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Welcome to Vodafone Community
Hi @Pylang
See here: Samsung - How do I use the Smart Manager application to check for malware or viruses?
Mobile phones do not get a virus in the same way as a PC and Play Protect should scan installed Applications for any viruses.
A search of the Play Store will reveal some anti virus Applications, if you have anti virus software on the PC, this can be usually be installed on the phone included in the subscription.
Samsung phones have protection built in and you don't really need any additional security software.
There are applications you can download from the Playstore @Pylang
Your phone has a built-in one via Settings, Device Care, Device Protection.
Your phone will automatically scan apps too to ensure everything OK.
Current Phone >
Samsung Galaxy s²² Ultra 256gb.
Secondary Phone >
Samsung Z Fold³ 256gb.
On a couple of occasions when something was a bit odd, I installed Avast and did a scan, but it never found anything and the issue went away,. It might be worth trying something like that for peace of mind - you can uninstall afterwards if you want to save space and/or resources.