
    I have a galaxy note 3 and started having the same issue with 360 after a few months also. I went into my apps and it shows android demo. Clear the cache and then re-scan with 360 it should show working normal.
    06-21-2014 08:30 AM
  15. ace74106's Avatar
    Forgive me it shows demo stub in the all apps tab. Clear the cache in demo stub.
    06-21-2014 08:40 AM
  16. heyeveryone's Avatar
    I just downloaded the stubborn trojan killer app from cm security,and it says I have no viruses? but 360 says I have a trojan,very odd?
    06-21-2014 03:43 PM
  17. gtgillooly's Avatar
    Note3, same issue. Went to settings, application manager, "all" tab, and found demo stub. Cleared cache, re-ran 360 scan and still get malware demo stub Trojan error. Restarted, and no change. Will continue to watch thread for updates.
    06-21-2014 04:08 PM
  18. pinkbun's Avatar
    demo stub does exist.. I've gone into "Application manager" and disabled it. I have not rooted my device, so, i have no idea whether or not it can be removed. There seems to be no adverse effect to my device, so I'm also believing it serves no real purpose.
    06-21-2014 04:19 PM
  19. Stephenfold's Avatar
    As it seems I'm one of the pioneers of giving 360 root and letting it delete Demo Stub (I'm on an s4 by the way) I'd just like to point out I did this on...Whenever my last post in this thread was, and I have yet to see it in another scan, or experience any operational problems with my phone.
    duchark likes this.
    06-24-2014 04:06 AM
  20. Everton Moulton's Avatar
    What user ace74106 stated was very helpful as I also had the same issue. A few other users also added some helpful info that didn't include rooting device.
    06-30-2014 02:20 AM
  21. Undenied's Avatar
    Hi guys. I think the only way to get rid of it is... get rid of it. I'm rooted and even I can't uninstalled or delete it, only disabled.

    I used ES File Explorer, turned on "Show hidden files" just in case, and then just did a search for it.
    Here's a screenshot:

    Malware Removal-2014-07-05-02-34-15.jpg

    If anyone finds a way to delete it, that would rock.

    EDIT: Titanuim Backup Root did the trick, it's easy to uninstall it. It'll warn you that it's tied of the ROM but there's no issues after deletion.
    Stephenfold likes this.
    07-05-2014 04:54 AM
  22. Irene74's Avatar
    Same thing here with 360 and S4... follow to see if a solution come out. thanks
    07-09-2014 10:34 AM
  23. Jayant Nagavkar's Avatar
    Hi guys yesterday I brought a I slide tablet and installed 360 security .After the first scan I got a message malware detected and root privileges are required to remove them.The malware is listed as com.sts Trojan. Kindly advice How to remove it
    11-09-2014 06:45 AM
  24. Mahdi Baday's Avatar
    It's not really malware or anything bad. It can't be real because my mom and me both have the LG G Flex and first she saw this on her phone, and as soon as I updated my 360 Security app I see it says I have this Demo Stub thing as well. Has to have something to do with the 360 Security update
    12-17-2014 06:31 PM
  25. Little_Light's Avatar
    Found this on my wife's Samsung Note 3 using Advanced Mobile Care. She isn't rooted so she can't delete it. Seems harmless. From what I've read here it appears as though it's just a leftover "stub" of the old demo they run when displaying it in store. Not 100% sure. I hate unauthorized apks on any device. Rooting isn't an option for her. If anyone finds a way to remove without root please put a reply for it.
    01-07-2015 09:35 PM
40 12

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