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Win32.HLLW.Autoruner.52377

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:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Taskman' = 'c:\RECYCLER\R-1-5-21-1482476501-1644491937-682003330-1013\winfixer.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\RECYCLER\R-1-5-21-1482476501-1644491937-682003330-1013\winfixer.exe
  • <Drive name for removable media>:\RECYCLER\R-1-5-21-1482476501-1644491937-682003330-1013\Desktop.ini
Malicious functions:
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • C:\RECYCLER\R-1-5-21-1482476501-1644491937-682003330-1013\winfixer.exe
  • C:\RECYCLER\R-1-5-21-1482476501-1644491937-682003330-1013\Desktop.ini
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\RECYCLER\R-1-5-21-1482476501-1644491937-682003330-1013\winfixer.exe
Network activity:
Connects to:
  • 'dc.##bypin.net':5943
  • 'dc.##team.info':5943
  • 'dc.#####ingcenter-org.com':5943
UDP:
  • DNS ASK dc.##bypin.net
  • DNS ASK dc.##team.info
  • DNS ASK dc.#####ingcenter-org.com