1Click System Mechanic Unwanted Application
Written by Tomas Meskauskas on (updated)
What is 1Click System Mechanic?
Developers present 1Click System Mechanic as legitimate software that helps to optimize computers and remove various errors/infections.
On initial inspection, 1Click System Mechanic may seem legitimate and useful, however, this software is promoted using fake error-displaying websites. In some cases, it infiltrates systems without permission. In addition, 1Click System Mechanic gives no real value for regular users and is thus categorized as a potentially unwanted program (PUP).
1Click System Mechanic provides functionality to perform full system scan. Once the system is 'scanned', users are prompted with a list containing hundreds of 'system issues' that must be resolved immediately. It is stated that 1Click System Mechanic's "free version" is not capable of resolving these issues and users are encouraged to purchase the "full version".
Be aware that the entire list of errors is false - your system is likely to be completely optimized and virus-free. Developers attempt to trick users into purchasing the full version, which gives no value. It will simply clean the false list and nothing more. Therefore, never pay for the full version and uninstall this app immediately.
As mentioned above, 1Click System Mechanic is likely to infiltrate systems without permission. There is a high probability that it will have been installed together with a number of other PUPs.
Research shows that these programs typically do three things: 1) feed users with intrusive ads [adware]; 2) modify web browser options [browser hijackers], and; 3) gather sensitive information. As with 1Click System Mechanic, these apps are completely useless and, therefore, should be uninstalled.
| Name | 1Click System Mechanic potentially unwanted program |
| Threat Type | PUP (potentially unwanted program), PUA (potentially unwanted application) |
| Symptoms | A program that you don't recall installing suddenly appeared on your computer. New application is performing computer scans and displays warning messages about found issues. Asks for payment in order to eliminate the supposedly found errors. |
| Distribution methods | Deceptive pop-up ads, free software installers (bundling), fake flash player installers. |
| Damage | Monetary loss (unnecessary purchase of fake software), unwanted warning pop-ups, slow computer performance. |
| Malware Removal (Windows) | To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. |
1Click System Mechanic is virtually identical to PC Accelerator, Advanced PC Care, PCMax, and many other PUPs. In fact, all potentially unwanted programs are very similar.
By offering various functionality, PUPs attempt to trick users to install, however, since their only purpose is to generate revenue for the developers, they simply generate intrusive ads (via the "Pay Per Click" [PPC] advertising model), change browser settings (promotion of malicious sites), record user-system information, and (in this case) promote in-app purchases.
How did 1Click System Mechanic install on my computer?
This PUP has an official download website, however, it is also promoted using fake errors, "bundling", and intrusive advertising methods. Fake errors are displayed by various malicious sites. They claim that the system is damaged or corrupted and encourage users to download repair tools (such as 1Click System Mechanic).
"Bundling" is stealth installation of third party apps together with regular software/apps. Developers do not disclose these installations properly.
Therefore, "bundled" apps are hidden within "Custom/Advanced" settings or other sections of the download/installation processes. Intrusive ads redirect users to malicious sites and often execute scripts designed to download and install malware/PUPs.
Therefore, skipping download/installation processes, clicking ads, and downloading software without understanding the possible consequences, often leads to inadvertent installation of PUPs such as 1Click System Mechanic.
How to avoid installation of potentially unwanted applications?
The main reasons for computer infections are poor knowledge and careless behavior. The key to safety is caution. Therefore, pay close attention when browsing the Internet and downloading/installing software. Never believe that errors displayed by these rogue sites are genuine.
If you are concerned about computer safety, download a reputable anti-virus/anti-spyware suite and perform a system scan. Furthermore, bear in mind that intrusive ads typically seem legitimate, but most lead to dubious websites (gambling, pornography, adult dating, and so on).
If you experience these ads, immediately remove all dubious applications and browser plug-ins. We also strongly recommend that you carefully analyze each step of the download/installation processes and opt-out of all additionally-included programs.
Furthermore, download software from official sources only, using direct download links - never use third party downloaders/installers, since criminals often monetize them by promoting PUPs.
1Click System Mechanic PUP installation setup:
Screenshot of 1Click System Mechanic PUP:
Fake error promoting 1Click System Mechanic PUP:
Instant automatic malware removal:
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Quick menu:
- What is 1Click System Mechanic?
- STEP 1. Uninstall 1Click System Mechanic application using Control Panel.
- STEP 2. Remove adware from Internet Explorer.
- STEP 3. Remove rogue plug-ins from Google Chrome.
- STEP 4. Remove adware-type extensions from Mozilla Firefox.
- STEP 5. Remove malicious extensions from Safari.
- STEP 6. Remove rogue plug-ins from Microsoft Edge.
1Click System Mechanic adware removal:
Windows 11 users:
Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.
Windows 10 users:
Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.
Windows 7 users:
Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.
macOS (OSX) users:
Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.
In the uninstall programs window, look for "1Click~System~Mechanic", select this entry and click "Uninstall" or "Remove".
After uninstalling the potentially unwanted program that causes 1Click System Mechanic ads, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove adware from Internet browsers:
At time of research, 1Click System Mechanic did not install its browser plug-ins on Internet Explorer, Google Chrome, or Mozilla Firefox, however, it was bundled with other adware. Therefore, you are advised to remove all potentially unwanted browser add-ons from your Internet browsers.
Video showing how to remove potentially unwanted browser add-ons:
Remove malicious add-ons from Internet Explorer:
Click the "gear" icon 
(at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious browser extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the 1click system mechanic potentially unwanted program, reset your Internet Explorer settings to default.
Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.
Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.
Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.
In the opened window, select the Advanced tab.
Click the Reset button.
Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.
Remove malicious extensions from Google Chrome:
Click the Chrome menu icon 
(at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons, select these entries and click the trash can icon.
Optional method:
If you continue to have problems with removal of the 1click system mechanic potentially unwanted program, reset your Google Chrome browser settings. Click the Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plug-ins from Mozilla Firefox:
Click the Firefox menu 
(at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove all recently-installed suspicious browser plug-ins.
Optional method:
Computer users who have problems with 1click system mechanic potentially unwanted program removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.
Optional method:
Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge menu icon 
(at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.
Optional method:
If you continue to have problems with removal of the 1click system mechanic potentially unwanted program, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Summary:
Commonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.
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