New variant computer virus "leakage" (Backdoor / Leakerbot.al) recently infects a large number of users. In addition, there is a variety of viruses that use chat software QQ propagation. According to the monitoring of the "leakage" virus variant, the virus center is introduced, the virus uses a variety of system vulnerabilities to spread; shield multiple information security and anti-virus websites; open the back door on the user machine, use IRC chat software to receive hackers Attack instructions; also try to crack the administrator and shared password of the network neighbor computer. It is reported that the virus automatically ends nearly 600 anti-virus software, firewall and network analysis tools. In addition, the virus uses its own username dictionary and password dictionary to "violently crack" in the network neighborhood sharing directory. Once success, infect the crack computer. In addition, the Jiangmin Anti-Virus Center recently took the lead in taking the QQ virus "BACKDOOR / RENWX..H). The virus is installed by techniques such as hooks and creates shared memory such that the user can be infected, and the hacker can remotely control the user's computer through QQ through the firewall. It is alleged that the virus is amazing, it will determine if the user current window is the QQ return window, check whether the information received by the user contains information about the computer, such as "Close the computer", "logout users", "Lock Desktop", etc. If there is, the virus performs the corresponding operations on the infected user's computer, including the switching computer, controls the desktop, lock, controls the boot bar, opens the document, controls the optical drive, mouse, browser, etc. . Anti-virus experts remind that users don't pay free to accept and open the unknown files sent by others when they are chatting, and choose anti-virus software with instant communication virus scanning. Virus protection. For the above two viruses, experts remind, timely upgrade a virus library such as KV anti-virus software, and open the monitoring function, you can fully kill the virus, protect the computer system is not infringed.
