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Profile

Win32.HLLW.Autoruner1.5442

Added to the Dr.Web virus database: 2011-12-07

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Winlogonn' = '%APPDATA%\Microsoft\winlogonn.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\svcpic.jpg
Malicious functions:
Creates and executes the following:
  • %APPDATA%\Microsoft\winlogonn.exe 
  • %TEMP%\%tmp%.exe 
  • %WINDIR%\Temp\svhost.exe 
Modifies file system :
Creates the following files:
  • %APPDATA%\Microsoft\winlogonn.exe
  • %TEMP%\%tmp%.exe
  • %WINDIR%\Temp\svhost.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\svcpic.jpg
  • <Drive name for removable media>:\autorun.inf
  • %WINDIR%\Temp\svhost.exe
  • %APPDATA%\Microsoft\winlogonn.exe
Deletes the following files:
  • %TEMP%\%tmp%.exe
Network activity:
Connects to:
  • 'ju#####c.mmolazy.com':3086
UDP:
  • DNS ASK ju#####c.mmolazy.com
  • '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''