Complete tips to delete SampleCheck virus
SampleCheck generates revenue for its developers by displaying various intrusive ads and promoting a specific web search engine. Most users download and install ad-supporting and browser hijacking applications like this unknowingly. This is the reason why these are also called categorized as potentially unwanted applications.
Advertisements that SampleCheck display could be any from m coupons, banners, surveys and pop-ups and other forms possible on any website you visit. These ads can download pages for other PUAs or even malicious apps, various scams, shady sties asking you to provide personal information. These ads can also download and install unwanted software by running malicious scripts.
SampleCheck also functions as browser hijacker, meaning it makes alterations to the browsers’ settings to promote fake search engine. It changes the browsers’ homepage, new tab pages and search engine options. The users of the hijacked browsers are forced to visit the promoted URL all the time when they open their browsing tab and enter any queries on the URL search bar.
Fake web searchers typically do not generate their own search results. They display results generated by some legit web searchers. However, there are few illegitimate web searchers that can generate search results but they are often inappropriate and push unwanted and malicious sites through sponsored links and ads. Thus, such searching tools are just worthless to be used.
PUAs, including adware and browser hijackers, have common data tracking potential. They can track the day to day browsing session and collect the data include IP addresses, Search queries, Viewed pages, URLs visited, ISPs, Geo-locations and etc. These data could be shared with and/or sold to third parties and potent crooks.
To sum up, the presence of potentially unwanted apps can cause serious system infections, severe privacy issues, identity theft, monetary loss and even more severe consequences. To avoid any such issues from happening in future, you are strongly recommended to remove all suspicious apps and malicious extensions right away upon detection.
How did SampleCheck virus infiltrate in?
Most often, potentially unwanted apps are offered through downloaders or installers of other programs under Custom/Advanced section as additional components. The unwanted installations take place when users download or install programs without changing those settings.
Sometimes, users cause unexpected download/ installation by clicking on ads designed to run certain malicious scripts. Some of the PUAs also have official promotional/ download pages from where they can downloaded by thinking them as some useful apps to enhance browsing experience.
How to prevent PUAs installation?
Download applications from official websites and direct links. Avoid clicking on any ads that appear on questionable pages. Check downloaders/ installers that have settings for potentially unwanted apps and de-select them before finalizing the installation process.
It is paramount to have a reputable antivirus tool installed and used for regular scan. Also, keep this software updated with its latest virus database to get the best from it. If the system is already caused, we recommend you use some reputable antivirus tool to automatically remove SampleCheck from the system.
Remove Files and Folders Related to SampleCheck
Open the “Menu” bar and click the “Finder” icon. Select “Go” and click on “Go to Folder…”
Step 1: Search the suspicious and doubtful malware generated files in /Library/LaunchAgents folder
Type /Library/LaunchAgents in the “Go to Folder” option
In the “Launch Agent” folder, search for all the files that you have recently downloaded and move them to “Trash”. Few of the examples of files created by browser-hijacker or adware are as follow, “myppes.download.plist”, “mykotlerino.Itvbit.plist”, installmac.AppRemoval.plist”, and “kuklorest.update.plist” and so on.
Step 2: Detect and remove the files generated by the adware in “/Library/Application” Support folder
In the “Go to Folder..bar”, type “/Library/Application Support”
Search for any suspicious newly added folders in “Application Support” folder. If you detect any one of these like “NicePlayer” or “MPlayerX” then send them to “Trash” folder.
Step 3: Look for the files generated by malware in /Library/LaunchAgent Folder:
Go to Folder bar and type /Library/LaunchAgents
You are in the “LaunchAgents” folder. Here, you have to search for all the newly added files and move them to “Trash” if you find them suspicious. Some of the examples of suspicious files generated by malware are “myppes.download.plist”, “installmac.AppRemoved.plist”, “kuklorest.update.plist”, “mykotlerino.ltvbit.plist” and so on.
Step4: Go to /Library/LaunchDaemons Folder and search for the files created by malware
Type /Library/LaunchDaemons in the “Go To Folder” option
In the newly opened “LaunchDaemons” folder, search for any recently added suspicious files and move them to “Trash”. Examples of some of the suspicious files are “com.kuklorest.net-preferences.plist”, “com.avickUpd.plist”, “com.myppes.net-preference.plist”, “com.aoudad.net-preferences.plist” and so on.
