Malwarebytes found Android/Trojan.Fadeb.j on 'Travel Weather Forecast', 'LockApp','com.android.system.acu', and 'Calculator'. System is BLU Studio G2 HD, Android 6.0.
These are system applications, and I cannot delete them. I'm getting random advertising popups associated with these apps (ie, sometimes when I open an unrelated app I get an advertisement, and when I minimize it I see that, eg, 'Travel Weather Forecast' is now running.
1) Is there a way to delete these apps without rooting the phone?
2) Do you think this malware was always present on the phone, or is the infection due to download(s)? I haven't downloaded many apps, and all have been from the Play Store. I uninstalled the last few installed apps, but the malware/undesired behavior remains.
I've had the phone about 5 months, but this behavior only commenced about 2 weeks ago.
Thanks.