Corona Antivirus – Infected victims added to BlackNET Backdoor

Fake “Corona Antivirus” distributes BlackNET backdoor (Remote Administration Tool).
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What is Corona Antivirus?

Corona Antivirus by antivirus-covid19 can be correctly summarized as a BlackNET Backdoor.

Corona Antivirus is a BlackNET Backdoor. I found this scam via a website (antivirus-covid19.site) advertising “Corona Antivirus -World’s best protection.” That’s funny, cyber criminals are trying to get you to install a computer antivirus that supposedly protects against the actual COVID-19 virus infecting people.

Corona antivirus: 100% fake

Corona antivirus: 100% fake

Corona Antivirus Technical Summary.

NameCorona Antivirus
Vendorantivirus-covid19
TypeBlackNET Backdoor
Detection NameBackdoor.BlackNet
Short DescriptionBlackNET Backdoor. Developed by antivirus-covid19.site and targeted at Windows OS.
Distribution MethodSpam
Filesupdate.exe

Typical channels for Corona Antivirus infiltration.

There is a chance to download and install Corona Antivirus directly from its main websites, nevertheless, I really doubt that this will certainly be your choice. Most often, the application is spread out through intrusive advertisements produced by some adware, or via bundling with other free programs, whereas the information concerning the extra software is often not completely disclosed.

Thus, it is compulsory that you completely take a look at the license agreements and installation milestones during the setup steps of any kind of free program downloaded and install online.

If you have a choice to choose the “Advanced” or “Custom” installation then ensure you use this option to stop unauthorized installations.

Upon installing Corona Antivirus, your PC will be infected with backdoor. The file, packed with the commercial packer Themida turns your computer into a botnet. And now your device ready to receive commands from criminals:

instaboom-hello[.]site/connection.php
instaboom-hello[.]site/getCommand.php
instaboom-hello[.]site/receive.php

The C&C Server of Corona Antivirus placed at instaboom-hello[.]site reveals the control panel for the BlackNET botnet.

How to remove Corona Antivirus Backdoor?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Corona Antivirus files and other malicious programs. This process can take 5-10 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in the right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Corona Antivirus Backdoor you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Brendan Smith

Cybersecurity analyst with 15+ years digging into malware and threats, from early days reverse-engineering trojans to leading incident responses for mid-sized firms.

At Gridinsoft, I handle peer-reviewed breakdowns of stuff like AsyncRAT ransomware—last year, my guides helped flag 200+ variants in real scans, cutting cleanup time by 40% for users. Outside, I write hands-on tutorials on howtofix.guide, like step-by-step takedowns of pop-up adware using Wireshark and custom scripts (one post on VT alternatives got 5k reads in a month).

Certified CISSP and CEH, I’ve run webinars for 300+ pros on AI-boosted stealers—always pushing for simple fixes that stick, because nobody has time for 50-page manuals. Tools of the trade: Splunk for hunting, Ansible for automation, and a healthy dose of coffee to outlast the night shifts.

One Response

  1. NA August 12, 2020

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