Please guide me to fix disorderstatus.ru/order.php issue, bugging every few secs

Please guide me to fix disorderstatus.ru/order.php issue, bugging every few secs with below 2 errors.

URL: http://disorderstatus.ru/order.php
Infection: URL:Mal
Process: C:\Windows\SysWOW64\msiexec.exe

URL: http://disorderstatus.ru/diff.php
Infection: URL:Mal
Process: C:\Windows\SysWOW64\msiexec.exe

see instructions here https://forum.avast.com/index.php?topic=53253.0
attach Malwarebytes and Farbar Recovery Scan Tool logs … 3 logs total

below the box you write in here …see Attachments and other options