What is Trojan:Win32/Cobaltstrike?

Trojan:Win32/Cobaltstrike is a computer virus that was made to attack MS Windows platform. This kind of threat can do several malicious actions on the infected computer at the command of an attacker. If Trojan:Win32/Cobaltstrike is detected on the computer, it means that the system is open to other kinds of attack and therefore, computer security experts suggest to perform immediate cleanup by scanning the computer with Windows Defender Antivirus, Microsoft Security Essentials, or Microsoft Safey Scanner depending on their availability on the system.

Threat Behavior

Trojan:Win32/Cobaltstrike spreads on the internet in various methods. It can arrive on the computer as part of spam emails or computer users may acquire it by visiting malicious websites or downloading executable files from this source. A separate Trojan infection could also drop Trojan:Win32/Cobaltstrike on the infected computer and aside from this one, there may also be another threat that the initial infection can inject. As such, it is important to regularly run a virus scan on the computer to catch and delete the threat in order to avoid further contamination with other malware.

When Trojan:Win32/Cobaltstrike is run on the computer, it drops a copy of itself on System folder of Windows. Then, registry entry is added that aims to run Trojan:Win32/Cobaltstrike during Windows start-up. This will regularly happen unless computer user acts on the removal of the virus.


Trojan:Win32/Cobaltstrike infection aims to exploit system vulnerabilities to further launch other attack. Presence of this virus also gives way for a remote attacker to perform other malicious actions on the computer.

List of Trojan:Win32/Cobaltstrike Variants
Version NameAlert LevelDate Added
Trojan:Win32/CobaltstrikeSevereMay 16, 2019
Trojan:Win32/Cobaltstrike!MSRSevereNov 11, 2019
Trojan:Win32/CobaltStrike.PA!MTBSevereDec 18, 2019
Trojan:Win32/CobaltStrike.SK!MTBSevereApr 19, 2020
Trojan:Win32/Cobaltstrike!MTBSevereJul 08, 2020
Trojan:Win32/Cobaltstrike.DK!MTBSevereJul 13, 2020
Trojan:Win32/Cobaltstrike.MK!MTBSevereJul 30, 2020
Trojan:Win32/Cobaltstrike.MB!MTBSevereAug 17, 2020
Trojan:Win32/CobaltStrike.CK!MTBSevereAug 27, 2020
Trojan:Win32/Cobaltstrike!mlSevereAug 31, 2020
Trojan:Win32/Cobaltstrike.AR!CertSevereOct 19, 2020
Trojan:Win32/Cobaltstrike.B!certSevereNov 12, 2020
For complete details including full list of Trojan:Win32/Cobaltstrike variants, please refer to this Microsoft Security Intelligence page

How to remove Trojan:Win32/Cobaltstrike?

To totally remove Trojan:Win32/Cobaltstrike from the computer and get rid of relevant virus and trojan, please execute the procedures as stated on this page. Make sure that you have completely scan the system with suggested malware removal tools and virus scanners.

Quick Fix - Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted PC security and optimization tool equipped with powerful virus and malware detection engine. This program can get rid of hazardous virus like Trojan:Win32/Cobaltstrike through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

CC for Windows Installation

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the signature file, please wait for this process to complete.

6. To begin checking for threats like Trojan:Win32/Cobaltstrike, click on the Start Scan button. Wait for this scan to finish.

CC for Windows Start Scan

7. At the end of the scan process, click on Remove all threats to delete Trojan:Win32/Cobaltstrike virus including all malicious objects from the computer.

Free features of Combo Cleaner for Windows include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus, privacy scanner, and to delete identified threats, users have to upgrade to a premium version.

Please continue with the succeeding removal procedures if your are comfortable to manually get rid of the virus and malicious items linked with it.

Stage 1 : Start Windows in Safe Mode With Networking

Windows 10 Guide

1. Click on Windows logo and select Power icon when options pop-ups.
2. Select Restart from the options while pressing Shift key on the keyboard.
3. Choose an Option window will appear, select the Troubleshoot button.
4. On next window, please choose Advanced Option.
5. On Advanced Option window, click on Startup Settings and then, click Restart button to reboot the computer.
6. When Windows boot on Startup Settings, press function key F5 or number 5 on keyboard.

A simpler alternative for Windows 10 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Windows 8 Guide

1. Click Windows Start icon at the lower left section of the screen.
2. Open Search window and type Advanced in the field. It will open General PC Settings.
3. Click on Advanced Startup and then, click on Restart Now button.
4. Once the computer starts in Advanced Startup option menu, select Troubleshoot.
5. Next, click on Advanced Options to reveal the next section.
6. Click Startup settings and then, click Restart button to boot the PC in Startup Settings.
7. Use function key F5 or number key 5 to Enable Safe Mode with Networking.

