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Computer Viruses
Computer viruses are harmful pieces of software which can reproduce themselves and automatically spread to other computers and networks. Questions about computer virus techniques and specific computer viruses belong here.
5,673 Questions
Who is the owner of AVG- antivirus?
AVG is a product of Grisoft, launched in 1992 in Czechoslovakia it wasn't until 1998 that it made it to the United States, They also claim to have over 106 million users world wide.
Adware is a type of Advertising Display Software. It will install on users' computers along with other program downloads without their authorization, aiming at releasing commercial advertisements that may be unexpected or unwanted by users. Annoyingly, normally users are forced to visit the frequently-appearing advertisements, making the computer perform extremely sluggishly or crash randomly if it is an old computer.
Why were computer viruses invented?
talking about the reasons why programmers create viruses, worms and the likes… Reasons varies actually from one programmer to another.
- They write this kind of codes as part of their research.
- These are just pranks, vandalism etc
- A way of spreading words ie announcement, greetings, political message etc
- They use them for extortion, theft etc
- A way of testing a product, application or any software.
- The way to attack one's application, works, job, etc.
xcool77
How do you close your rediffmail account?
Hi,
this is what i got from Rediffmail
1.) If you do not log in for a continuous period of 30 days, then further incoming emails will be blocked.
2.)Further, you need to log in at least once in 45 days. If you do not, all emails in your Inbox from the 46th day onwards, will be deleted.
3.)Also, if you do not log in even once for a continuous period of 90 days, your account will become permanently inactive (deleted). Once this happens you will not be able to log in or use your Rediffmail account at all.
4.) Exception to policies 1, 2 & 3 above: If you have subscribed for send SMS, POP3 access, Rediffmail Plus, Rediffmail Mobile or any other paid Rediffmail service; however, your account will remain active for the entire period of the subscription, i.e., even if you do not log in.
What do you do if Spybot won't Immunize all your files?
Spybot: Search and Destroy, like most trusted anti-spyware programs, is able to protect your system against threats stored in its "threat database". New threats are emerging all the time as the Internet "bad guys" write new viruses, spyware, and other malware, and these new threats will not be registered in Spybot's threat database.
The helpful developers of Spybot are always working on their threat database, adding new threats as they find them. However, all these additions to the threat database won't help you if you don't have the up-to-date database. This is the function of the Update option in Spybot - it downloads the latest threat database from Spybot headquarters, allowing Spybot to find and eliminate new, dangerous threats. Updating Spybot regularly can keep you protected from all these threats.
It can also be a good idea to install multiple anti-spyware programs - between them, their threat databases will take out more malware. A good anti-spyware program is Lavasoft Ad-Aware, linked below.
Anti-virus is also vitally important. Grisoft's AVG is freely available and provides superb protection if kept up-to-date (link below).
For extra protection, the Firefox addon, Web of Trust, has another threat database, this time of Web sites. WOT will warn you about sites with malware, and provide another layer of protection (link below).
Virus protection programs can prevent many viruses or commands from happening on the boot area of the hard drive if it feels it can cause harm. In order to allow commands despite the virus protection program go into computer settings and programs then disable the anti virus program software. This can cause harm to your hard drive.
Does dragon nest have virus if you download it?
Dragon Nest (I will refer it as dn to shorten this passage), should not be a game with viruses. It is from an official website, and no company would ever invest so much time and effort into a game just to scam the customer out of their money. If you were someone frauded, check your website history and read the address code to see if it is actually nexon.net, and make sure you were not redirected to other sites during the download.
Omegle does NOT contain any mal-ware, ad-ware, trojans, viruses, or anything of the such. HOWEVER, certain users might post links to such things: It is not in any direct correlation with Omegle.
Can a computer virus cause your printer to stop working?
Not necessary, it may be also due to some problem with the printer driver. Are you able to print other documents? Yes, can can print word, excel and photos'basically all things other than web pages Your web browser may not have the printer properly set up in it. This sometimes happens when a new version of the application is applied. Try setting it up in the browser again to see if that helps.
I got a virus on my computer and now I can't open the internet how do I get rid of the virus?
