Home Malware Programs Rogue Anti-Spyware Programs Quick Defrag

Quick Defrag

Posted: January 3, 2011

Threat Metric

Threat Level: 10/10
Infected PCs: 14
First Seen: January 4, 2011
Last Seen: September 20, 2019
OS(es) Affected: Windows

ScreenshotQuick Defrag or QuickDefrag is a fake system optimization program advertised on rogue websites and distributed by sneaky Trojans. Quick Defrag is from the same family as HDD Tools and they both use fake system scanners and pop-up alerts to convince victims that their systems are riddled with dangerous errors.

The errors typically involve the hard drive and CPU claiming that they cannot be detected or the temperature is extremely high. Fortunately, the error reports or alerts generated by Quick Defrag are false and never to be trusted. Users that encounter Quick Defrag, and any of its fake security alerts, should have this rogue removed immediately with an effective anti-rogueware tool.

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Use SpyHunter to Detect and Remove PC Threats

If you are concerned that malware or PC threats similar to Quick Defrag may have infected your computer, we recommend you start an in-depth system scan with SpyHunter. SpyHunter is an advanced malware protection and remediation application that offers subscribers a comprehensive method for protecting PCs from malware, in addition to providing one-on-one technical support service.

Download SpyHunter's Malware Scanner

Note: SpyHunter's free version is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware tool to remove the malware threats. Learn more on SpyHunter. If you would like to uninstall SpyHunter for any reason, please follow these uninstall instructions. To learn more about our policies and practices, visit our EULA, Privacy Policy and Threat Assessment Criteria .

Why can't I open any program including SpyHunter? You may have a malware file running in memory that kills any programs that you try to launch on your PC. Tip: Download SpyHunter from a clean computer, copy it to a USB thumb drive, DVD or CD, then install it on the infected PC and run SpyHunter's malware scanner.

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\hrQsjolQihqt.exe File name: hrQsjolQihqt.exe
Size: 382.46 KB (382464 bytes)
MD5: b7eca26573472db78273cb60728d90f3
Detection count: 85
File type: Executable File
Mime Type: unknown/exe
Path: %ALLUSERSPROFILE%\Application Data\
Group: Malware file
Last Updated: January 4, 2011

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