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Danger level 9
Type: Rogue Anti-Spyware
Common infection symptoms:
  • Slow internet connection
  • Slow Computer
  • Installs itself without permissions
  • Connects to the internet without permission
  • Annoying Pop-up's
  • System crashes


It seems the creators behind utterly worthless yet very destructive rogueware have released another parasite to their repertoire. FullScan rogue system optimizer, which are related to the ever infamous rogues defragmenters HDD Low, Win Scanner, Disk Repair, Smart HDD, Defragmenter and HDD Rescue will remain undetected on the system until it deems the right time for it to reveal itself to its victim. This will generally be through the use of various fake security messages.

FullScan enters the system secretly with the help of Trojan and malware bundled downloads from third parties. As a first point of attack, FullScan will inform the user that his PC is infected with various serious infections, and that his system is under attack. This is meant to create panic among users, as well as give an air of credibility to FullScan. Some of the purported fake security notifications used by FullScan read as follows:

“Windows cannot find notepad.exe . Make sure you typed the name correctly, and then try again. To search for a file, click the Start button, and then click Search.”

“Windows detected a hard drive problem.
A hard drive error occurred while starting the application. ”

“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 [random name]. 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. ”

Other errors FullScan will deceitfully report on include:

“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”
“Drive C initializing error”
“Data Safety Problem. System integrity is at risk. ”
“Registry Error - Critical Error”

These are just some of the fake alerts utilized by FullScan as a part of its assault on the system. Obviously none of these incredulous bogus warnings can be trusted, and users should never follow any instructions captured herein as this may further expose the system to more damage.

As a further attack on the system, FullScan will prevent the user from launching any executable. This is done in an effort to prevent the user from running a security application which can delete FullScan from the system. When a user tries to launch a program, he will receive the following message from FullScan:

"Windows detected a hard drive problem. A hard drive error occurred while starting the application."

In order to manually remove FullScan, you will need to kill jhGdrgHsr.exe and 18428423.exe, both known processes of FullScan.

FullScan will not stop its annoying symptoms until you buy its product. This is blatant blackmail and extortion tactics used by standard scareware, and should not be delted. The only way to regain control of the system will be to obliterate FullScan from the PC. Invest in a genuine security tool which will not only permanently erase FullScan but also provide future protection against similar attacks.

Download Spyware Removal Tool to Remove* FullScan
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How to manually remove FullScan

Files associated with FullScan infection:

%Programs%\Full Scan\Uninstall Full Scan.lnk
%Programs%\Full Scan\Full Scan.lnk
%Desktop%\Full Scan.lnk

FullScan DLL's to remove:


FullScan processes to kill:


Remove FullScan registry entries:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run “[random].exe”
HKCU\Software\Microsoft\Windows\CurrentVersion\Run “[random]”

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