Win32.HLLW.Autoruner.50955
Added to the Dr.Web virus database:
2011-06-02
Virus description added:
2012-01-13
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update System' = '%APPDATA%\reader.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Update System' = '%APPDATA%\reader.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\4844848438385FFFJFJF\DFG-2352-26235-2322322-624621221-2622255\usbBlock.exe
- <Drive name for removable media>:\4844848438385FFFJFJF\DFG-2352-26235-2322322-624621221-2622255\Desktop.ini
Malicious functions:
Creates and executes the following:
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- %APPDATA%\reader.exe
- %TEMP%\google_cache2.tmp
- C:\www.google.com.htm
- %TEMP%\gg.ico
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\4844848438385FFFJFJF\DFG-2352-26235-2322322-624621221-2622255\usbBlock.exe
- %APPDATA%\reader.exe
- C:\www.google.com.htm
Network activity:
Connects to:
- '13#####tnet.no-ip.org':5150
UDP:
- DNS ASK 13#####tnet.no-ip.org
- '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: 'BitDefender Firewall Alert'
- ClassName: '' WindowName: 'Windows Security Alert'
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