The redirect virus will show you specific advertising sites which are not well-known and this is the way it generates traffic of the website. To put it bluntly, the redirect virus is designed by cyber hackers to make profits by cheating computer users. There are always some users who cannot help clicking on the ads which look attracting and luring, and when they really click on those misleading ads, they would fall into the snare laid by the cyber criminals. It should be noted that the ads provided by the redirect virus may not be 100% trusted, and users should just take a look and close the windows immediately.
If you have difficulty in manually removing the redirect virus, then you can try using an advanced malware removal tool to perform an automatic removal of this threat. Beware there are malwares online that disguise as potential malware removal tool check for reviews before you even install any such tool.
Steps to remove Primtwv:
-> Manually remove the Primtwv redirect virus from Control Panel.
-> Remove any suspicious chrome/IE/firefox addons/extensions.
-> Remove all related leftovers of the redirect virus with a professional security tool.