October 13th, 2010
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SystemDefragmenter description

SystemDefragmenter is a rogue anti-spyware application which pretends to be legitimate error optimization tool. With the aid of trojan infections, spam emails and various websites it tends to be affiliated one can easily fall victim to this dubious application.

Once exist on PC, numerous fake alerts is issued and misinform that computer is contaminated with virus. These fake reports will read as follows:

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!
Damaged hard drive clusters detected. Private data is at risk.

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.
System Restore
. The system has been restored after a critical error. Data integrity and hard drive integrity verification required.

Malware will prompt you to buy its “licensed” version which is supposedly able to remove legitimate viruses. Do not believe any information it displays because it is malicious and fraudulent. Buying this rogue program means you’ll get more viruses onto your PC and less money in your pocket. It is dangerous to your computer so you need to ignore all notifications it shows but use reputable anti-spyware application and terminate SystemDefragmenter upon detection.

Manual SystemDefragmenter Removal

SystemDefragmenter processes:

Help: A Guideline of Killing Malicious Processes

SystemDefragmenter registry values:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ""
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "exe.exe"
Help: How to edit windows registry entries

SystemDefragmenter DLLs:


Other malicious SystemDefragmenter files:

%UserProfile%\Desktop\System Defragmenter.lnk
%UserProfile%\Start Menu\Programs\System Defragmenter
%UserProfile%\Start Menu\Programs\System Defragmenter\System Defragmenter.lnk

The manual removal of files and registries should be performed by experienced users. A system can be badly affected if any error is done during the manual removal. We recommend using automatic removal tools to delete SystemDefragmenter, if you are not familiar with deleting malware manually.

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