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JS:Iframe-CLO [Trj] Detailed Description and Removal Options

Botnet-exampleJS:Iframe-CLO [Trj] is classified as a JavaScript Trojan horse that may seriously affect the Windows OS. Researchers suspect that the Trojan is spread via corrupted links and suspicious downloads. Opening malicious email attachments is another possible entrance for JS:Iframe-CLO [Trj]. Security forum members believe that the Trojan targets the Internet Explorer browser but more information is needed to confirm it. The quick removal of JS:Iframe-CLO [Trj] is recommended.

Download a System Scanner, to See If Your System Has Been Affected By JS:Iframe-CLO [Trj].

JS:Iframe-CLO [Trj] General Description and Threat Classification

Users have complained that once in the system, JS:Iframe-CLO [Trj] is running every time the computer starts. A Windows Script Host appears and says that “C:\Users\\miscrosofts.vbs” cannot be loaded because it is being approached by another process. Antivirus programs may be able to block the process but not the root of the threat.

Furthermore, the malicious script may be visiting certain websites that further worsen the computer’s state. There are also suspicions that JS:Iframe-CLO [Trj] may be connected to a botnet. A botnet is a number of connected PCs that have been arranged to forward malicious content to other computers. The curious thing is that the owners of the employed computers are unaware of the security breach and the data transmission. Botnets are often associated with Trojan horses set to perform automated spamming and denial-of-service attacks.

JS:iFrame-CLO [trj] Distribution Technique

JS:Iframe-CLO [Trj] may be employed to generate per-click revenue for its creators. An affected user has shared that he was unable to access his main page after incorporating an ad script promoted on an e-CPM (Cost per Millennium) advertising network. His AV solution displayed a message that his website was infected with JS:iFrame-CLO [trj]. Many other users and business owners have encountered the same problem after incorporating the malicious JavaScript.

JS:iFrame-CLO [trj] Distribution Removal Options

To get rid of the dangerous Trojan, affected users should run a powerful anti-malware program that runs in real time. Have a look at the steps provided below to clean the system.

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Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter

1. Start Your PC in Safe Mode to Remove JS:Iframe-CLO [Trj]

1. Start Your PC in Safe Mode to Remove JS:Iframe-CLO [Trj].

1. Remove all CDs and DVDs, and then Restart your PC from the “Start” menu.
2. Select one of the two options provided below:

For PCs with a single operating system: Press “F8” repeatedly after the first boot screen shows up during the restart of your computer. In case the Windows logo appears on the screen, you have to repeat the same task again.

For PCs with multiple operating systems: Тhe arrow keys will help you select the operating system you prefer to start in Safe Mode. Press “F8” just as described for a single operating system.

3. As the “Advanced Boot Options” screen appears, select the Safe Mode option you want using the arrow keys. As you make your selection, press “Enter“.
4. Log on to your computer using your administrator account

While your computer is in Safe Mode, the words “Safe Mode” will appear in all four corners of your screen.

2. Remove JS:Iframe-CLO [Trj] automatically with Spy Hunter Malware - Removal Tool.

2. Remove JS:Iframe-CLO [Trj] automatically with Spy Hunter Malware – Removal Tool.

To clean your computer with the award-winning software Spy Hunter – donload_now_140
It is highly recommended to run a system scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter.

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Preparation before removing JS:Iframe-CLO [Trj].

Before starting the actual removal process, we recommend that you do the following preparation steps.

  • Make sure you have these instructions always open and in front of your eyes.
  • Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
  • Be patient as this could take a while.
  • Scan for Malware
  • Fix Registries
  • Remove Virus Files

Step 1: Scan for JS:Iframe-CLO [Trj] with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter 5 Scan Step 1


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter 5 Scan Step 2


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter 5 Scan Step 3

If any threats have been removed, it is highly recommended to restart your PC.

Step 2: Clean any registries, created by JS:Iframe-CLO [Trj] 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 JS:Iframe-CLO [Trj] there. This can happen by following the steps underneath:


1. Open the Run Window again, type "regedit" and click OK.
Remove Virus Trojan Step 6


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
Remove Virus Trojan Step 7


3. You can remove the value of the virus by right-clicking on it and removing it.
Remove Virus Trojan Step 8 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.

Step 3: Find virus files created by JS:Iframe-CLO [Trj] on your PC.


1.For Windows 8, 8.1 and 10.

For Newer Windows Operating Systems

1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.

Remove Virus Trojan Step 9

2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.

Remove Virus Trojan Step 10

3: Navigate to the search box in the top-right of your PC's screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be "fileextension:exe". After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:

file extension malicious

N.B. We recommend to wait for the green loading bar in the navigation box to fill up in case the PC is looking for the file and hasn't found it yet.

2.For Windows XP, Vista, and 7.

For Older Windows Operating Systems

In older Windows OS's the conventional approach should be the effective one:

1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.

Remove Virus Trojan

2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.

Remove Virus Trojan Step 11

3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.

Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.

JS:Iframe-CLO [Trj] FAQ

What Does JS:Iframe-CLO [Trj] Trojan Do?

The JS:Iframe-CLO [Trj] Trojan is a malicious computer program designed to disrupt, damage, or gain unauthorized access to a computer system.

It can be used to steal sensitive data, gain control over a system, or launch other malicious activities.

Can Trojans Steal Passwords?

Yes, Trojans, like JS:Iframe-CLO [Trj], can steal passwords. These malicious programs are designed to gain access to a user's computer, spy on victims and steal sensitive information such as banking details and passwords.

Can JS:Iframe-CLO [Trj] Trojan Hide Itself?

Yes, it can. A Trojan can use various techniques to mask itself, including rootkits, encryption, and obfuscation, to hide from security scanners and evade detection.

Can a Trojan be Removed by Factory Reset?

Yes, a Trojan can be removed by factory resetting your device. This is because it will restore the device to its original state, eliminating any malicious software that may have been installed. Bear in mind, that there are more sophisticated Trojans, that leave backdoors and reinfect even after factory reset.

Can JS:Iframe-CLO [Trj] Trojan Infect WiFi?

Yes, it is possible for a Trojan to infect WiFi networks. When a user connects to the infected network, the Trojan can spread to other connected devices and can access sensitive information on the network.

Can Trojans Be Deleted?

Yes, Trojans can be deleted. This is typically done by running a powerful anti-virus or anti-malware program that is designed to detect and remove malicious files. In some cases, manual deletion of the Trojan may also be necessary.

Can Trojans Steal Files?

Yes, Trojans can steal files if they are installed on a computer. This is done by allowing the malware author or user to gain access to the computer and then steal the files stored on it.

Which Anti-Malware Can Remove Trojans?

Anti-malware programs such as SpyHunter are capable of scanning for and removing Trojans from your computer. It is important to keep your anti-malware up to date and regularly scan your system for any malicious software.

Can Trojans Infect USB?

Yes, Trojans can infect USB devices. USB Trojans typically spread through malicious files downloaded from the internet or shared via email, allowing the hacker to gain access to a user's confidential data.

About the JS:Iframe-CLO [Trj] Research

The content we publish on SensorsTechForum.com, this JS:Iframe-CLO [Trj] how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific trojan problem.

How did we conduct the research on JS:Iframe-CLO [Trj]?

Please note that our research is based on an independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware definitions, including the various types of trojans (backdoor, downloader, infostealer, ransom, etc.)

Furthermore, the research behind the JS:Iframe-CLO [Trj] threat is backed with VirusTotal.

To better understand the threat posed by trojans, please refer to the following articles which provide knowledgeable details.

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