Try downloading malwarebytes. It worked perfectly for me to get rid of this huge virus on my computer last time. However I'm having the same problem again and now it isn't working. Anyway try that program first. Download it on another computer that has internet and put it on a jump drive. Then take it to your computer that's having the problem and download. Do a scan and WALA; it should work fantastically now.
Yes, Twitter is a fairly safe website. It wouldn't be so popular if it was dangerous. However, many posts contain links to other websites that Twitter does not operate. They could possibly be dangerous, so be careful on what links you click on.
What is difference between symantec and norton?
I have used both. They both do essentially the same thing. However, Norton uses more system resources than McAfee. You might consider using AVG. AVG has a free version and a paid version. It uses the least system resources of any anti-virus out there.
What are the Worst Viruses in Windows?
Its arguable but i think its norton anti virus It's called Agobot I Think, but you can get up to six viruses in you're computer if you get that virus?
What is a virus in a computer?
a virus in a computer which is slowly breaking you computer and is hard to get rid of
How can prevent computer virus?
The first line of defense against computer viruses is to have a good anti-virus program installed on the computer. Make sure you check out the program before buying or downloading it as there are quite a few malware programs out there masquerading as "anti-virus software". You should also have a good host-based firewall active on your computer. Viruses, worms, trojans, spyware, adware, and other malware typically spread through one of a few vectors:
1) email attachments - once the user opens the attachment, their computer is infected.
2) infected media (like flash drives, CD's, DVD's, and the good old floppy disks of yore)
3) malicious auto-executing scripts on websites (look up drive-by-downloads for more details). These often are associated with emails that provide a link to the bogus website. These may also take the form of phishing attacks where an email from an apparently legitimate site directs the user to a very legitimate looking but fake website where the attacker installs malware to steal user information like passwords, bank account numbers, credit card numbers, etc. which can then be used to steal identities and consequently money from the victims.
4) unsolicited connections sent to unprotected computers while they are on-line (this is where firewalls can protect you)
5) scareware - a victim gets a pop-up message telling them that their computer is infected and that they need to download a particular program to clean it up (usually this is actually social engineering to get the victim to install malware on their computer)
6) trojans - free (usually) programs that seem to be useful or a legitimate game that actually install malware on the computer along with the application or game that the user thought they were installing.
I have also borrowed the following advice from another user about dealing with computer viruses:
The following guidelines may give you a fighting chance.
I have divided this page into two sections - a quick guide for those who are experienced, or are short on time, and a more detailed section for anyone wanting more details.
Please do not ignore computer viruses - they can range from nuisance or joke programs to ones that erase the entire hard disk.
Quick Guide:
- Keep a regular backup of your important files (on floppy, zip disk, writeable CD, tape, another hard disk, etc.)
- Be aware that most current viruses arrive as e-mail attachments. Be very suspicious of any attachment that has any of the following file extensions:
.exe .vbs .scr .vbe .com .bat .shs .cpl .dll .ocx .pif .drv .lnk .bin .sys .eml .nws (do not click on attachment files whose names end with any of the above) These attachments almost always arrive from someone you know (without that person's knowledge), so attachments are not safe just because you know the sender. Note: Opening the mail itself is safe, but clicking on any attachment can spread the virus instantly.
You should update your definition files at LEAST once a week. If your anti-virus program has the capability, you should configure it to download updates automatically every time you connect to the internet. You should also configure your antivirus software to conduct a full scan at least once a week - or launch the scan manually at least once a week. You should also launch a manual scan any time you suspect your computer may have become infected. Note that some viruses hit the web before anti-virus software definitions are updated to detect them so you can still get infected in the time between when the virus comes out and the anti-virus software starts to detect it.
- What is a Computer Virus: A Computer Virus is simply a computer program with malicious intent. These programs are usually small in size, and the more clever ones hide themselves within other innocent programs (e.g. within NOTEPAD), hence the "virus" in their name. In fact the technical difference between a Computer Virus and a Computer Worm is that the virus inserts itself within some other legitimate program, while the Worm exists as a standalone program. From a user's perspective this distinction is somewhat moot, and a worm or a virus can do equal damage. In fact the word "worm" is used less these days, and virus is often applied to both types of programs.
