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Win32.HLLW.Autoruner.53057

Added to the Dr.Web virus database: 2011-06-21

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SearchIndexer.exe' = '%TEMP%\SearchIndexer.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Executes the following:
  • <SYSTEM32>\rundll32.exe InetCpl.cpl,ClearMyTracksByProcess 2
Terminates or attempts to terminate
the following user processes:
  • outpost.exe
  • AVP.EXE
  • bdagent.exe
Modifies file system :
Creates the following files:
  • %TEMP%\data.txt
  • %TEMP%\passwordfox.exe
  • %TEMP%\dialup.exe
  • %TEMP%\SearchIndexer.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''