Step by Step Guide to Remove Costmin - Uninstall Costmin Completely

How annoying Costmin is ?

Basically, Costmin is still showing up in my Chrome browser extensions every time I restart the computer, The extension called "Costmin" is showing up in my Chrome browser constantly. I've deleted it from my extensions, but it still comes back almost every time I restart the computer. It's not something I can find on my "uninstall/change a program" list, so the only time I see it is under tools on Chrome. 

How to stubborn Costmin is ?

To protect itself, Costmin mutates frequently and uses random titles to name its key components. To completely remove Costmin, you need to remove all its harmful files, registries, dll, and processes. In this case, you can use the manual removal method to remove Costmin from your system, or download Spyhunter antivirus software which is designed specifically to deal with adware to permanently remove Costmin.

Harmful traits of Costmin:

•It may interfere with your browsing activities like triggering unstoppable pop up ads, stopping your computer from accessing the internet.

•It can slow down your overall computer performance by injecting more corrupted files on your computer.

•Unexplained system crash or blue screen.

•It may block your legit programs form running.

•It can monitor your online traces to report to the remote server.It can operate on your computer backdoor to invite other similar infections to come to your computer.

Effective methods to get rid of Costmin:

Method one: Manually remove Costmin 
Method two: Automatically remove Costmin easily with SpyHunter

Detail instruction (please perform all the steps in correct order)

Method one: Manually remove Costmin

1. End all the running processes of Costmin

Open task manager by pressing Alt+Ctrl+Del keys at the same time. Another way is to click on the Start button and choose Run option, then type taskmgr into and press OK.



Stop all the running processes about Costmin



2. Remove malicious add-on and extensions from your web browsers.

Internet Explorer:
(1). Click Start, type: Manage browser add-ons 
(2). Hit Enter on your keyboard
(3). Click Manage add-on and disable all the suspicious add-on.



Firefox: (1). Click the Firefox menu and click Add-on



(2). Click Extensions, select the related browser add-on and click Disable.

Google Chrome:
(1). Click the Customize and Control menu button →Tools→ click Extensions



3.Disable any suspicious startup items that are made by Costmin.

Windows Vista or Windows7: click start menu→type msconfig in the search bar → open System Configuration →Disable all possible startup items generated.

 

4. Clean cookies

Internet Explorer: Tools → Internet Options →the General tab, Delete the Cookies button can be directly seen in IE6, IE7 is to click the Delete Browsing History button then tick Cookies and click Delete.

Firefox: Tools → Options → Privacy → Remove Individual Cookies → Delete corresponding cookies in the cookies showing box.

Opera: Tools → Preferences → Advanced → Cookies →Delete corresponding cookies in Management Cookies.

5. Show all hidden files and clean all the malicious files about Costmin

(1).Click the Start button and choose Control Panel, clicking Appearance and Personalization, to find Folder Options then double-click on it.

(2).In the pop-up dialog box, click the View tab and uncheck Hide protected operating system files (Recommended).



(3). Clean all the malicious files about this infection as below.

%AllUsersProfile%\{random.exe\
%AllUsersProfile%\Application Data\
%AllUsersProfile%\random.exe
%AppData%\Roaming\Microsoft\Windows\Templates\random.exe
%Temp%\random.exe
%AllUsersProfile%\Application Data\random

6. Delete malicious registry entries related to this virus.

Open Registry Editor by pressing Window+R keys together.(another way is clicking on the Start button and choosing Run option, then typing into Regedit and pressing Enter. )



Delete all the vicious registries as below:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Run\random.exe"
HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\random
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run \Regedit32
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = 0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = 1
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\random

Method two: Automatically remove Costmin easily with SpyHunter

SpyHunter is a powerful, real-time anti-spyware application that designed to assist the average computer user in protecting their PC from malicious threats like worms, Trojans, rootkits, rogues, dialers, spyware,etc. It is important to note that SpyHunter removal tool works well and should run alongside existing security programs without any conflicts.

Step one: Click the Download icon to install SpyHunter in your PC.



Step two: After the installation, run SpyHunter and click “Malware Scan” button to have a full or quick scan on your PC.



Step three: Choose Select all>Remove to get rid of all the threats on your PC.

 

Note: Costmin should be removed as soon as possible, otherwise, you will not only can not surf the web freely, but also suffer from poor running speed, unstable internet connection and many other kinds of PC issues. If you haven’t sufficient expertise in manually dealing with program files, processes, .dll files and registry entries, it may lead to mistakes damaging your system permanently. If you are not very good at computer, you are recommended to download Spyhunter to automatically remove Costmin from your PC.

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