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Win32.HLLW.Autoruner1.61471
Added to the Dr.Web virus database:
2013-11-19
Virus description added:
2013-11-20
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Lying' = ''
Creates the following files on removable media:
<Drive name for removable media>:\system.exe
<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:
Creates and executes the following:
'%PROGRAM_FILES%\WindowsUpdate\1.exe'
'%TEMP%\system.exe'
'%PROGRAM_FILES%\WindowsUpdate\1.exe' (downloaded from the Internet)
Executes the following:
'<SYSTEM32>\cmd.exe' /c %TEMP%\~Lying.bAt
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\xx[1].exe
%PROGRAM_FILES%\WindowsUpdate\1.exe
%TEMP%\system.exe
%TEMP%\~Lying.bAt
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\system.exe
%TEMP%\system.exe
%TEMP%\~Lying.bAt
Deletes itself.
Network activity:
Connects to:
'www.xx#.com':80
'localhost':1036
TCP:
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'IEFrame' WindowName: '(null)'
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