How to Remove Disk Optimizer (Uninstall Guide)

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Disk Optimizer is a rogue computer optimization program that pretends to scan your computer for outdated/missing drivers, registry and hard drive errors. After the fake scan, it reports eleven critical system errors, file integrity problems and private data safety issues that can be fixed only with a full version of this program. Disk Optimizer blocks other applications on your computer but if you attempt to run a program enough times it will eventually work. As a typical rogue program, it also displays fake security alerts, system error warnings and notifications from Windows task bar saying Windows can't find hard disk space or that you are running very low disk space on local disk. Just like the fake scan results, these alerts are designed to scare you into purchasing the bogus program; profit is the main motivation for these scammers. If you somehow ended up with Disk Optimizer malware on your computer, please remove it immediately. Thankfully, we've got the removal instructions to help you to remove Disk Optimizer and related malware for free using safe and reliable anti-malware software. Please follow the steps in the removal guide below.

Disk Optimizer is a re-branded version of Good Memory, Disk OK and My Disk scareware. This one is already 26th fake disk defragmenter from the same family. Once installed it will state that your hard drive is in danger, RAM memory also in danger and proactive data protection is disabled. Here are some of the fake errors that Disk Optimizer reports after the fake scan:

Data Safety Problem. System integrity is at risk.
32% of HDD space is unreadable
Drive C initializing error
Hard drive doesn't respond to system commands
Registry Error - Critical Error

The fake error message that you will see when you attempt to run a program is:

The text of some of the alerts you may see include:

Critical Error
Hard Drive not found. Missing hard drive.

Critical Error
Windows can't find hard disk space. Hard drive error

Low Disk Space
You are running very low disk space on Local Disk (C:).

At some point, Disk Optimizer may even restart your computer and hide your desktop icons leaving you with the fake scanner window and black background with no task bar.

Disk Optimizer also has a support center. I think that may actually get some help there because scammers provide support just like any other normal company.

If you choose to purchase a full version of the program you will get your activation code and Disk Optimizer won't report any hard drive/registry problems anymore.

It goes without saying that Disk Optimizer is a rip-off rogue that uses misleading methods to scare inexperienced Internet users into purchasing it. Do not fall for this. If you have already purchased Disk Optimizer, please contact your credit card company and tell them that this program is a virus. Then please follow the removal instructions below to remove Disk Optimizer malware. If you have any questions about removal process or the rogue program itself, please leave a comment. Please also inform your friends about this infection. Good luck and be safe online!

Disk Optimizer removal instructions:

1. Download Process Explorer. (click the link and wait for few seconds, download will begin automatically)
2. End Disk Optimizer processes, e.g. bbCoMkxBPxNRNFy.exe or YEdNuKUZVNoX.exe.

OR just rename/delete files related to Disk Optimizer. Files are located in %AllUserProfile% folder. See the list at the end of this page for more details. Disk Optimizer files in Windows XP: (note: by default, Application Data folder is hidden. If you can't see such folder/files, please read Show Hidden Files and Folders in Windows)

3. Download free anti-malware software from the list below and run a full system scan.

NOTE: in some cases the rogue program may block anti-malware software. Before saving the selected program onto your computer, you may have to rename the installer to iexplore.exe or winlogon.exe With all of these tools, if running Windows 7 or Vista they MUST be run as administrator. Launch the program and follow the prompts. Don't forget to update the installed program before scanning.

4. New threats appear every day. In order to protect your PC from such (new) infections we strongly recommend you to use ESET NOD32 Antivirus.

Disk Optimizer removal instructions (in Safe Mode with Networking):

1. Reboot your computer is "Safe Mode with Networking". As the computer is booting tap the "F8 key" continuously which should bring up the "Windows Advanced Options Menu" as shown below. Use your arrow keys to move to "Safe Mode with Networking" and press Enter key. Read more detailed instructions here: http://www.computerhope.com/issues/chsafe.htm

NOTE: Login as the same user you were previously logged in with in the normal Windows mode.

2. Download free anti-malware software from the list below and run a full system scan.

NOTE: in some cases the rogue program may block anti-malware software. Before saving the selected program onto your computer, you may have to rename the installer to iexplore.exe or winlogon.exe With all of these tools, if running Windows 7 or Vista they MUST be run as administrator. Launch the program and follow the prompts. Don't forget to update the installed program before scanning.

3. New threats appear every day. In order to protect your PC from such (new) infections we strongly recommend you to use ESET NOD32 Antivirus.

Disk Optimizer associated files and registry values:

Files:

Windows XP:

%AllUsersProfile%\Application Data\[SET OF RANDOM CHARACTERS]
%AllUsersProfile%\Application Data\~[SET OF RANDOM CHARACTERS]
%UsersProfile%\Local Settings\Application Data\[SET OF RANDOM CHARACTERS].lic
%AllUsersProfile%\Application Data\[SET OF RANDOM CHARACTERS].dll
%AllUsersProfile%\Application Data\[SET OF RANDOM CHARACTERS].exe
%UsersProfile%\Desktop\Disk Optimizer.lnk
%UsersProfile%\Start Menu\Programs\Disk Optimizer\
%UsersProfile%\Start Menu\Programs\Disk Optimizer\Disk Optimizer.lnk
%UsersProfile%\Start Menu\Programs\Disk Optimizer\Uninstall Disk Optimizer.lnk

%AllUsersProfile% refers to: C:\Documents and Settings\All Users
%UserProfile% refers to: C:\Documents and Settings\[User Name]

Windows Vista/7:

%AllUsersProfile%\[SET OF RANDOM CHARACTERS]
%AllUsersProfile%\~[SET OF RANDOM CHARACTERS]
%AllUsersProfile%\[SET OF RANDOM CHARACTERS].lic
%AllUsersProfile%\[SET OF RANDOM CHARACTERS].dll
%AllUsersProfile%\[SET OF RANDOM CHARACTERS].exe
%UsersProfile%\Desktop\Disk Optimizer.lnk
%UsersProfile%\Start Menu\Programs\Disk Optimizer\
%UsersProfile%\Start Menu\Programs\Disk Optimizer\Disk Optimizer.lnk
%UsersProfile%\Start Menu\Programs\Disk Optimizer\Uninstall Disk Optimizer.lnk

%AllUsersProfile% refers to: C:\ProgramData
%UserProfile% refers to: C:\Users\[User Name]

Registry values:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "[SET OF RANDOM CHARACTERS]"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "[SET OF RANDOM CHARACTERS].exe"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations "LowRiskFileTypes"='.zip;.rar;.nfo;.txt;.exe;.bat;.com;.cmd;.reg;.msi;.htm;.html;.gif;.bmp;.jpg;.avi;.mpg;.mpeg;.mov;.mp3;.m3u;.wav;.scr;'
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download "CheckExeSignatures" = "no"

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