How did you get DownloadActivate.com virus on your computer?

My browser is infected by DownloadActivate.com, this site has taken over my whole browser and I can not remove it at all. All the browsers including Internet Explorer, Mozilla Firefox and Google Chrome are infected by this nasty redirect virus. How can I remove this site from my browser? Will it damage my files and data? Should I try anti-virus program or other security tools? Any help will be appreciated.
What is DownloadActivate.com Redirect Virus :

DownloadActivate.com is a malicious site which will show fake message to cheat the naive PC users. Usually Internet Explorer is the first target but Mozilla Firefox and Google Chrome can be infected as well, PC user may get the virus infection while opening some infected programs and processes. Once the virus process has been activated, DownloadActivate.com redirect virus will infect the browser immediately but most of the PC users don’t notice it. This site will be shown automatically and frequently on one browse, however, this redirect virus will infect all the browsers when the time goes by. The browser hijack redirect can cause chaos on the infected browser and whole computer which makes PC users annoyed, this DownloadActivate.comsite needs to be removed completely to keep the infected computer safe.

In general, cyber criminals will force some fake message and publish on the DownloadActivate.com site, they use this way to let PC users download some programs and processes. Some PC users may follow its instruction because they have no idea about this nasty redirect virus infection. If PC users install the programs offered by this site, their machines will be infected by other threats easily and the infected machine will be in a high-risk situation of being attacked by cyber criminals. This browser hijack redirect has been one of the most nasty redirect viruses on the Internet, PC users need to be careful while surfing on the Internet.

Symptoms of Infection:

Once the infected computer is infected by the browser hijack redirect virus, it will cause terrible virus infection. The infected computer will run much slower than before, PC users will have to spend more time opening a webpage or watching a video. Sometimes the browser can crash frequently which makes PC users annoyed, the browser hijack virus is able to redirect the infected PC to visit other malicious website with different viruses and threats on it, and lots of the popping-up webpage will appear while surfing on the Internet. In a word, the browser hijack redirect virus can cause chaos and problems on the infected computer.

How Can This Virus Attack the Computer?

How did you get DownloadActivate.com virus on your computer? Usually these kinds of the viruses will be planted to some programs especially free programs, .exe, .bat or other executable processes and unsafe links. The computer will get the virus infection when the PC users install, open or click on these infected files. Sometimes the virus can even attack the computer by the files on the USB stick as well. Most of the unsafe website and forum will contain the virus infection, the computer can be infected while visiting these webpages.

DownloadActivate.com is a malicious website to collect information from the infected browser and the whole computer, the entire information on the infected browser will be in an unsafe situation once this virus process has been installed. What is bad, this malicious site can also mess up system settings and registry so that it can replace the homepage and other items easily, PC have to take long time on opening browsers and other programs. DownloadActivate.com is not a reliable site, PC users need to remove this site completely to protect the data. Next time if this redirect virus has infected the browser, PC users had better get rid of DownloadActivate.com without any hesitation.