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Basic knowledge about malware

What is malware?
Malware, short for malicious software is also called a computer contaminant, which includes computer viruses, backdoors, keyloggers, worms, password stealers, Trojan horses, spyware, crimeware, most rootkits, adware, and other malicious and unwanted software program that deliberately created to perform an unauthorized and often harmful action. Once a malicious program is installed on a system, it stays concealed to avoid detection and disinfection, which makes it very difficult to deal with. It brings various kinds of potential risks, such as loss of privacy or exploitation, etc. Malware has become a noticeable issue which can never be overlooked.
What is adware?
Adware is the general term applied to programs that automatically play, display, or launch advertisements (often in the form of a pop-up), which, by themselves, are harmless, however, can be harmful when come with integrated spyware, such as keyloggers, etc. Adware is often built into other programs you download and installed on your computer secretly, and without your knowledge. When you download a freeware program, you may also download adware that packaged with it. It pops up advertisements when you use that program. It may slow down your system and make your system unstable. What's worse, sometimes it will monitor the sites you visit, change your browser settings, and collect your information to sell to a third party.
What is spyware?
Spyware is a type of malware that can be installed on computers, which collects small pieces of information about users without their knowledge. The presence of spyware is typically hidden from the user, and can be difficult to detect. While the term spyware suggests software that secretly monitors the user's computing, the functions of spyware extend well beyond simple monitoring. Spyware programs can collect various types of personal information, such as passwords, credit card numbers, PIN numbers, etc,but can also interfere with user control of the computer in other ways, such as installing additional software and redirecting Web browser activity.


In response to the emergence of spyware, our company has devoted our efforts to develop anti-spyware software. It fully works out to solve the trouble of Spyware for you.

What is a keylogger?
Keylogger, sometimes called a keystroke logger, or system monitor, is a program which is used to monitor and record each keystroke a user types on the keyboard. It is sometimes used by a hacker to obtain confidential data, so it’s very risky to get keyloggers in your computer. Once your computer gets infected, all your login details, including user names, passwords, credit card numbers, PINs, etc, will easily be exposed to a third party.
How do viruses and worms spread?

When you execute program code that's infected by a virus, the virus code will also run and try to infect other programs, either on the same computer or on other computers connected to it over a network. When you share a copy of an infected file with other computer users, running the file may also infect their computers; and files from those computers may spread the infection to yet more computers. If your computer is infected with a boot sector virus, the virus tries to write copies of itself to the system areas of floppy disks and hard disks. Then the infected floppy disks may infect other computers that boot from them, and the virus copy on the hard disk will try to infect more floppies. Some viruses, known as 'multipartite' viruses, can spread both by infecting files and by infecting the boot areas of floppy disks. For the safety of you and other people, we suggest you choose and install a good antivirus software. Anvi Smart Defender is a good choice, it provides a super protection to prevent your computer from being infected by a virus.

How do I know if my computer is infected by a virus or other malware?

There are signs that can be symptomatic of your computer gets infected: system slows down, files and/or information disappear, peripheral devices don't function properly etc.
If you have installed an antivirus software, just update your antivirus program to scan your system thoroughly. If you haven’t installed any antivirus software, you can choose to download Anvi Smart Defender which is an expert in protecting your computer form being infected by a virus to scan your system thoroughly and help you deal with the potential threats.

What damages can viruses bring to your computer?
Viruses have a wide range of effects. It may cause damage or destruction to computer system, complete loss or destroy of information on a computer, or running small joke programs, all of which may lead to a huge waste of resources and wealth, sometimes even lead to social disasters. So be careful on what you download or open next time.
Why should I be worried about my computer getting infected by malware?
Just imagine when you turn on your computer, only to find that the system productivity is slowdown, operating system errors appear from time to time, and some annoying unwanted advertising appears on the screen, you will find the answer. However, besides all the threats listed above, some malicious effects lie behind. Once your computer gets infected by a malware, all the information (data, pictures, files, etc,) on your computer, including confidential ones may easily leak out, which means you have to take the risk of theft of confidential corporate, trade secrets or financial information and the invasion of privacy.
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