Yes, it is a malware, and this virus targets your router settings.
Here’s how you can fix it.
Go to your router setting, change primary DNS to 188.8.131.52 and secondary DNS to 184.108.40.206, save settings, clear cache and restart (not reset) your router.
It is quite annoying, but I was able to figure out the solution! Here’s the entire post on my blog. Hope it helps.