Stage 2 : Run a virus scanner

To remove Trojan:Win32/Cobaltstrike, we suggest that you scan the infected computer with this powerful virus removal tool. It can detect and get rid of Trojans, viruses, malware, and adware from the infected computer. To fully protect the computer against Trojan:Win32/Cobaltstrike or similar attack, you can activate Sophos to have real-time scanning and complete defense against all forms of threats.

1. Download Sophos Virus Removal Tool from the link below. Save the file on your computer where you can easily access it.

2. Once the download completes, browse the location of the file. Double-click to run the program and begin the install process.

3. On first windows of installation wizard, click Next to continue. Then, it will display the program’s License Agreement. You need to Accept the terms in order to proceed. If Windows prompts for User Account Control, please click Yes to proceed.

4. On succeeding windows, click Next or Continue to carry on with the installation. After completing the installation process, Launch Sophos Virus Removal Tool.

5. Internet connection is required when running this scanner in order to download important updates. Make sure that everything is up-to-date to effectively remove virus like Trojan:Win32/Cobaltstrike.

6. Click the  button to  carry out the Scan. This will check the system for presence of malicious objects, malware, and viruses. The tool reveals items that were found linked to Trojan:Win32/Cobaltstrike and other suspicious entities. Be sure to remove all identified threats.

Screenshot of Sophos Virus Scan

After executing the above instructions, Trojan:Win32/Cobaltstrike should have been eliminated totally from the computer. If there are still signs of infection or computer is displaying unusual behaviors, please continue with the remaining procedures.

Stage 2 :Double Check with Microsoft Security Apps

Microsoft Windows has built-in security application that you can use to double-check if computer is still infected with Trojan:Win32/Cobaltstrike. For Windows 8 and 10 users, please run Windows Defender. Users of Windows Vista and older versions can utilize Microsoft Security Essentials to remove Trojan:Win32/Cobaltstrike virus.

Windows 8 / 10 Instructions:

Windows Defender is a free tool that was built help you remove Trojan:Win32/Cobaltstrike, viruses, and other malicious items from Windows 8 or Windows 10 system. Follow these procedures to scan your computer with Windows Defender:

1. Tap or click the Search charm, search for defender, and then open Windows Defender.

If Windows Defender is not yet installed on the computer, please proceed to download page using the link below. It also contains detailed instruction to install and use the program effectively. Proper usage is required to totally remove Trojan:Win32/Cobaltstrike


2. On the Home tab, click Full under Scan Options. Click Scan now to start scanning for presence of Trojan:Win32/Cobaltstrike. The process may take a while to complete.


3. After the scan, delete/quarantine identified threats wether it is relevant to Trojan:Win32/Cobaltstrike or not. You may now restart Windows to complete the virus removal process.

Windows XP, Windows Vista, and Windows 7 Instructions:

1. Open Microsoft Security Essentials by going to Windows Start > All Programs. If the tool is not yet installed on the computer, please download Microsoft Security Essentials from the link below. Save the file on your hard drive.

Complete installation guide and usage are also provided on the same link. It is essential in removing Trojan:Win32/Cobaltstrike effectively. If Microsoft Security Essentials is already installed on the PC, please proceed with the steps below.

2. On Microsoft Security Essentials Home screen, please choose Full under Scan Options.

MSE Full Scan

3. Click on Scan Now button to start detecting Trojan:Win32/Cobaltstrike items, viruses, and malware on the PC. Scan may take a while, please be patient and wait for the process to end.

How to protect the computer from Trojan:Win32/Cobaltstrike?

The initial defense that comes to the mind of any computer users is to install an anti-virus or anti-malware program. This move is sensible and probably the most practical way to protect the computer against Trojan:Win32/Cobaltstrike attack. Hence, keep in mind that having a security software do not give full guarantee of protection. The most part of the prevention still lies on being cautious of users and therefore we are providing the following information as guidelines to protect the computer from virus infection.

Avoid Malicious Websites

There are enormous numbers of websites that was made for the primary purpose of spreading Trojan:Win32/Cobaltstrike. Normally, these sites are involved in integrating malicious pop-up and browser hijacker, that will eventually cause further virus infection. Avoid such kind of websites.

Delete Phishing Emails

The mass-mailing of computer viruses gives the attackers the luxury of spreading their malicious code in just one send off. This will arrive in the inbox as email that appears to be from a legitimate organization. So, if you receive an unexpected email with a link or an attached file, better delete it immediately.

Do Not Click a Suspicious Link

Links from social media, forums, and blog sites are sometimes being utilized by attackers to drive web users to a malicious page that contains malicious code. Therefore, do not just click on any link especially if it looks suspicious. Accidental access to the destination site may lead to Trojan:Win32/Cobaltstrike infection.

Be Careful When Downloading Files

Cracked software, serial key generators, and several freeware are seen as another method that spreads the Trojan:Win32/Cobaltstrike virus. Avoid acquiring these types of application and if there is a need to download a freeware or shareware, be sure to obtain it from the official website or trusted providers.

About the author

Leave a Comment

Your email address will not be published. Required fields are marked *

Copy link