Is Winnti a Trojan horse? Does Winnti harm your computer? Can Winnti spread to other computers over a network?
Winnti is the name of a Trojan horse. An executable process related to the Winnti Trojan horse is involved in spreading it. That process might be hidden inside your operating system. Malware researchers have also discovered that it injects processes with malicious payloads and sets up drivers and services to work in its aid. The Winnti Trojan got inside your machine without your permission and could try to steal credential data and personal information from your computer. In addition, Winnti Trojan will set up a backdoor on your computer system that will be like a gateway for other malware. Thus, it is in your best interest to remove it as fast as you can.
Threat Summary
| Name | Winnti |
| Type | Trojan Horse, Miner Malware |
| Short Description | Winnti is a Trojan horse that is probably put in your computer system via a similar malware on your computer system. |
| Symptoms | You may see a rise in the usage of your computer’s resources like CPU, RAM or GPU, while your computer will accordingly consume more electric power and may even overheat if a cryptocurrency miner is involved. Otherwise, there are barely any symptoms most of the time, other than a significant system slowdown or frequent system crashes. |
| Distribution Method | Freeware Installations, Bundled Packages, JavaScript |
| Detection Tool |
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| User Experience | Join Our Forum to Discuss Winnti. |
Winnti Trojan – How Does It Spread and How Can I Prevent It From Placing a Backdoor?
The Winnti Trojan malware could spread through a few methods, the most effective of which is via third-party installation setups. Such installers usually come from bundled applications and freeware that is packed with additional features, set to be installed with some other software. The unpacking of anything additive could occur without any prior notification. You could have installed a video converter or some other free program and got your browser settings altered from this redirect. Winnti Trojan might also be delivered via exploit kits, or in files (typically using filenames related to popular keyword searches) which are downloaded from various malicious websites.
Malware researchers have discovered that the Winnti Trojan injects processes with malicious payloads and sets up drivers and services to work in its aid. The Winnti Trojan got inside your machine without your permission and could try to steal credential data and personal information from your computer. In addition, Winnti Trojan will set up a backdoor on your computer system that will be like a gateway for other malware.
Winnti Trojan is highly likely to make some additional components that will aid it to achieve its purpose to full effect. Some of them are known and have the following names:
- %System%\drivers\acplec.sys
- %System%\drivers\sp1itter.sys
Thus, after it being executed on the system, it may establish a remote connection via http or https to the following location:
- lp.apanku.com
- ad.jcrsoft.com
- rh.jcrsoft.com
- bot.timewalk.me
- b0t.meibu.com
The Trojan horse has a few aliases, known to security vendors, which are the following:
- Troj/Winnti-B
- Backdoor.Winnti
- TROJ_WINNTI.SM
- Trojan:Win32/Bledoor.A
- Win32/Winnti
Below you can see some useful tips that can help you to prevent similar Trojan malware from installing onto your PC, in the future:
- Run programs inside a sandbox environment
- Install an advanced anti-malware protection
- Update your mostly-used programs and software in general
- Update your OS with security updates
- Install an ad-blocker application
- Be wary around your e-mails and don’t open them unless you know the source
- Disable macros in Microsoft Office Applications
- Disable JavaScript
- Keep your firewall ON
Winnti Trojan will probably try to extract as much information as possible based on its capabilities and try to propagate further on a network to access other devices. It is highly recommend that you remove the malware threat, because the Winnti Trojan because its purpose it to open your computer for other malware threats to access it.
Remove Winnti Trojan Completely
To remove Winnti Trojan manually from your computer, follow the step-by-step removal tutorial written down below. In case this manual removal does not get rid of the miner malware completely, you should search for and remove any leftover items with an advanced anti-malware tool. Such software can keep your computer secure in the future.
Tsetso Mihailov
Tsetso Mihailov is a tech-geek and loves everything that is tech-related, while observing the latest news surrounding technologies. He has worked in IT before, as a system administrator and a computer repair technician. Dealing with malware since his teens, he is determined to spread word about the latest threats revolving around computer security.
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- Guide 1: How to Remove Winnti from Windows.
- Guide 2: Get rid of Winnti from Mac OS X.
- Guide 3: Remove Winnti from Google Chrome.
- Guide 4: Erase Winnti from Mozilla Firefox.
- Guide 5: Uninstall Winnti from Microsoft Edge.
- Guide 6: Remove Winnti from Safari.
- Guide 7: Eliminate Winnti from Internet Explorer.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
How to Remove Winnti from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Winnti
Step 2: Uninstall Winnti and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Follow the instructions above and you will successfully uninstall most programs.
Step 3: Clean any registries, created by Winnti on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Winnti there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Get rid of Winnti from Mac OS X.
Step 1: Uninstall Winnti and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Winnti via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove Winnti files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Winnti, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Remove Winnti from Google Chrome.
Step 1: Start Google Chrome and open the drop menu
Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"
Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.
Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Erase Winnti from Mozilla Firefox.
Step 1: Start Mozilla Firefox. Open the menu window
Step 2: Select the "Add-ons" icon from the menu.
Step 3: Select the unwanted extension and click "Remove"
Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Uninstall Winnti from Microsoft Edge.
Step 1: Start Edge browser.
Step 2: Open the drop menu by clicking on the icon at the top right corner.
Step 3: From the drop menu select "Extensions".
Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.
Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Remove Winnti from Safari.
Step 1: Start the Safari app.
Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.
Step 3: From the menu, click on "Preferences".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Winnti will be removed.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Eliminate Winnti from Internet Explorer.
Step 1: Start Internet Explorer.
Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'
Step 3: In the 'Manage Add-ons' window.
Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.
Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.
