Trojan:Win32/Ymacco is a computer virus that may infect the system through another Trojan Downloader. It could also be that the infection occurs when a web user visits a malicious website or have downloaded an infected executable file from the said location. Once computer is infected with Trojan:Win32/Ymacco, it can be the source of additional threats, especially more hazardous ones like ransomware attacks.

Image of Trojan:Win32/Ymacco

How does it infect the computer?

Trojan:Win32/Ymacco normally infects the computer via a different method that attackers are using while exploiting different channels of online distribution. It could pass from the attacker’s server to random computers by means of a mass-mailing campaign. The presence of Trojan:Win32/Ymacco was also found on various malicious websites, particularly those that engage in the illegal distribution of copyrighted materials such as software, movies, and music files. Simply visiting the mentioned site would run the script that would inject Trojan:Win32/Ymacco on the visitor’s computer. Another way is by downloading software or any executable file, which may also launch the Trojan:Win32/Ymacco infection.

When run on the computer, Trojan:Win32/Ymacco will drop files on the computer, particularly in the System folder of Windows. Then, it makes sure to run the virus code on each Windows start-up by adding a registry entry using the “RUN” command. Trojan:Win32/Ymacco also executes a file-dropping routine on infected computers, where it will make copies of itself in the Temp folder of each Windows user account.

How does this malware operate?

Trojan:Win32/Ymacco was observed to be contaminating the computer, and later on, it blew up the presence of a ransomware infection. Therefore, Trojan:Win32/Ymacco serves as the advanced party for ransomware attacks. Its ability to conceal itself from the computer allows it to carry out various malicious functions without being detected by security software. Later on, it will communicate with a remote server to download a ransomware module that will encrypt files on the infected system.

Some examples of hazardous ransomware that were identified with this signature include Pulpit, Lizard, Mmpa, Satan Cryptor, 2020END (Zeoticus 2.0), 360eyao, RansomeToad, RIP Imao, Ziggy. Judge.

List of Trojan:Win32/Ymacco Variants
Version Name Alert Level Date Added
Trojan:Win32/Ymacco.AA07 Severe May 28, 2020
Trojan:Win32/Ymacco.AACE Severe Jun 12, 2020
Trojan:Win32/Ymacco.AA93 Severe Jun 13, 2020
Trojan:Win32/Ymacco is also detected as:
F-Secure Trojan.TR/ATRAPS.Gen
Fortinet W32/Fareit.A
Ikarus Trojan.ATRAPS
Malwarebytes MachineLearning/Anomalous.94%
McAfee GenericRXBM-BM!BF6D103D5848
Sophos Mal/Generic-S
Symantec ML.Attribute.HighConfidence
TrendMicro Trojan.Win32.YMACCO.USXVPFH20
Yandex Trojan.ATRAPS!IbliHrv8mIM

How to remove Trojan:Win32/Ymacco?

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

Step 1 : Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted computer security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of computer virus like Trojan:Win32/Ymacco 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.

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

5. The tool will update the database file; please wait for this process to complete.

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

Screenshot of Combo Cleaner PC

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

To fully optimize the features of antivirus and privacy scanners, users may have to upgrade to the premium version.

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

Step 2 : Start Windows in Safe Mode With Networking

The method of running Windows in Safe Mode before running a virus scan is effective in getting rid of Trojan:Win32/Ymacco. This process can prevent most viruses and malware from loading, making it easier to detect and remove them.

1. On the Windows Search bar, please type msconfig.

Screenshot of Win 11 Search

2. Select and open System Configutation on the list of found results.

3. Once you are in the System Configuration window, go to the Boot tab.

Screenshot of Msconfig Win 11

4. Under the Boot Options area, please check Safe Boot so that it starts in Safe Mode after restarting.

5. Next, select Network. This will allow Windows to boot in Safe Mode with Networking.

6. Lastly, click on Apply and OK to save the changes.

7. Please restart Windows.

Do not forget to restore the normal boot process of Windows after running the virus scan. Simply repeat the method above, and this time, uncheck the Safe Boot option to run Windows normally.

Step 3 : Run Sophos Home Virus Scanner

To remove Trojan:Win32/Ymacco automatically, scanning the computer with this powerful virus and malware removal tool is recommended. This scanner does not just uncover known threats like viruses or malware; it is also effective in discovering harmful files associated to Trojan:Win32/Ymacco.

1. Please click on the link below to download the program.

2. After downloading, locate the file SophosInstall.exe in the Downloads folder.

3. Install by double-clicking on the file.

4. If it prompts "Do you want to allow this app to make changes on your device?" please click Yes.

5. Next, it will display the Terms and Conditions page. Click the Install button to begin.

Screenshot of Terms by Sophos Home

6. Run the installation with the default settings. Please note that an internet connection is required in order to download important updates.

7. After finishing the installation, you must login to the dashboard. If you already have a Sophos account, please login. Otherwise, please enter your details and click on the Create Account button.

8. Once you are in the Sophos Home console, click the Scan button to start checking the computer for Trojan:Win32/Ymacco components.

Screenshot of Sophos Home

9. Scanning may take a while; please wait for this process to finish.

10. After scanning the computer, Sophos Home will start cleaning or deleting files infected with Trojan:Win32/Ymacco.

11. You may now close Sophos Home. The computer is now free from Trojan:Win32/Ymacco, as well as associated malware and viruses.

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

Another alternative for Windows 10/11 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Step 4 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with Trojan:Win32/Ymacco. For Windows 10/11 users, please run Windows Security.

Windows 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove Trojan:Win32/Ymacco, viruses, and other malicious items from Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm and search for Windows Security

2. Click Open to run the program.

Screenshot of Win 11 Search

3. On the Dashboard, click Virus and threat protection from the sidebar.

Screenshot of Win 11 Virus Protection

4. On the right panel, click on Scan Options to see different levels of checking the computer.

5. Next, please select Full Scan button.

Screenshot of Full Scan Win 11

6. Lastly, click on the Scan now button to start scanning for the presence of Trojan:Win32/Ymacco. The process may take a while to complete.

7. After the scan, Delete/Quarantine identified threats, whether they were relevant to Trojan:Win32/Ymacco or not. You may now restart Windows to complete the virus removal process.

For Windows 8.1 and Windows 7, you can scan the computer for free with the Microsoft Malicious Software Removal Tool (MSRT 64-Bit). It is a stand-alone virus scanner tool that targets prevalent malware groups.

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1 thought on “Trojan:Win32/Ymacco”

  1. Windows Defender detects Win32/Ymacco.ACC7 every time I tried to download a new version of BitComet. After reading this article, I won’t use Bitcomet anymore.

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