In June, 27 new viruses appeared in Vietnam

The 27 new viruses, including the first two rootkit installation viruses in Vietnam, are general information about the virus situation in June.

The above information was published by the Network Security Center (BKIS) of Hanoi University of Technology.

The appearance of two worms BeagleFG and BeagleFH have a mechanism for installing rootkits that can pave the way for new virus development trends: a combination of fast-spreading capabilities with strong information hiding technology of rootkits.

This Beagle worm after infecting a computer will install rootKit itself to hide its existence. Users can hardly detect their presence on the computer if only through the programs available in Windows such as Task Manager, Regedit, Msconfig . To check if their computer is infected If this worm, rootkit or not and process them (if the device is infected), you can download Bkav software, scan all drives on the computer.

The viruses Rontokbro are the most contagious viruses in June in Vietnam, especially in agencies and units with intranet systems. Accounting for 52% of the 14,867 virus samples obtained through the BKIS virus surveillance system are the Rontokbro families.

The main reason leading to the strong spread of Rontokbro worms is the rampant sharing of folders and drives, no control in most of the intranet systems. . In case your computer system is infected with Rontokbro virus, you can handle it by: Quickly disconnecting infected machines from the intranet; Using Bkav software to scan viruses on machines; Connect the scanned computers back to the network.

According to the advice of experts, in order to effectively prevent such kinds of worms as Rontokbro, network administrators need to review their entire system, turn off all unnecessary folders and drives, Install the latest anti-virus and update software for all computers in the network. At the same time, you can refer to more information, how to kill and how to prevent new viruses.

In June, the top 5 most spread viruses in Vietnam are: W32.Rontokbro.Worm (52%), W32.LovGateRB.Worm (23%), W32.LovGateRA.Worm (8%), W32.SkynetP. Worm (3%), W32.MytobS.Worm (2%).

Regarding security vulnerabilities, there are some notable information, that is: 5 critical vulnerabilities in Microsoft software, buffer overflows on Microsoft Excel, weaknesses in Mozilla Firefox browser, overflow errors buffer when processing JPEG images on Opera browser, antivirus programs simultaneously suffer from weaknesses.

L.Quang