what are the risks about these "virus" on android?

HI:

I use avast-free on my android phone…and it scan all the Apps on my phone, get these warning:

what are the risks ?? :frowning: :frowning: :frowning: :frowning: :frowning:

thank you very much. ;D ;D

android:smsreg-beu[pup]
android:smsreg-bhy[pup]
android:smsreg-ayj[pup]
android:skymobi-e[pup]
android:smsreg-azg[pup]
android:secapkpacker-e[pup]
"android:packer-a[pup]
android:nqshield-e[pup]
android:nqshield-c[pup]
android:skymobi-e[pup]
android:skymobi-e[pup]
android:umpaysms-b[pup]
"android:smsreg-bmt[pup]
android:smsreg-bmi[pup]
android:smsreg-bna[pup]
android:lgexin-aj[pup]
android:umpaysms-b[pup]
android:skymobi-e[pup]

PUP = not malware / Possible Unwanted Program

A write up of PUP by malwarebytes here. https://www.malwarebytes.org/pup/

and avast for android / avast mobile security forum section is here https://forum.avast.com/index.php?board=37.0

thank you very much.