Phone making random calls by itself

Viruses & Threats
3

Hello Sybil,

Thank you for posting in the AVG community forum. 
We have a specialized team to deal with mobile queries.
To reach them, please visit this link and select the "Technical Support" tab.
For "are you currently using any paid/trial AVG products?" question, click on "Yes".
Please select operating system as "android" and fill in other requested details.
Finally, click on "request answer via email" which will submit a ticket to our mobile team.
Please keep checking your emails regularly to know the status.
Thank you.

2

Hello Sybil,

Thank you for posting in the AVG community forum. 
We have a specialized team to deal with mobile queries.
To reach them, please visit this link and select the "Technical Support" tab.
For "are you currently using any paid/trial AVG products?" question, click on "Yes".
Please select operating system as "android" and fill in other requested details.
Finally, click on "request answer via email" which will submit a ticket to our mobile team.
Please keep checking your emails regularly to know the status.
Thank you.

1

My Samsung galaxy S8 is making phone calls to unknown mobile numbers by itself.  No outgoing call is registered only incoming. People say they have missed a call from my number when I haven't even used the phone that day