Why is phone installing anonymous apps

[Vaibhavjazz30]

For last 3 to 4 days my phone is installing 2 apps without any permission or notification.The two apps are named clock and com.app.steps.vendor.I have scanned my phone with kaspersky mobile antivirus and they both are detected as trojan malware and removed it.But after sometime they installed again.How to the real reason behind it and to cure it.Please help

 

[awgybop1]

Is your phone rooted?