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Win32.HLLW.Autoruner1.18269

Added to the Dr.Web virus database: 2012-06-29

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jserv' = '%APPDATA%\jsw\jserv.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\3huMQKZOpf.exe.exe
  • <Drive name for removable media>:\autorun.inf.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\3huMQKZOpf.exe
Malicious functions:
Creates and executes the following:
  • %APPDATA%\yF7IK9yXI.exe -g no -a 5 -t 1 -o http://mi####.eligius.st:8337/ -u 1L6uXgq8FTgYYNorkRnpamCDpSq9FydgsB -p x
  • %APPDATA%\jsw\jserv.exe
  • %APPDATA%\yF7IK9yXI.exe (downloaded from the Internet)
Modifies file system :
Creates the following files:
  • %APPDATA%\yF7IK9yXI.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\svchost[1].exe
  • %APPDATA%\jsw\jserv.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\autorun.inf.exe
  • <Drive name for removable media>:\3huMQKZOpf.exe.exe
  • %APPDATA%\jsw\jserv.exe
  • <Drive name for removable media>:\3huMQKZOpf.exe
Network activity:
Connects to:
  • 'dl.##opbox.com':80
  • 'localhost':1037
TCP:
HTTP GET requests:
  • dl.##opbox.com/u/27790450/ufasoft/svchost.exe
UDP:
  • DNS ASK dl.##opbox.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''