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Malware Defense

Posted: December 21, 2009

Threat Metric

Threat Level: 10/10
Infected PCs: 56
First Seen: January 8, 2010
Last Seen: March 29, 2021
OS(es) Affected: Windows

ScreenshotMalware Defense is a rogue anti-spyware program created to deceive computer users and steal their money. Malware Defense gets onto your system and it starts constantly scanning your PC. Then it starts detecting files which are created in advance and recognized as malicious. All of the tactics leads to urging the computer user purchase Malware Defense. Do not fall for this trickery and terminate Malware Defense immediately.



Trojan.Win32.Generic!BT [Sunbelt]Mal/Generic-A [Sophos]Suspicious file [Panda]a variant of Win32/Kryptik.BIM [NOD32]Trojan:Win32/FakeCog [Microsoft]Trojan.Dropper.Gen [McAfee-GW-Edition]DNSChanger.p [McAfee]Packed.Win32.TDSS.aa [K7AntiVirus]Packed.Win32.Tdss [Ikarus]Suspicious:W32/Riskware!Online [F-Secure]Win32/TDSS!packed [eTrust-Vet]Heur.Suspicious [Comodo]Generic16.CFN [AVG]TR/Dropper.Gen [AntiVir]Packed.Win32.Tdss!IK [a-squared]
More aliases (17)

Use SpyHunter to Detect and Remove PC Threats

If you are concerned that malware or PC threats similar to Malware Defense 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:

mdefense.exe File name: mdefense.exe
Size: 1.75 MB (1756088 bytes)
MD5: 3fcd3d6352dc4312ae3ca40b2fcc47f0
Detection count: 52
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: January 8, 2010
installerMD.exe, installer[1].exe File name: installerMD.exe, installer[1].exe
Size: 95.74 KB (95744 bytes)
MD5: ce3d0f5354a7588ae9aafc946816f095
Detection count: 51
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: January 8, 2010

More files

Registry Modifications

The following newly produced Registry Values are:

Directory%ProgramFiles%\Malware DefenseFile name without pathMalware Defense Support.lnkMalware Defense.lnkUninstall Malware Defense.lnk

Related Posts


  • Tonya says:

    I cannot remove malware defense. I try to delete it from my program files and it says access denied, make sure the disk is not full or write protected and that the file is not currently in use
    I tried to delete the processes through windows task manager, but cannot find the processes on the list.

  • Joan A Schienenberger says:

    How do you view the malwaredefense components with MD5s?

  • john w baldwin says:

    Please remove Malware Defender 2009 from my computer!