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Win32.HLLW.Autoruner2.39651

Added to the Dr.Web virus database: 2018-05-22

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wuiquof' = '%HOMEPATH%\wuiquof.exe /z'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\wuiquof.exe
  • <Drive name for removable media>:\Secret.exe
  • <Drive name for removable media>:\Sexy.exe
  • <Drive name for removable media>:\RCX1.tmp
  • <Drive name for removable media>:\Porn.exe
  • <Drive name for removable media>:\RCX2.tmp
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Modifies file system:
Creates the following files:
  • %HOMEPATH%\wuiquof.exe
Sets the 'hidden' attribute to the following files:
  • %HOMEPATH%\wuiquof.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • <Drive name for removable media>:\Sexy.exe
  • <Drive name for removable media>:\Porn.exe
Substitutes the following files:
  • <Drive name for removable media>:\Sexy.exe
  • <Drive name for removable media>:\Porn.exe
Network activity:
Connects to:
  • 'ns#.##ayer1352.com':8003
UDP:
  • DNS ASK ns#.##ayer1352.com
Miscellaneous:
Creates and executes the following:
  • '%HOMEPATH%\wuiquof.exe'