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Profil

Win32.HLLW.Autoruner.52444

Added to the Dr.Web virus database: 2011-06-24

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft' = 'file:///C:/af32d3b0/<Virus name>.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\autorun.exe
Malicious functions:
Creates and executes the following:
  • %TEMP%\tmp1.tmp.exe (downloaded from the Internet) 
Modifies file system :
Creates the following files:
  • %TEMP%\1F9FB.dmp
  • %APPDATA%sc4.vbs
  • %TEMP%\tmp1.tmp.exe
  • %TEMP%\dw.log
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\autorun.exe
Network activity:
Connects to:
  • 'dl.##opbox.com':80
TCP:
HTTP GET requests:
  • dl.##opbox.com/u/32506994/Svchost.exe
UDP:
  • DNS ASK wo#####up.localdomain
  • DNS ASK dl.##opbox.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''