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Windows Disk

Posted: January 28, 2011

Threat Metric

Threat Level: 10/10
Infected PCs: 75
First Seen: January 28, 2011
Last Seen: March 8, 2022
OS(es) Affected: Windows

ScreenshotThe rogue defragmenter Windows Disk creeps onto hard drives quietly and then tries to play the part of a useful trial version of a system tool. Windows Disk does this poorly, however, since Windows Disk isn't able to perform any of the tasks of a true defragmenter, and will cause obvious and alarming problems on your system. Getting rid of not just Windows Disk but also the original infection that likely installed Windows Disk is highly important if you place any value on the integrity of your hard drive. Holding back on taking action may result in serious damage that can't be reverted, due to the invasive nature of Windows Disk's functions.

Windows Disk's Flood of Falsified Errors

Windows Disk may cause a number of problems either by itself or indirectly. Common signs of a rogue scanner like Windows Disk on a computer are altered security settings, Windows processes or security software crashing or refusing to run, web browsers being hijacked and redirected towards malicious sites, mysteriously low system resources such as RAM, and even the presence of other types of malware.

While all these problems are very serious threats to your computer, the main trait of Windows Disk is simply one of flooding the user with error messages. These messages are vast in quantity and diversity, and will occur without any regard for whether the content is accurate or not. They should be wholly ignored as deceptive attempts to force you to give money to criminals, and only serve to drive home the point that you need to uninstall Windows Disk the very instant you catch it. Here's just a sampling of the errors Windows Disk will dish up for you:

  • Critical Error
    A critical error has occurred while indexing data stored on hard drive. System restart required.
  • Windows - No Disk
    Exception Processing Message 0x0000013
  • Windows detected a hard drive problem.
    A hard drive error occurred while starting the application.
  • Windows detected a hard drive problem.
    Scanning for hard drive errors...
    Hard drive scan helps to detect and resolve hard drive problems and system performance issues.
  • Critical Error!
    Damaged hard drive clusters detected. Private data is at risk.
  • Critical Error!
    Windows was unable to save all the data for the file System32496A8300. The data has been lost. This error may be caused by a failure of your computer hardware.
  • Low Disk Space
    You are running very low disk space on Local Disk (C:).
  • Windows cannot find notepad. Make sure you typed the name correctly, and then try again. To search for a file, click the Start button, and then click Search.
  • Fix Disk
    Windows Disk Diagnostics will scan the system to identify performance problems.
    Start or Cancel
  • System Restore
    The system has been restored after a critical error. Data integrity and hard drive integrity verification required.
  • Critical Error
    Hard Drive not found. Missing hard drive.
  • Activation Reminder
    Memory Optimizer Activation
    Advanced module activation required to fix detected errors and performance issues. Please purchase Advanced Module license to activate this software and enable all features.
  • Critical Error
    RAM memory usage is critically high. RAM memory failure.

Be particularly cautious around errors that attempt to redirect you towards a website, or indicate that you should download or install something. This is just a means of Windows Disk making your problems even worse.

Kicking the Rogue Defragmenter Windows Disk Out

If you're having problems uninstalling Windows Disk easily, it may help to use a registry code. The code 0973467457475070215340537432225 will 'register' this useless rogue software without handing out any of your personal information or money. This should only be taken to account of a temporary measure and not a cure, since the presence of Windows Disk will continue to harm your system until you've completely deleted Windows Disk from your computer.

Windows Disk's resemblance to other rogue software can make Windows Disk easily detectable and removable by security software run in Safe Mode. Your software may not detect Windows Disk if you haven't updated malware definitions recently, so check the date on your last update before trying to delete Windows Disk. Updates for real security software are almost always free, and there are also quite a few freeware tools out there that will be more than happy to remove Windows Disk for you free of charge.

ScreenshotScreenshotScreenshotScreenshotScreenshot

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%AllUsersProfile%\Application Data\yCqyhXgQRtPORaf.exe File name: yCqyhXgQRtPORaf.exe
Size: 475.13 KB (475136 bytes)
MD5: A3B6A8DB879744857860386DA5ADD2F8
Detection count: 32
File type: Executable File
Mime Type: unknown/exe
Path: %AllUsersProfile%\Application Data
Group: Malware file
Last Updated: January 8, 2020

Registry Modifications

The following newly produced Registry Values are:

File name without pathWindows Disk.lnk

Additional Information

The following messages's were detected:
# Message
1Critical Error!
Damaged hard drive clusters detected. Private data is at risk.

Critical Error
Hard Drive not found. Missing hard drive.

Critical Error
RAM memory usage is critically high. RAM memory failure.

Critical Error
Windows can???t find hard disk space. Hard drive error

Critical Error!
Windows was unable to save all the data for the file \System32\496A8300. The data has been lost. This error may be caused by a failure of your computer hardware.

Critical Error
A critical error has occurred while indexing data stored on hard drive. System restart required.

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


Requested registry access is not allowed. Registry defragmentation required
Read time of hard drive clusters less than 500 ms
32% of HDD space is unreadable
Bad sectors on hard drive or damaged file allocation table
GPU RAM temperature is critically high. Urgent RAM memory optimization is required to prevent system crash
Drive C initializing error
Ram Temperature is 83 C. Optimization is required for normal operation.
Hard drive doesn???t respond to system commands
Data Safety Problem. System integrity is at risk.
Registry Error ??? Critical Error

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3 Comments

  • ken says:

    What do you do when your task manager has been taken by the virus????

  • Gregg says:

    What do you do when your task manager will not open because of the defrag bug?

  • I Know says:

    Typically you can log on with a different account and run anti-malware software to remove the infection (or remove it manually by deleting the files). I just removed this particular malware and it changed all of the user profile files in "Document and Settings" to hidden files so that once you log back into the profile there is no shortcuts, start menu, favorites ect... Once the malware is removed open the "Documents and Settings" folder under the infected user profile and change the necessary files (Favorites, Desktop, Startup, ect...) back to a normal file (right click on the file and uncheck "Hidden" from properties. That should get it back to normal.

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