Win32.HLLW.Autoruner1.11514
Added to the Dr.Web virus database:
2012-02-03
Virus description added:
2012-02-24
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'AdobeUpdateSheduler' = '%WINDIR%\Driver Cache\i386\logon.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'SunJavaUpdateDlr' = '%WINDIR%\ssms.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\ssms.exe' = '%WINDIR%\ssms.exe:*:Enabled:Microsoft Update Sheduler'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:Microsoft Update Sheduler'
Creates and executes the following:
Executes the following:
- <SYSTEM32>\ping.exe -n 5 localhost
- <SYSTEM32>\cmd.exe /c ""c:\upd.bat" "
Modifies file system :
Creates the following files:
- %WINDIR%\repair\drivers.log
- C:\upd.bat
- %WINDIR%\repair\drive.tmp
- %WINDIR%\ssms.exe
- %WINDIR%\Driver Cache\i386\logon.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\boi24[1].swf
Deletes the following files:
- %WINDIR%\ssms.exe
- %WINDIR%\Driver Cache\i386\logon.exe
Network activity:
Connects to:
- 'www.ag######ariaarcanjo.com.br':80
TCP:
HTTP GET requests:
- www.ag######ariaarcanjo.com.br/boi24.swf
UDP:
- DNS ASK www.ag######ariaarcanjo.com.br
- '<Private IP address>':1037
Miscellaneous:
Searches for the following windows:
- ClassName: 'SysListView32' WindowName: ''
- ClassName: '#32770' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''
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