Blackmail virus epidemic is serious how to prevent blackmail virus in 2018
4hw.com.cn: Recently, blackmail virus has come back again. It is rampant in China. 100000-150000 domestic tourists are infected with this virus every day. The epidemic is very serious. The government, enterprises and individual users are all under attack. How to prevent blackmail virus? Let's have a look.
According to the monitoring and evaluation of "tinder threat information system", there are more than 10 kinds of extortion viruses (families) infecting users' computers every day, with a daily infection rate of up to 100000-150000 computers, of which more than 90% are extortion viruses transmitted through loopholes.
It can be seen from the above figure that although extortion virus has multiple transmission channels, such as system loopholes, virus mails, webpage stalls, etc., the number of extortion virus infections spread through loopholes is the largest, and the harm to institutions and individuals is the largest. The common feature of these infected users is that the computer runs naked - neither patches are installed for system vulnerabilities, nor qualified security software is installed.
How to prevent blackmail virus?
Engineers say that once the computer data is encrypted by blackmail virus, there is almost no way to crack it. Users either give up the data or pay a ransom to obtain the decryption key. Moreover, some virus gangs' don't trust 'and don't provide key to get ransom. There are also anti social extortion viruses like' Petya ', which only destroy and don't earn money. The ransom payment process simply doesn't work.
The security team of tinder reminds users that the prevention of extortion virus needs to be prevented in advance - patch the system and install qualified security software. At the same time, do not easily click the email attachment and website link with unknown origin.