A computer virus is an unwanted program or software made by both unknown and known computer virus creators, which can affect and damage your computer system. All computer viruses do not behave and infect in the same way. According to their work area and work type, there are different categories of the most damaging types of virus. Knowing them will help you determine how to remove computer virus.
Different Types Of Virus
· Trojan Horse
Trojan Horse virus has the appearance of having a useful and desired function. So, most of the time, users get attracted towards it. But after installation and launch, its hidden programs perform some other undesired functions that may cause damage to the security of your computer. Most of the time, it affects system files. Data destruction, system crash or security problem, are some of the major effects of this type of computer virus. This is considered as one of the most damaging types of virus.
Another one of the most damaging types of virus of all time are the worms. Most of the time, you will receive a worm by an e-mail or another transport mechanism. After getting affected by worm, it copies itself in your system. But, latest antivirus software have the ability of detecting and removing worms.
· Memory Resident Virus
This virus always works in the computer’s volatile memory (RAM). It is a type of virus which is permanent and affects all of the operations performed by the system. It can corrupt files and programs, which are temporarily stored on volatile memory.
· Rootkit Virus
It is an undetectable virus that can allow an unauthorized user to access your computer system. This virus is created by the Trojan and normally affects stored data on hard disk.
· Logic Bomb or Time Bomb
This type of virus gets activated on a specific date or on any specific predefined event. Its main aim is to destroy your stored data on a specific condition. Logic bombs are undetected until their launching and their result is very destructive.
Boot Sector Virus, Macro Virus and many other most damaging types of virus can also affect your system.
There are some solutions available to get rid of the effects of computer virus, even the most damaging types of virus, Security Shield virus removal being one of them.
Security Shield is a rouge malware application that is used to inform the user about the virus. Many antivirus software uses this tool to detect and repair the virus. Like any another virus removal application Security Shield can also be used manually or automatically. Manual removal allows user to know that virus has been completely removed but it can take hours to complete the process. Automatic removal is less time-consuming process, which eliminates the virus quickly and the user can go back to work with minimum disturbance.
Security Shield is an easy and convenient tool that removes the virus without making any changes in your existing system. But, before using Security Shield, be sure to have a backup or data recovery software with you and you must also be perfectly comfortable with your computer skills.
Installing a separate copy of Security Shield tool is a very long and hectic process. Either there are many antivirus software which has a built-in Security Shield tool where you can complete this same process with just a few mouse clicks. Once you install your antivirus software with Security Shield, always keep updating your antivirus software to get a better version and performance by the Security Shield.
Every computer user would most definitely want to be well versed on how to prevent computer viruses. Before getting into that, it would be helpful if you know the various sources of virus. Viruses are usually acquired from downloading from the net; from accessing shared drive like pen drives; and through network propagation from infected computers.
Defenses Against Computer Viruses
· Human Interaction
Human interaction is the first line of defense in how to prevent computer viruses. The end users must know what they are clicking especially while navigating various web sites, and looking at untrusted content from emails. For example, phishing is the most common mode of attack where the end user clicks the impersonated links without any prior knowledge. The best way to prevent this is to look through the browser by hovering the link or simply “View source” of HTML. Most of the phishing emails looks like originals; hence, the user should avoid clicking any links directly especially if it comes from common sources like friends, banks, insurance companies.
· Antivirus Programs And Security Shields
Also, several Antivirus providers, like the Security Shield virus removal, provide a “Site advisor” facility where the links are scanned by the antivirus software for authenticity. For instance, McCafee site advisor provides a color-coding on the links with green tick and red cross to indicate whether the links are safe or unsafe respectively.
There are various security shields available in the market including the site advisor, email scanners, pop-up and script blockers, content scanners for malicious files like exes, and scripts loaders. The key is not to disable them or you better block the end users from tweaking the settings. Standard images can be created with all security controls in place and updated dynamically through corporate security policies. For home users, reviewing scan reports and refreshing updates on security and antivirus should be a mandatory practice.
· Email Control
To provide additional security, most of email software parse the email content and classify them as safe as unsafe. Applying human intelligence is critical to prevent the virus download. Always check the source and the sender of emails. Check for signatures and other patterns from senders like spelling, words and terms used. If the user is not sure, better not to download.
In the workplace, the end users can be provided with a list of spam mails, links and other source of viruses through a desk alert or periodic updates in most commonly seen places like hallways and cafeterias. Also, the IT security team in offices can provide pamphlets and flash cards on Do’s and Dont’s on corporate computers.
In general, the end user can use non-administrator accounts instead of administrator account for casual browsing. For home PCs, the users must regularly run an antivirus scan at least twice a week and also every time he shares the computer, to ensure that the cache and personal data are wiped off. For pen drive access, always run a virus scan before copying anything in and out of the computer.