Viruses are often written by students with time on their hands, though a few are very sophisticated and obviously written by professionals (disgruntled employees, frustrated programmers etc.). While there are over 30,000 known computer viruses, the number of truly original viruses is actually quite limited, as seen by the number of copy-cat viruses that proliferate after any well publicized virus incident. For example, there are apparently several hundred variants of the "ILoveYou" virus out there. Most are just plain copies, or minor variations of the original. More recently, cybercriminals have started to release viruses to steal information or compromise a computer to allow it to be used as part of a botnet to spam thousands of other computers or to carry out denial-of-service attacks against target networks.
How does a psu work in a computer?
The power supply in the computer is what provides power to all of the components inside the PC. It also has the role of powering up the computer. The power supply not only powers the motherboard, but everything else inside the computer, including the video card, peripheral cards, hard drives, etc.
How do you remove folder virus?
You need to run these 5 essential steps to remove all the spyware on your computer.
1. Run Deckard's System Scanner (DSS)
2. Run Malwarebytes Anti-Malware
3. Run the anti spyware removal programs spybot
4 Run Superantispyware
5. Run a complete scan with free curing utility Dr.Web CureI
How do you take care of computer viruses?
Stick to web-site you are familiar with, and that you know are safe. Never download music, videos, programs or other data unless you absolutely trust the site you're visiting. NEVER allow someone to remotely access your computer over the internet. Use a good anti-virus program and keep the virus database up to date. Use a decent firewall - to help prevent unauthorised access to your computer over the 'net. Make sure EVERY person who has access to your computer - is 'security aware'.
Can you find out what website caused a virus?
i guess not. i dont think we can find out beforehand if any of the website caused / has virus in it. Unless you have antivirus software installed in your pc, it will alert you if you are entering a website that most likely contains virus.
The term integration refers to the ability to what?
use a variety of search engines
This is not the correct answer. I thought it might be using a variety of search engines as well when i took my exam, however it is incorrect. The correct answer to this question is
D. Transfers information from one type of program to another
How do you uninstall cyber security?
You can try to remove Cyber Security manually:
http://www.2-viruses.com/remove-cyber-security
http://www.anti-spyware-101.com/remove-cyber-security
Or you can try the automatic way, which is just to scan your system using a decent spyware remover, such as Spyware Doctor, SUPERAntiSpyware or Malwarebytes.
Computer viruses can be use to steal personal information such as bank accounts and social security numbers. Others will try to "scare" you into buying a product such as a fake anti-virus program. Others will simply damage your computer.
You can protect yourself by investing in a Anti-Virus software, don't download things you don't need, don't view adult webpages, don't click on Ads such as: "you are the 999,999th visitor, click here you claim your prize!", and be careful of mistyping a URL such as goggle instead of google, as some viruses use those typing errors to get you.
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How virus can enter in a computer?
A computer virus is a computer program that can copy itself and infect a computer without the permission or knowledge of the owner. The term "virus" is also commonly but erroneously used to refer to other types of malware, adware, and spyware programs that do not have the reproductive ability. A true virus can only spread from one computer to another (in some form of executable code) when its host is taken to the target computer; for instance because a user sent it over a network or the Internet, or carried it on a removable medium such as a floppy disk, CD, DVD, or USB drive. Viruses can increase their chances of spreading to other computers by infecting files on a network file system or a file system that is accessed by another computer.[1][2] In order to replicate itself, a virus must be permitted to execute code and write to memory. For this reason, many viruses attach themselves to executable files that may be part of legitimate programs. If a user attempts to launch an infected program, the virus' code may be executed simultaneously. Viruses can be divided into two types based on their behavior when they are executed. Nonresident viruses immediately search for other hosts that can be infected, infect those targets, and finally transfer control to the application program they infected. Resident viruses do not search for hosts when they are started. Instead, a resident virus loads itself into memory on execution and transfers control to the host program. The virus stays active in the background and infects new hosts when those files are accessed by other programs or the operating system itself. http://en.wikipedia.org/wiki/Computer_virus#Infection_strategies
