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MalwareDefender2009

Updated:
March 30, 2009 1:19:30 PM
Type:
Misleading Application
Name:
MalwareDefender2009
Version:
Unknown
Publisher:
Unknown
Risk Impact:
Medium
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
Behavior
This program can be manually installed. It may also be downloaded by Trojan.Zlob.

The program reports false or exaggerated system security threats on the computer.





The user is then prompted to pay for a full license of the application in order to remove the threats.





Installation
When the program is executed, it creates the following files:
  • %UserProfile%\Desktop\Malware Defender 2009.lnk
  • %UserProfile%\Start Menu\Programs\Malware Defender 2009\Malware Defender 2009.lnk
  • %UserProfile%\Start Menu\Programs\Malware Defender 2009\Uninstall.lnk
  • %UserProfile%\Application Data\Microsoft\Media Index\Drivers\hdddriver.dll
  • %ProgramFiles%\Malware Defender 2009\conf.cfg
  • %ProgramFiles%\Malware Defender 2009\malwaredef.exe
  • %ProgramFiles%\Malware Defender 2009\mbase.vdb
  • %ProgramFiles%\Malware Defender 2009\quarantine.vdb
  • %ProgramFiles%\Malware Defender 2009\queue.vdb
  • %ProgramFiles%\Malware Defender 2009\uninstall.exe
  • %ProgramFiles%\Malware Defender 2009\vbase.vdb


Next, the program creates the following registry entry so that it executes whenever Windows starts:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"malwaredef" = "%ProgramFiles%\Malware Defender 2009\malwaredef.exe"

It also creates the following registry subkeys:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Malware Defender 2009
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet
  • HKEY_LOCAL_MACHINE\SOFTWARE\Malware Defender 2009


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SpywareGuard2008


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