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Win32.HLLW.Autoruner.64022

Added to the Dr.Web virus database: 2011-10-18

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /W'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /A'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /U'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /m'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /H'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /E'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxyap' = '%HOMEPATH%\cxyap.exe /t'
Creates the following files on removable media:
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\NHz.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\cxyap.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\cxyapx.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • %HOMEPATH%\cxyap.exe 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\cxyap.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\cxyap.exe
  • <Drive name for removable media>:\cxyapx.exe
  • <Drive name for removable media>:\NHz.ico
  • %HOMEPATH%\cxyap.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ns#.##ayer1532.com':8000
UDP:
  • DNS ASK ns#.##ayer1532.com
  • '<Private IP address>':1034
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''