Remove Cwasre Virus

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The following article will point out to you what the characteristics of a program called Cwasre Virus are, and how to remove the infection this kind of software may cause. Briefly speaking, this program is a member of a very widely-spread software group called browser hijackers. Among their distinctive features are accessing your browser apps (like Explorer/ Chrome/ Firefox/ Opera), modifying their settings and making them:

  • display a huge number of sometimes irritating ads in the form of boxes, pop-ups and banners;
  • put completely unknown homepages and search engines;
  • redirect you to a variety of websites, which you have never wanted to load, while you are trying to browse the Internet.

Typically, such programs are more or less harmless. What else you should expect when it comes to hijackers and how to successfully deal with them are matters, thoroughly discussed in the text below.

How such programs may act:

As we have explained in the paragraph above, hijackers could only infect and change the settings of all your browsers. Whatever browser you are using, you can expect redirecting, ad production and homepage/ search engine substituting. Such software is entirely promotion-oriented.

How such a program may come to your PC:

The usual sources of browser hijackers are the following:

  • Torrents and shareware: Hijackers may come from torrents and shareware, which means that no torrent is safe. Our advice for you is to simply avoid all of them.
  • Contagious websites: This is another popular source, as any browser hijacker may infect your computer in case you unintentionally click on a pop-up, produced by a contagious website.
  • The process ‘Program bundling’: This process involves the spreading of numerous programs/ games/ apps together inside program bundles. Normally, such mixes of software are available for free and anyone could access them. What you should definitely know about this way of distributing Cwasre Virus is that:
    – the simple act of downloading a wanted bundle will not infect your computer with a hijacker;
    – however, installing the bundle in a quick and often – careless, way almost always means getting infected with promotion-oriented programs such as Adware and hijacker-based ones.

How to avoid the hijackers/ Adware from the inside of a bundle, in case we really want to try another program from it?

It is not that hard to develop some proper habits when it comes to installing various kinds of software. What you need to do is to stay away from all the wizard steps promising you a quick and automatically-performed installation process. Usually, choosing such an ‘easy’ feature can deprive you of the chance to select the exact programs from a bundle, or the exact features of a program, which you indeed need on your system. The following installation features are to be always avoided: the Default/ the Recommended/ the Typical/ the Easy/ the Quick one. Instead, you should use the Customized (often called the Advanced) feature, which as its name implies, will let you customize the entire installation process. Thus, the last word will be yours when it comes to the wanted features and programs. Choose wisely, always go with these wizards options.

Why are they developed?

Perhaps you are thinking about the reason why such software has been developed in the first place. Nonetheless, it does not come as a shock at all as hijackers are exploited for advertising purposes. This means that all their features serve the marketing industry and the possible redirecting and ad production are only the results from the desire of manufacturers to have their products promoted; and of the web developers to earn some additional profits.

Why are they considered harmless most of the time?

In general, browser hijackers are normal harmless advertising products, which are considered potentially unwanted due to the possible redirecting and ad generation that they may cause. Nevertheless, they are still considered more or less harmless, as compared to the actual viruses, like the ones based on Ransomware, they do not have anything in common and cannot cause nearly as much trouble. As an illustration – if your system has been infected with Ransomware, all your data will face encryption and even destruction. In the case of contamination with Cwasre Virus, only your browsers could face some slight, yet annoying modifications. We have explained them above. What’s more, the Ransomware viruses will NEVER have to ask you for your permission to get installed they do that in an automatic way, while the developers of hijackers are always looking for a way to trick you into approving the installation of Cwasre Virus, for instance.

How to remove Cwasre Virus

Follow the instructions in the Removal Guide below. They should be what you need to perform an uninstallation process properly.

Cwasre Virus Removal

Before you begin completing the steps from the following guide, we advise you to place a bookmark on this page or have it opened on a separate device since some of the following steps will require you to close your browser.

Enter Safe Mode. If you don’t know how to do it, use this guide.

II 

Open the Task Manger by pressing Ctrl+Shift+Esc. Go to the processes/details Tab and take a look at the resulting list. If you see a process with the name of the unwanted program or looks shady, right-click on it and select Open File Location. If you believe it is part of the infection, delete the files.

III 

Use the Winkey+R key combination to open the Run window and in the search field type appwiz.cpl. Hit Enter and in the resulting list, look for recently installed programs that look potentially unwanted. If you find anything – uninstall it.

IV 

Re-open Run and this tie type msconfig. Hit Enter again and in the resulting window, go to the Startup tab. See if there are any shady programs there and if anything looks suspicious uncheck it and then select OK.

In the Start Menu search field, copy-paste the following line: notepad %windir%/system32/Drivers/etc/hosts . Open the first result and look at the bottom of the file where it says “Localhost”. If there are any IP addresses below that, tell us what they are in the comments since they might be coming from the unwanted software.

VI 

Type Network Connections in the Windows search field and click on the first result. Right-click on the adapter that you are using at the moment and go to Properties > Internet Protocol Version 4 (TCP/IP) > Properties.

If the DNS line is not set to Obtain DNS server automatically, make sure to check that option.

Now go to Advanced > DNS tab and remove everything in DNS server addresses, in order of use.

VII 

Right-click on your browser’s icon and select Properties. Delete everything in Target that is after .exe”.

For Chrome users

Close Chrome and go to this folder: C:/Users/*Your username*/AppData/Local/Google/Chrome/User Data. Change the name of the Default folder to Backup Default. Re-open Chrome.

For Firefox users

Open Firefox and click on the Main Menu > Add-ons > Extensions. If you see anything suspicious there, remove it.

For IE users

When you open the browser, go to Tools > Manage Ad-ons and remove the unwanted software if you see it there. Next, go to Tools > Internet options and change the homepage URL to whatever you are normally using.

VIII 

Open Run (Winkey+R), type Regedit and click on OK. Next, press Ctrl+F and type the malware name. Hit Enter and delete everything that gets found.

If there are no results from the search, manually visit those folders in the Registry Editor.

  • HKEY_CURRENT_USER/Software
  • HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Run
  • HKEY_CURRENT_USER/Software/Microsoft/Internet Explorer/Main

If you find there any suspicious keys that have names with a lot of random letters and numbers, delete them or if you are not sure, tell us in the comments what you saw.

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