Facebook, the largest social network with 500 million users, providing an interface to hit the unsuspecting crowd with malware and viruses. The virus is not very difficult to detect if you are careful enough. This virus appeared on your Facebook wall in the form of a weird story or eye-catching and video, and once the user has clicked / liked that link, it's too late
How to avoid it?
1. Think before you Act. Virus on Facebook sly. The hackers and cyber criminals who want your information to know that Facebook users will often click on an interesting post without thinking for a moment. If the post sounds a bit over-the-top like the title of a tabloid, this is your first warning sign.
2. Try to avoid links and videos with interesting words such as "the funniest thing ever," video "the most hilarious on Facebook," or "You should see this" Do some keyword research to see if the post in question appears in the search. machine with current information about the virus or trojan.
3. Check for suspicious content posters. If you receive a message from someone you do not know, this is an obvious red flag. Facebook viral video also tend to appear in your news feed or on your wall of your friends do not talk in a while. Unfortunately, the possibility of these friends have fallen victim to the latest viruses on Facebook. After clicking on the story itself, the message was sent to all their friends too.
4 Avoid messages that have been posted by some users as the virus spreads among your friends who are not so careful. If links with titles such as "Sexiest video ever" appear throughout your feeds from all sorts of people (maybe your friends would not expect to make such posts), this is a warning sign. Possibility of direct messages similar variant of the Koobface Facebook virus known to have used this approach in the past.
5. Do not fall for the "typical" money transfer scheme. Messages from friends chatting needs funds usually will sound suspicious. Everything can not be screened before posting, so the money transfer fraud and a hoax applications are still finding their way onto Facebook. You should also avoid applications that claim to do a "check error" full or fix security issues associated with your profile.
6. Update anti-virus software frequently. If you accidentally click on the post before realizing it was a hoax, do not click on links or downloading any further. If it is too late and you have been infected, the virus up the removal process can be easy if you have anti-virus programs are good for capturing malware viruses, trojans or other early on.
What's Next?
These are some important tips to keep your facebook account, but your job is not finished. Once you have detected that the link / post on facebook wall you have hazardous Flag as SPAM so support will stop facebook from further spreading and infecting other users.If you ever fall victim of any such scheme is dangerous, please share your experiences with all users in the form of comments so that others do not fall victim to it. 
Here I give a tips to prevent the retrieval of data from your computer to a flash in the sense that one can not retrieve data from your computer to put the flash of the person, but you can still retrieve data from flash to be inserted into your computer.
