Dev360 Cleaner is a potentially unwanted program that shows fake system errors
“Dev360 Cleaner virus” is a term used by less experienced users to describe a suspicious system optimized tool that has appeared on their computer out of the blue. The security experts, however, classify it as a potentially unwanted program. Even though this tool looks legitimate and is promoted as a useful application significantly enhancing the system’s performance, in reality, there are a lot of questionable features it possesses.
We have already mentioned that the program appears on the system unexpectedly, which might only suggest that it must have infiltrated it deceptively. In fact, Dev360 Cleaner uses the so-called bundling technique to get into the users' computers.
This method is mainly used in the distribution of potentially unwanted programs such as adware or browser hijackers. Therefore, it is rather suspicious when the supposedly legitimate program creators choose such deceptive marketing techniques. If you have never had any intention of downloading and using this program, remove Dev360 Cleaner from your computer unhesitatingly. Why waste your computer’s resources on a program you don’t need?

As we mentioned, Dev360 Cleaner is not a virus, but if it entered your computer unnoticed, potentially dangerous programs may have been installed the same way too, so we suggest scanning your computer with a reliable antivirus tool, such as SpyHunterCombo Cleaner or MalwarebytesMalwarebytes, after uninstalling this PUP.
However, some users may be tricked into thinking that this tool is actually useful. Once Dev360 Cleaner settles in the system it will start scanning the computer for errors and then provides the user with highly over-exaggerated results.
The scan shows hundreds of errors and the user is encouraged to purchase a full version of the program to fix them.
If the user does not agree immediately, the Dev360 Cleaner will schedule scans and keep informing about the critical state of the system. It is also questionable whether the full version of the software will be capable of eliminating these supposed threats as well.
The users' reports are not reassuring either. The Internet is full of complaints posted by the users who have downloaded this program on their computers, expecting this system optimizer to perform as promised but left disappointed by its actual performance
Therefore, if you see threatening notifications on your computer, we recommend you to start thinking about the Dev360 Cleaner removal rather than purchasing the full version of this questionable program. Besides, there are a number of acknowledged and tested tools that you can use instead. Just make sure you do a little research about them in advance. For example, if you want to fix system files, we recommend using FortectIntego.
Advanced installation method can help to avoid PUPs in the future
If you do not remember downloading or installing this program on your computer, it is likely that it infiltrated the system stealthily, using the already mentioned “bundling” technique. To elaborate more about this method, it should be pointed out that bundling is based on attaching the potentially unwanted programs to legitimate freeware or shareware applications. This way, the software bundle installs as a single program and the users have no idea that additional software has been added to the computer.
Luckily, there is a way to determine, whether the software package contains any extra components or not. In the downloaded software’s setup choose “Advanced” or “Custom” installation mode and follow the next steps carefully. Opt-out the unnecessary components and proceed with the installation only with the desired programs.
Remove Dev360 Cleaner from your PC
Since this application is not a virus, Dev360 Cleaner removal should not be too complicated. You simply have to uninstall it as you would with any other regular programs. Follow the steps below:
- Click Start → Control Panel → Uninstall a Program.
- When in the Add/Remove Programs/Uninstall a Program, look for Dev360 Cleaner and other unfamiliar programs.
- Click 'Uninstall' and then OK to save the changes.
However, if you keep seeing suspicious processes on your system after you remove Dev360 Cleaner from your computer, we recommend additionally scanning your device with professional antivirus software. There may be additional potentially unwanted programs or much more serious problems on your system.
Uninstall from Windows
Uninstall from Windows 10/8:
- Type Control Panel into the Windows search box and open the result.
- Under Programs, select Uninstall a program.

Uninstall from Windows 7/XP:
- Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
- In Control Panel, select Programs > Uninstall a program.

Remove the unwanted program:
- In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
- If User Account Control appears, click Yes to confirm, then complete the removal.

Delete from macOS
Remove the unwanted application:
- From the menu bar, select Go > Applications.
- In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).

Delete leftover files and folders:
- Select Go > Go to Folder.
- Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
- Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.