Step 5: Use Combo Cleaner Anti-Malware and Scan your Mac PC
The malware infections could be removed from the Mac PC if you execute all the steps mentioned above in the correct way. However, it is always advised to be sure that your PC is not infected. It is suggested to scan the work-station with “Combo Cleaner Anti-virus”.
Once the file gets downloaded, double click on combocleaner.dmg installer in the newly opened window. Next is to open the “Launchpad” and press on “Combo Cleaner” icon. It is advised to wait until “Combo Cleaner” updates the latest definition for malware detection. Click on “Start Combo Scan” button.
A depth scan of your Mac PC will be executed in order to detect malware. If the Anti-virus scan report says “no threat found” then you can continue with guide further. On the other hand, it is recommended to delete the detected malware infection before continuing.
Now the files and folders created by the adware is removed, you have to remove the rogue extensions from the browsers.
Remove SampleCheck from Internet Browsers
Delete Doubtful and Malicious Extension from Safari
Go to “Menu Bar” and open “Safari” browser. Select “Safari” and then “Preferences”
In the opened “preferences” window, select “Extensions” that you have recently installed. All such extensions should be detected and click the “Uninstall” button next to it. If you are doubtful then you can remove all the extensions from “Safari” browser as none of them are important for smooth functionality of the browser.
In case if you continue facing unwanted webpage redirections or aggressive advertisements bombarding, you can reset the “Safari” browser.
Open the Safari menu and choose “preferences…” from the drop-down menu.
Go to the “Extension” tab and set the extension slider to “Off” position. This disables all the installed extensions in the Safari browser
Next step is to check the homepage. Go to “Preferences…” option and choose “General” tab. Change the homepage to your preferred URL.
Also check the default search-engine provider settings. Go to “Preferences…” window and select the “Search” tab and select the search-engine provider that you want such as “Google”.
Next is to clear the Safari browser Cache- Go to “Preferences…” window and select “Advanced” tab and click on “Show develop menu in the menu bar.“
Go to “Develop” menu and select “Empty Caches”.
Remove website data and browsing history. Go to “Safari” menu and select “Clear History and Website Data”. Choose “all history” and then click on “Clear History”.
Remove Unwanted and Malicious Plug-ins from Mozilla Firefox
Delete SampleCheck add-ons from Mozilla Firefox
Open the Firefox Mozilla browser. Click on the “Open Menu” present in the top right corner of the screen. From the newly opened menu, choose “Add-ons”.
Go to “Extension” option and detect all the latest installed add-ons. Select each of the suspicious add-ons and click on “Remove” button next to them.
In case if you want to “reset” the Mozilla Firefox browser then follow the steps that has been mentioned below.
Reset Mozilla Firefox Settings
Open the Firefox Mozilla browser and click on “Firefox” button situated at the top left corner of the screen.
In the new menu, go to “Help” sub-menu and choose “Troubleshooting Information”
In the “Troubleshooting Information” page, click on “Reset Firefox” button.
Confirm that you want to reset the Mozilla Firefox settings to default by pressing on “Reset Firefox” option
The browser will get restarted and the settings changes to factory default
Delete Unwanted and Malicious Extensions from Google Chrome
Open the chrome browser and click on “Chrome menu”. From the drop down option, choose “More Tools” and then “Extensions”.
In the “Extensions” option, search for all the recently installed add-ons and extensions. Select them and choose “Trash” button. Any third-party extension is not important for the smooth functionality of the browser.
Reset Google Chrome Settings
Open the browser and click on three line bar at the top right side corner of the window.
Go to the bottom of the newly opened window and select “Show advanced settings”.
In the newly opened window, scroll down to the bottom and choose “Reset browser settings”
Click on the “Reset” button on the opened “Reset browser settings” window
Restart the browser and the changes you get will be applied
The above mentioned manual process should be executed as it is mentioned. It is a cumbersome process and requires a lot of technical expertise. And hence it is advised for technical experts only. To be sure that your PC is free from malware, it is better that you scan the work-station with a powerful anti-malware tool. The automatic malware removal application is preferred because it doesn’t requires any additional technical skills and expertise.
Download the application and execute it on the PC to begin the depth scanning. Once the scanning gets completed, it shows the list of all the files related to SampleCheck. You can select such harmful files and folders and remove them immediately.