Home Trojan Necurs – Mass Mailing Botnet, Updates Locky Ransomware
Necurs – Mass Mailing Botnet, Updates Locky Ransomware Necurs – Mass Mailing Botnet, Updates Locky Ransomware
Trojan,Backdoor,Spyware | 11/30/2017

Necurs – Mass Mailing Botnet, Updates Locky Ransomware

Necurs Botnet is another new addition to the nasty Locky and Dridex Ransomware, this Trojan virus acts as backdoor entry for this ransomware and the sly method it adopts to spread itself is through mass mailing spam emails and malicious attachment. Over 12.5 million infected with this scarab ransomware in form of spam emails to the users.

What is Necurs botnet Trojan?

Post infiltrating into your PC it hides deep, and later activates itself and then after brings some issues which makes your computer useless. Necurs malware also works as a "downloader" or "loader," and just like wise downloaders, it only has three major functions: (1) get boot persistence on an infected PC, (2) collect telemetry on infected hosts, and (3) download and install a second-stage payload.  The primary target is to be a threat to your computer's security and weakens the security which helps malware to get in your PC quickly as well as serves as a backdoor which allows the cyber hackers to access PC remotely. Necurs Botnet is highly dangerous computer threats and thus need to be soon.

Necurs downloader gets two interesting new features

This Necurs as a downloader mostly gets ignored because it's small and insignificant. Recently, researchers from Symantec observed two major additions to the Necurs downloader.

  1. The first is the addition of a Powershell script that takes a screengrab of the infected user's screen, and after waiting a few seconds, it uploads the image to a remote server.
  2. The second function is a built-in error reporting function that watches the Necurs downloader for errors, records problems, and sends the info back to Necurs operators.

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Harmful effects of Necurs botnet Trojan

  1. Destruction of your system – Most of the viruses are capable of damaging your computer, and Nucurs botnet Trojans are no exception. Their primary task is to delete your installed programs, format your hard-drives without your permission, corrupt the important and saved system files.
  2. Turns your PC into a spying tool – this is another feature of this Trojan virus. It turns your computer into a hacking toll which spies on you. The most common tricks it uses for spying is keystroke logging and screen monitoring. As we know, the Trojans seldom reveal themselves, and the most hidden feature is using your computer's inbuilt as a webcam to spy on you, and you may never find out that such a thing is happening.
  3. Electronic money theft – Due to being a trojan virus Necurs Botnet is used by the cybercriminals as a digital money bank. This virus can be used to get access to the user's bank accounts’ and also get their passwords and drain out all their money.
  4. Botnet and mining – yet another feature of this harmful programs as a botnet – a network of computers that have a targeted purpose, their primary goal is to send mass spam e-mails which spreads more harmful software through the net. The other likelihood is that your machine may convert to mining digital currencies such as bitcoins. Once the hackers gain access, they generate revenue for its creator.
  5. Opens gateway for other viruses – Necurs Botnet can be used to more infections on your machine with other harmful software. Latest reports give out a message that many users have been infected by a ransomware (another very nasty type of viruses) with the help of Necurs Botnet or another Trojan.

How does Necurs botnet Trojans gets on to your system?

    1. It gets inside your system along with the installation of any new software applications which the user does without completely reading license agreements or reading without terms and condition. Most of these cases are sharing files like music, photos and many more in networking environment, visiting various adult websites are also liable behind the infection of this threat.
    2. Attachments send via emails or and social networking site like Facebook, Skype messages. This trap is genuinely old trick which is getting enhanced. The most recent hit is to influence is to look an associate who has sent you an email and it will also incorporate what seem, by all accounts, to be business related documents inside. Make sure to read and then open the file attachment before you take a gander at the document name. If it closes with .exe or it is .exe file then it’s most likely an infection!
    3. Bundling: Through third party installers by concealing itself in freeware installation. It comes bundled with free application hosted from unreliable site. When user install those free application then this infection also gets installed automatically.  
    4. It can also get attached with on your PC, if you frequently visit unsafe site like Porn sites or betting sites which contain illegal stuff. In addition, user should also avoid clicking on misleading ads and random links which redirects the victim to social media site.   

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  1. Spam emails: This browser hijacker gets into your computer through malicious email attachments in the spam emails tab. malicious infected attachments and download links in an unknown email.
  2. Carelessness-It gets installed when you click unintentionally on any infected link. Always pay attention while clicking on unsafe links or unknown links.  
  3. Torrents & P2P File Sharing: Online Ads are another common culprit. Torrent sites especially are well known for their tricks involving multiple fake download buttons. If you click on the wrong button you’ll get a file to download that is named exactly like the file you want. Unfortunately, what’s inside is actually the virus.
  4. Fake download websites are another wellspring of this programs. When you endeavor to download a file from such a webpage the name will fit, but the file that you have downloaded are really going to be loaded with infections, viruses, malwares and other threats. So, it is never a smart thought to open documents got from arbitrary sources without scanning them for infections first. Always keep an anti-virus program on your machine. 

 Also read-How to remove Snapdo& search.snapdo.com browser redirect virus

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Tips to prevent Necurs Trojan from entering your computer :

1. Enable your popup blocker: Pop-ups and ads in the websites are the most adoptable tactic used by cybercriminals or developers with the core intention to spread malicious programs. So, avoid clicking uncertain sites, software offers, pop-ups etc.

2. Keep your Windows Updated: To avoid such infections, we recommend that you should always keep your system updated through automatic windows update. By doing this you can keep your device free from virus. According to the survey, outdated/older versions of Windows operating system are an easy target.

3. Third-party installation: Try to avoid freeware download websites as they usually install bundled of software with any installer or stub file.

4. Regular Backup: Regular and periodical backup helps you to keep your data safe in case the system is infected by any kind of virus or any other infection. Thus always backup important files regularly on a cloud drive or an external hard drive.

5. Always have an Anti-Virus: Precaution is better than cure. We recommend that you install an antivirus like  McAfee or a good Malware Removal Tool like Download Free Virus RemovalTool

6. Install a powerful ad- blocker for  ChromeMozilla,and   IE.


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