Computer Viruses Symptoms
In knowing how to find computer viruses, it is important that you are aware of the various computer viruses symptoms. Here are some of them:
- Lagging or hanging programs is observed and it is persistent, especially for high CPU and memory usages;
- Applications running slowly;
- Rogue or unknown processes running on the computer;
- System crashes during normal activity;
- High network activity;
- Spam mails originated from your account name and sent from your computer without your knowledge; and
- User identity compromised without the knowledge of user, like when there are activities that occur on user’s account without logging in.
Other than those mentioned above, some more computer virus solutions on how to prevent computer viruses include disabling network sharing or disconnecting the computer from networks and making it stand alone. You can also disable all key user accounts on the computer like single sign on and password store. It would likewise help if you run a complete a virus scan and wait for results to observe quarantined objects. Check all system files for infection. Finally, you should reformat the system if the infection is severe or not fixable.
You are going to need a virus removal software if you spend so much time on the internet. The hackers who sit around and create viruses are getting cleverer and are developing viruses a pace that most free virus removal software cannot even touch. You need to protect your computer from the harmful things that are waiting to sneak in through an email or a download. A virus is tricky. You could click on something you have clicked on everyday and suddenly have a virus on your computer. This is because it hides and watches what you are going to click on and then clones that link. Anti-virus software will help prevent this from happening.
What Viruses Do To Your Computer
- Delete Files
- Corrupt Data
- Slow it Down
- Cause Pop Ups
- Crash A Hard Drive
There are a lot of things a virus can do to your computer without virus removal software. A virus is a small program that someone has designed to spread from computer to computer just messing things up. It can actually ruin your hard drive so much that you have to buy a new computer. If it is a virus that doesn’t crash your computer, it can make your load time as slow as dial up, and pepper your screen with pop ups. If you are someone that spends a lot of time online, or does any kind of work on the internet, then this can be extremely inconvenient. If it corrupts data in your computer, then every time you try to open that particular data, it will cause your computer to meltdown in a vicious cycle until you can get rid of the virus. The software is necessary to make sure that your computer continues to run smoothly.
Best Antivirus Software
You can find the answer to what is the best virus removal software by doing a little research. If you search online for virus removal software reviews, then you will find a lot of information. Virus removal software is something that everyone has to use. There are some good reviews for ones such as Security Shield virus removal, but there are lots of other ones that people like as well. The best virus protection software is going to automatically update so you do not have to constantly check, and it will allow you to set up a routine scan at a certain time. A good one will allow you to run manual ones as well whenever you see fit.
A good antivirus software will take care of pop ups, disguised links, downloads, and any other way a virus can enter your computer. Getting a great virus protection software is the only way to keep your computer safe.
Computer virus protection is necessary if you have a computer and you use frequently use the internet. You cannot get away without it because if your computer is unprotected, it becomes a sitting duck for virus infestations. There are lots of different hackers out there who have nothing better to do with their time than create viruses to make other people’s lives hard. It can be a huge pain to get a virus off of your computer when you have gotten one. Sometimes, the entire hard drives are destroyed.
A Computer Virus
To understand why you should have the best computer virus protection, you need to know what a virus is. A computer virus is a software program that is specifically created to spread from one computer to another quickly. It can really slow down the processing of your computer, make the internet inaccessible, and create an environment where all you can see are pop ups on your screen. They can come through attachments in email, and things that you click on when you are signed onto the internet. They can be disguised as something you would normally click on such as an advertisement. This is why good computer virus protection software is necessary. Other problems a virus can cause is corrupting data that is already on your computer, and deleting things that you may have needed.
The Right Kind Of Protection
How do you know what the best computer virus protection is? You can study computer virus protection reviews and see which ones have the most satisfied customers. No two computer virus protection programs are the same and some are going to protect better than others. Security shield virus removal has consistently good reviews and there are several others that do. The best thing you can do is to get a computer virus protection that updates automatically so that it is always battling the newest viruses that are out there. You want one that will automatically scan as well, but gives you the option to run a manual scan if you feel like something is wrong with your computer. Once you have found some good reviews on software, compare price and ability to pick out the best one.
Using The Computer Virus Protection
The way you can use computer virus protection is to run a full scan of your computer daily. If you are paranoid, you can run it more than once daily to help ease your mind. Scanning at least once after using your computer all day will suffice to help keep viruses at bay. Having virus protection software that automatically updates is best because it will stay on top of the viruses who have figured out how to work around the software. The updates will continuously protect your computer from having a problem. If you are going to use the internet, then you are going to need protection from all the viruses that are out there.