BehaviorThis 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.
InstallationWhen 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
Similar Security RisksSpywareGuard2008
