How DO I Remove PUP.Optional.DokoToolbar.A?

Other Problems Caused by PUP.Optional.DokoToolbar.A

1. It takes excessively long time to get into Windows; System operation become very slowly, and you can see high CPU usage (i.e. 90% CPU usage) in Task Manager even when you just launches your system.

2. Windows updates will not install successfully;

3. Windows Security Center, Windows Firewall or third party firewall software has been disabled

4. Documents and files suddenly disappear (removed by the virus); some folders cannot be opened;

5. Lots of ads pop-ups are bombarding you o rand your browser meets re-directs problems;

6. Some of your programs start to become invalid; and some unknown programs are installed silently;

7. The computer restarts randomly and unexpectedly; you get more and more system crash and random BSOD, etc.

8. Windows does not startup, and a message is shown stating: “…system files are missing.”

9. You are suddenly receiving more spam to your email inbox(s)

10. Sounds may play randomly, from the computer speakers.

What is PUP.Optional.DokoToolbar.A?

PUP.Optional.DokoToolbar.A is a detection mechanism created to identify new malware threats without using the conventional signatures. As long as this infection comes out, it immediately makes some changes on system files. It may inject a code onto legitimate system processes. Some will just drop essential files on various folders of Windows. Once installed, it will take full control over your PC by modifying the settings of the system. Like other Trojan, it will corrupt files and add values in the system registry. so you may get a totally strange computers.

PUP.Optional.DokoToolbar.A also can trigger a lot of unwanted pop-up ads or links, but also can lead you to other unwanted websites when you are surfing the internet. Moreover, it tracks user's Internet browsing by recording IP address, unique identifier number, operating system, browser, and other software information, web page URLs visited, search queries entered, and other information.

Here are two effective methods to get rid of PUP.Optional.DokoToolbar.A permanently from your system, follow the steps to get rid of PUP.Optional.DokoToolbar.A right now.

Method 1: Manual Removal Guides:

1.Reboot the PC and keep pressing F8 key on the keyboard upon PC startup but before logging in. Hit the arrow keys to choose "Safe Mode with Networking" option, and then tap Enter key to enter Safe Mode with Networking.

2.Find Ctrl, Alt, and Delete these 3 keys and then press them together to open task manager to end the process related to this Trojan, the name of the process of it is random.

3.Try to find Folder Options in Control Panel, select the View tab, and then tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.

4.Open Registry entries. Search malicious files and registry entries related to PUP.Optional.DokoToolbar.A and then remove all of them.

5. Delete all add-ons related to PUP.Optional.DokoToolbar.A from the browsers

Google Chrome Click on wrench icon-> locate Tools-> click on Extensions-> click on the bin icon or uncheck the items related to PUP.Optional.DokoToolbar.A.

Internet Explorer Click Tools>select "Manage Add-ons">"search providers">set Yahoo or other reputable search engine as your default one>go to "search results">remove its add-ons

Mozilla Firefox

Click on Firefox button-> click on Add-ons-> search for all the extensions of PUP.Optional.DokoToolbar.A from the list-> click on the Remove button on each line.

Video Show:

Method 2: Automatically get rid of PUP.Optional.DokoToolbar.A with Spyhunter. (Download Removal Tool Now) SpyHunter can detect, remove and block spyware, rootkits, adware, keyloggers, cookies, trojans, worms and other types of malware. You could follow the virus removal guides below to clean up threats.

1)Download SpyHunter directly.(Free Download Now)

2)Click “Malware Scan” button to have a full or quick scan on your PC after you properly install SpyHunter.

3)Select the detected malicious files after your scanning.

4)Click “Remove” button on the right side to remove all threats.

Conclusion

PUP.Optional.DokoToolbar.A is a nasty virus that pulls down the computer performance and security level. It is able to insert its codes into the system which allows it to adhere to the computer even though you have an antivirus program or do a system restore. More and more other viruses will be implanted into the infected computer to further mess up the computer. The cyber criminals are able to access your computer easily to acquire your confidential information. You shall have it removed timely.