Virus spread through Yahoo! Messenger back

In recent days, on forums and social networks, there has been a lot of talk about the virus spread through Yahoo! Messenger once raged 4 years ago.

Virus spread through Yahoo! Messenger back Picture 1 For a long time, thanks to expert warnings and experience after being infected with malware, users were wary of the virus. However, the subjective of users before the shared links via Yahoo! Messenger for the past few weeks has made W32.Ymfocard.Worm (the latest variant of the virus spread through Yahoo Messenger) quickly spread.

As of September 9, 2010, Bkav's monitoring system detected 81,000 computers in Vietnam infected with this virus.

Yahoo! Messenger needs to be alert when receiving links, even if they are sent from close friends. At the same time, users need to regularly update the latest version of antivirus software to protect the computer.

Network security in August also noted the return of virus destroying data. After a long absence, the virus that destroyed the data has reappeared. In the last 20 days, Bkav's Virus Monitoring System detected the programmed virus to erase all data in the drives, except for the Windows operating system. The time of virus deletes predetermined hacker data on days 1, 10, 21 and 29 monthly.

Bkav identified this virus as W32.Delfile.Worm. 'When infecting computers, the virus will copy itself to the fixed folder C: WindowsSystem32 and write a key to the registry. On predetermined days, the virus will perform deletion of data every time the computer starts. For the rest of the day, the virus hides the file and creates copies of itself, disguising itself as a real folder, making it impossible for users to recognize that the computer has been infected with the virus, ' said Vu Ngoc Son, ministry director. Bkav's research department, described.

Having raged in the 1990s, viruses destroying data has caused many losses to users. With the tendency to gather a lot of important data on computers like today, W32.Delfile.Worm will have immeasurable consequences when spread across a large area.

To prevent this virus, users should use copyrighted anti-virus software and scan viruses regularly. It is important to back up important data to other storage devices to ensure safety when a computer crashes.