Hi, I like how you explain about the Viruses such as the Friend Request. In my opinion, it only can happen when I clicked on such thing like “HAPPY NEW YEAR” image that was forwarded from someone else, all done from Messenger, not in FB. Apparently in messenger, it triggers the virus download when I clicked on the image to forward to friend(s).
How to remove facebook virus?
The particular Facebook virus has a lot of different versions and there might be different distribution techniques for each of them. Also, remember that malware creators tend to update their products from time to time. Techniques using photos, videos or deceptive links can distribute variants of this scam or even more severe malware. You should read about this category more in this article.
Your mentioned Facebook Friend Request virus and Facebook Messenger virus are one of the malware versions that appear on this social platform. Your device can get affected by any of those if you download any suspicious files or open the website delivered in the Messenger.
You should get a reputable anti-malware program to get rid of this virus completely during a full system scan. In the article about the Facebook virus you can find removal methods and additional tips. Also, read about these two versions of Facebook virus here and
here.
Best regards, 2-spyware support