JS: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.
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\
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.
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
- Guide 1: How to Remove JS:Iframe-CLO [Trj] from Windows.
- Guide 2: Get rid of JS:Iframe-CLO [Trj] on Mac OS X.
- Guide 3: Remove JS:Iframe-CLO [Trj] in Google Chrome.
- Guide 4: Erase JS:Iframe-CLO [Trj] from Mozilla Firefox.
- Guide 5: Uninstall JS:Iframe-CLO [Trj] from Microsoft Edge.
- Guide 6: Remove JS:Iframe-CLO [Trj] from Safari.
- Guide 7: Eliminate JS:Iframe-CLO [Trj] from Internet Explorer.
- Guide 8: Disable JS:Iframe-CLO [Trj] Push Notifications in Your Browsers.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
How to Remove JS:Iframe-CLO [Trj] from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove JS:Iframe-CLO [Trj]





Step 2: Uninstall JS:Iframe-CLO [Trj] 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:



Step 3: 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:



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 Stop Push Pop-ups
Get rid of JS:Iframe-CLO [Trj] from Mac OS X.
Step 1: Uninstall JS:Iframe-CLO [Trj] 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 JS:Iframe-CLO [Trj] 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 JS:Iframe-CLO [Trj] files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as JS:Iframe-CLO [Trj], 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 Stop Push Pop-ups
Remove JS:Iframe-CLO [Trj] 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 Stop Push Pop-ups
Erase JS:Iframe-CLO [Trj] 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 Stop Push Pop-ups
Uninstall JS:Iframe-CLO [Trj] 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 Stop Push Pop-ups
Remove JS:Iframe-CLO [Trj] 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 JS:Iframe-CLO [Trj] will be removed.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
Eliminate JS:Iframe-CLO [Trj] 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.
Remove Push Notifications caused by JS:Iframe-CLO [Trj] from Your Browsers.
Turn Off Push Notifications from Google Chrome
To disable any Push Notices from Google Chrome browser, please follow the steps below:
Step 1: Go to Settings in Chrome.
Step 2: In Settings, select “Advanced Settings”:
Step 3: Click “Content Settings”:
Step 4: Open “Notifications”:
Step 5: Click the three dots and choose Block, Edit or Remove options:
Remove Push Notifications on Firefox
Step 1: Go to Firefox Options.
Step 2: Go to “Settings”, type “notifications” in the search bar and click "Settings":
Step 3: Click “Remove” on any site you wish notifications gone and click “Save Changes”
Stop Push Notifications on Opera
Step 1: In Opera, press ALT+P to go to Settings
Step 2: In Setting search, type “Content” to go to Content Settings.
Step 3: Open Notifications:
Step 4: Do the same as you did with Google Chrome (explained below):
Eliminate Push Notifications on Safari
Step 1: Open Safari Preferences.
Step 2: Choose the domain from where you like push pop-ups gone and change to "Deny" from "Allow".