What to do before Vietnamese virus problem?

Contributing to the massive list of these disturbing viruses in 2006 and early 2007 are the viruses made and distributed by Vietnamese people. Can be included as viruses Gaixinh , YMHeart , VloveYM , W32.Viet8xYM.Worm , NtkCYM , W32.RontokbroFL.Worm , W32.TVNhacYM.Worm , W32.LQDYM.W .

The most annoying for computer users is that Vietnamese viruses spread through Yahoo! Messenger and greatly affect the Vietnamese community using Yahoo! Messenger.

These viruses are spread based on users' vulnerabilities: If a computer has been infected, those in the address book of the device will simultaneously receive 'exclusive' links on the chat window and They will think it is sent by your chat partner.

Problems with Vietnamese Yahoo virus

If you click on it, the computer will be infected with the virus. Links often have sensational, erotic content, and users are easily fooled.

On the other hand, these viruses often have the ability to automatically update (Update) every time the computer is turned on. Therefore, virus writers can change the source of infection at any time, in order to delete the data on the victim's computer or take control of the device, thereby changing and stealing behaviors. data, even build Botnet networks (ghost computer networks) to serve DDos attacks.

Some viruses also add functions such as canceling some of the user's administrative rights to the computer, resulting in more difficulty for computer users in the antivirus process.

For example, cancel the right to edit regedit, cancel the permission to run the Task manager, lose the Folder Options function of Windows Explorer (this function helps users to set up to view hidden files (hidden files) In computers, these virus files are usually hidden files).

Return to Vietnamese virus history. In April 2006, netizens began to stand down with viruses known as thorny , the harm of the virus was promptly prevented, virus writers were quickly identified and handled.

However, the author of Gaixinh virus after being fined has released the source code of this virus to the HVA forum for other hackers to 'inherit' and 'promote'! And in a short time, 'made in Vietnam' viruses that have the same mechanism of operation as thorninhoc are constantly being distributed.

Calculated from Gaixinh virus so far, there are more than 200,000 computers infected with viruses made in Vietnam and originated from Gaixinh! And at the moment, the virus spreads through Yahoo!

The authors of these viruses are young adolescents, mostly because they want to test their knowledge, they have gathered the available code, revised it and spread it, very carefree and not thinking. to the consequences.

But more worried, now some Vietnamese viruses are not merely the purpose of knowledge testing, it has been directed to destructive purpose, steal personal information and purpose. publish some Vietnamese commercial websites.

All of the above information shows that Vietnamese viruses will continue to 'disrupt' netizens even more strongly in this year. While waiting for preventive forms, to deal more aggressively with the law, every computer user needs to have basic knowledge as well as effective tools to protect his computer first.

Here are some simple guidelines and useful tools, which help you not only prevent Vietnamese viruses but deal with other computer viruses and worms in the world.

Habits should have :

- Always use and maintain anti-virus software 24 hours a day. The most popular and effective currently is that you should combine an external antivirus software (eg Kaspersky, BitDefender, Norton antivirus) and an internal antivirus software (eg BVAK, D32).

- Continuous update of patches for windows operating system as well as for the internet browser they are using (Internet Explorer, Firefox, .)

- While talking (chatting) and receiving a link from the other party, be careful. This may be caused by the virus itself to deceive, so make sure the person who is talking to me will click the link.

- If you see signs of a computer being infected with viruses (for example, the device is slow to understand, the device runs some unusual functions, etc.), you should seek support right from your network administrator or have Please contact the support center to solve computer problems immediately.

- When browsing the internet, do not click on links within pop-up windows because pop-up windows are usually a product of Spyware. When you click on them, you may have accidentally installed this software, so your computer. To close this pop-up window, click on the 'X' icon in the title bar instead of clicking the 'close' link inside the window.

Software should install :

- Kaspersky or BitDefender. These are the two currently ranked software in the world for the ability to prevent and eliminate viruses, worms, spyware, advertising, .

- Some types of Vietnamese antivirus software.

- Can find and install other specialized software such as Lavasoft's Ad-Aware, Webroot's SpySweeper, PestPatrol, Spybot Search and Destroy.

Phan Anh Chuyen