- Finally, empty the Trash to permanently remove the leftovers.
Reset Internet Explorer
Remove dangerous add-ons:
- Open Internet Explorer, click on the Gear icon (IE menu) on the top-right corner of the browser
- Pick Manage Add-ons.
- You will see a Manage Add-ons window. Here, look for suspicious plugins. Click on these entries and select Disable.

Change your homepage if it was altered:
- Open IE and click on the Gear icon.
- Select Internet Options.
- In the General tab, delete the Home page address and replace it by your preferred one (for example, Google.com).
- Click Apply and then select OK.

Delete temporary files:
- Press on the Gear icon and select Internet Options.
- Under Browsing history, click Delete...
- Select relevant fields and press Delete.

Reset Internet Explorer:
- Click on Gear icon > Internet options and select Advanced tab.
- Select Reset.
- In the new window, check Delete personal settings and select Reset.

Remove from Microsoft Edge
Delete unwanted extensions from MS Edge:
- Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
- From the list, pick the extension and click on the Gear icon.
- Click Remove.

Clear cookies and other browser data:
- Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
- Under Clear browsing data, pick Choose what to clear.
- Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.

Restore new tab and homepage settings:
- Click the menu icon and choose Settings.
- Then find On startup section.
- Click Remove next to any suspicious startup page.
Reset MS Edge if the above steps did not work:
- Press on Ctrl + Shift + Esc to open Task Manager.
- Click on More details arrow at the bottom of the window.
- Select Details tab.
- Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.

Instructions for Chromium-based Edge
Delete extensions from MS Edge (Chromium):
- Open Edge and click select Settings > Extensions.
- Delete unwanted extensions by clicking Remove.

Clear cache and site data:
- Click on Menu and go to Settings.
- Select Privacy, search and services.
- Under Clear browsing data, pick Choose what to clear.
- Under Time range, pick All time.
- Select Clear now.

Reset Chromium-based MS Edge:
- Click on Menu and select Settings.
- On the left side, pick Reset settings.
- Select Restore settings to their default values.
- Confirm with Reset.
- This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.

Remove from Mozilla Firefox (FF)
Remove dangerous extensions:
- Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
- Select Add-ons.
- In here, select the unwanted extension and click Remove.

Reset the homepage:
- Click three horizontal lines at the top right corner to open the menu.
- Choose Settings.
- Under Home, set your preferred homepage and new tab settings.
Clear cookies and site data:
- Click Menu and pick Settings.
- Go to Privacy & Security section.
- Scroll down to locate Cookies and Site Data.
- Click on Clear Data...
- Select Cookies and Site Data and Temporary cached files and pages, then click Clear.

Reset Mozilla Firefox
If clearing the browser as explained above did not help, reset Mozilla Firefox:
- Open Mozilla Firefox browser and click the Menu.
- Go to Help and then choose Troubleshooting Information.

- Under Give Firefox a tune up section, click on Refresh Firefox...
- Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.

Remove from Google Chrome
Delete malicious extensions from Google Chrome:
- Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
- In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.

Clear cache and web data from Chrome:
- Click on Menu and pick Settings.
- Under Privacy and security, select Clear browsing data.
- Select Browsing history, Cookies and other site data, as well as Cached images and files.
- Click Clear data.

Change your homepage:
- Click menu and choose Settings.
- Look for a suspicious site in the On startup section.
- Click on Open a specific or set of pages and click on three dots to find the Remove option.
Reset Google Chrome:
If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:
- Click on Menu and select Settings.
- In the Settings, scroll down and click Advanced.
- Scroll down and locate Reset and clean up section.
- Now click Restore settings to their original defaults.
- Confirm with Reset settings.

Delete from Safari
Remove dangerous extensions:
- Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
- Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.

Clear history and website data:
- Click Safari in the menu and pick Clear History.
- Set Clear to all history and confirm with Clear History.

Reset Safari:
- Click Safari in the menu and select Preferences > Advanced.
- Enable Show Develop menu in menu bar.
- From the menu bar, click Develop and select Empty Caches.

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