Win32.HLLW.Autoruner1.16687
Added to the Dr.Web virus database:
2012-05-31
Virus description added:
2012-06-21
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe, "%HOMEPATH%\comdlg32.exe"'
Creates the following files on removable media:
- <Drive name for removable media>:\Confidential.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\comdlg32.exe' = '%HOMEPATH%\comdlg32.exe:*:Enabled:ComSpec RegSrv32'
Creates and executes the following:
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Confidential.exe
- %HOMEPATH%\comdlg32.exe
Network activity:
Connects to:
- 'fr###.##i-dameskleding.nl':21
UDP:
- DNS ASK fr###.##i-dameskleding.nl
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'CD Writing Wizard'
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