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Win32.HLLW.Autoruner2.36175

Added to the Dr.Web virus database: 2018-04-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /E'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /P'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /B'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /r'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /Q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /N'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /m'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /I'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sueosep' = '%HOMEPATH%\sueosep.exe /h'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\sueosep.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
  • <Drive name for removable media>:\RCX3.tmp
  • <Drive name for removable media>:\Passwords.exe
  • <Drive name for removable media>:\RCX4.tmp
  • <Drive name for removable media>:\RCX5.tmp
  • <Drive name for removable media>:\RCX6.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%\sueosep.exe
Sets the 'hidden' attribute to the following files:
  • %HOMEPATH%\sueosep.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\sueosep.exe
Deletes the following files:
  • <Drive name for removable media>:\Sexy.exe
  • <Drive name for removable media>:\Porn.exe
  • <Drive name for removable media>:\Passwords.exe
Substitutes the following files:
  • <Drive name for removable media>:\Sexy.exe
  • <Drive name for removable media>:\Porn.exe
  • <Drive name for removable media>:\Passwords.exe
Network activity:
Connects to:
  • 'ns#.##ayer1352.com':8000
UDP:
  • DNS ASK ns#.##ayer1352.com
Miscellaneous:
Creates and executes the following:
  • '%HOMEPATH%\sueosep.exe'
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