Malware Anti-malware scan has found objects infected with PUP.Optional.DokoToolbar.A and I cannot get rid of it. I keep getting this “PUP.optional” malware result everytime I run the scanner. I’ve rebooted the computer to remove them, have done it from the safe mode with networking too, but on the next scan the PUPs are found again, usually at around or just over 500. That is really frustrating and I’ve never dealt with something that just immediately keeps coming back. What is it exactly? What does it do and most importantly how to get rid of it?
PUP.Optional.DokoToolbar.A belongs to be a member of PUP detections that is regarded as Potentially Unwanted Programs which can be added to a system without the user’s knowledge or approval. This potential threat usually hides within an executable file on an infected PC’s hard drive and it corrupts the targeted Internet browser by installing annoying toolbar like DokoToolbar or causing browser redirection. Also it may cause security issues for your PC indirectly, such as monitoring certain types of information or displaying potentially-dangerous pop-ups, tracing the affected computer user’s web browsing actions and so forth. In most cases, this PUP is installed via being bundled with unrelated programs and it could start as a plug-in to most hijacked Internet browsers. The agreement to install PUP.Optional.DokoToolbar.A virus is given on untick the box terms, and, naturally, many PC users reject making sure all the boxes are unchecked while loading numerous freeware/shareware programs from the Internet so that this PUP can be installed secretly.
Once it is running, it notably reduces your system resources and delivers numerous pop-up advertisements to your desktop whenever you go online. This unwanted program also also can be loaded alongside with other malware infections including Ransomware threats. In addition, you will notice that CPU usage is highly taken up and system runs in a very slow beat all the time. It is extremely hard to remove PUP.Optional.DokoToolbar.A virus completely from the computer because it adds malicious code to the system files and registry in order to escape from the deletion by most antivirus programs. When it is inside, it may track your surfing habits, collect data and send to a third party, even though some claim to gather non-evasive data. If you do not want to get money loss eventually or mess up your computer any further, it is suggested to get rid of PUP.Optional.DokoToolbar.A through manual removal process.
It can bypass the legit security tools and destroy your computer secretly.
It prevents you from opening some application because the files are corrupted.
It can make your browser redirected to all kinds of malicious websites.
It is able to allow remote hacker access the compromised system for illicit purpose.
From malicious drive-by-download scripts from corrupted porn and shareware / freeware websites.
Through spam email attachments, media downloads and social networks.
When clicking suspicious pop-ups or malicious links.
Open unknown email or download media files that contain the activation code of the virus.
Note: No matter how does the virus access your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely get rid of PUP.Optional.DokoToolbar.A virus, professional manual guide is needed.
Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.
1. Show hidden files and folders.
Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.
Click the View tab.
Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.
2. Open Registry entries. Find out the malicious files and entries and then delete all.
Attention: Always be sure to back up your PC before making any changes.
a. Press the “Start” button and then choose the option “Run”. In the “Open” field, type “regedit” and click the “OK” button.
b. All malicious files and registry entries that should be deleted:
%AllUsersProfile%Application Data.dll
%AllUsersProfile%Application Data.exe(random)
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun “[RANDOM]”
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun “[RANDOM].exe”
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun “Inspector”
PUP.Optional.DokoToolbar.A virus is a potentially unwanted program detected by Malwarebytes antivirus program. It mainly proliferates through compromised websites, also can be downloaded together with freeware software products. The virus can attack Windows computers that include Windows XP, Vista, Windows 7 and Windows 8. When it is installed, it can seriously affect web browsers installed on your computer like IE, Firefox and Chrome and make great change on computer settings. Thus, you will be forced to visit corrupted pages again and again and install DokoToolbar against your will. In that case, these malicious contents will find its way to track your online activity and use this information to deliver advertisements. This threat can bring other viruses to the computer without your consent to steal confidential information such as user name and passwords. It is highly recommended users to manually get rid of the infection from PC using the above instructions so that it won’t come back again.
If you cannot handle the manual removal yourself, please contact experts from Yoocare Online Tech Support for further help. 
Published by on October 29, 2013 1:38 am, last updated on November 6, 2013 4:32 am
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