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Profil

Win32.HLLW.Autoruner1.57531

Added to the Dr.Web virus database: 2013-10-04

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /i'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'fiuwiej' = '%HOMEPATH%\fiuwiej.exe /b'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Creates the following files on removable media:
  • <Drive name for removable media>:\Porn.exe
  • <Drive name for removable media>:\Passwords.exe
  • <Drive name for removable media>:\Bloc-notes.exe
  • <Drive name for removable media>:\Sexy.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\fiuwiej.exe
  • <Drive name for removable media>:\Secret.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%\fiuwiej.exe'
  • '%TEMP%\svchost.exe'
  • '%TEMP%\Sexy.exe'
Executes the following:
  • '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
  • '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\kwngnu5n.cmdline"
Modifies file system :
Creates the following files:
  • %HOMEPATH%\RCXD.tmp
  • %HOMEPATH%\RCXC.tmp
  • %HOMEPATH%\c\autorun.inf
  • %HOMEPATH%\RCXE.tmp
  • %HOMEPATH%\RCXB.tmp
  • %HOMEPATH%\RCX8.tmp
  • %HOMEPATH%\RCX7.tmp
  • %HOMEPATH%\RCXA.tmp
  • %HOMEPATH%\RCX9.tmp
  • %HOMEPATH%\c\Secret.exe
  • %HOMEPATH%\c\RCX12.tmp
  • %HOMEPATH%\c\Passwords.exe
  • %HOMEPATH%\c\RCX14.tmp
  • %HOMEPATH%\c\RCX13.tmp
  • %HOMEPATH%\c\RCX11.tmp
  • %HOMEPATH%\c\RCXF.tmp
  • %HOMEPATH%\c\Sexy.exe
  • %HOMEPATH%\c\RCX10.tmp
  • %HOMEPATH%\c\Porn.exe
  • %HOMEPATH%\RCX6.tmp
  • %TEMP%\kwngnu5n.cmdline
  • %TEMP%\kwngnu5n.0.vb
  • %HOMEPATH%\fiuwiej.exe
  • %TEMP%\kwngnu5n.out
  • %TEMP%\MSNPSharp.dll
  • %TEMP%\svchost.exe
  • %TEMP%\ouuq.resources
  • %TEMP%\yp8zIgFu.resources
  • %TEMP%\Sexy.exe
  • %TEMP%\vbc1.tmp
  • %HOMEPATH%\RCX4.tmp
  • %HOMEPATH%\Porn.exe
  • %HOMEPATH%\Passwords.exe
  • %HOMEPATH%\RCX5.tmp
  • %HOMEPATH%\RCX3.tmp
  • %TEMP%\kwngnu5n.exe
  • %TEMP%\RES2.tmp
  • %HOMEPATH%\Sexy.exe
  • %HOMEPATH%\Secret.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\fiuwiej.exe
  • %HOMEPATH%\c\autorun.inf
  • %HOMEPATH%\fiuwiej.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • %HOMEPATH%\c\Sexy.exe
  • %HOMEPATH%\Secret.exe
  • %HOMEPATH%\Passwords.exe
  • %HOMEPATH%\c\Porn.exe
  • %HOMEPATH%\c\Secret.exe
  • %HOMEPATH%\c\autorun.inf
  • %HOMEPATH%\c\Passwords.exe
  • %HOMEPATH%\Porn.exe
  • %TEMP%\kwngnu5n.exe
  • %TEMP%\vbc1.tmp
  • %TEMP%\RES2.tmp
  • %TEMP%\kwngnu5n.0.vb
  • %HOMEPATH%\Sexy.exe
  • %TEMP%\kwngnu5n.cmdline
  • %TEMP%\kwngnu5n.out
Moves the following files:
  • from %HOMEPATH%\RCXE.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\c\RCXF.tmp to %HOMEPATH%\c\Sexy.exe
  • from %HOMEPATH%\RCXC.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCXD.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\c\RCX10.tmp to %HOMEPATH%\c\Porn.exe
  • from %HOMEPATH%\c\RCX13.tmp to %HOMEPATH%\c\Passwords.exe
  • from %HOMEPATH%\c\RCX14.tmp to %HOMEPATH%\c\Passwords.exe
  • from %HOMEPATH%\c\RCX11.tmp to %HOMEPATH%\c\Porn.exe
  • from %HOMEPATH%\c\RCX12.tmp to %HOMEPATH%\c\Passwords.exe
  • from %HOMEPATH%\RCX5.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX6.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCX3.tmp to %HOMEPATH%\Sexy.exe
  • from %HOMEPATH%\RCX4.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX7.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCXA.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCXB.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX8.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCX9.tmp to %HOMEPATH%\Sexy.exe
Network activity:
Connects to:
  • 'ns#.##ckupdate2.com':7001
  • 'ns#.##ckupdate3.net':7001
  • 'ns#.##ckupdate4.net':7001
  • '17#.#3.169.14':80
  • 'ns#.##ckupdate1.net':7001
  • 'ns#.##ckupdate1.org':7001
UDP:
  • DNS ASK ns#.##ckupdate4.net
  • DNS ASK ns#.##ckupdate3.net
  • DNS ASK ns#.##ckupdate3.org
  • DNS ASK ns#.##ckdate1.com
  • DNS ASK ns#.##ckupdate1.net
  • DNS ASK ns#.##ckupdate1.com
  • DNS ASK ns#.##ckupdate2.com
  • DNS ASK ns#.##ckupdate1.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'