Win32.HLLW.Autoruner1.25239
Added to the Dr.Web virus database:
2012-08-27
Virus description added:
2012-09-17
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'MugwaraWorm' = '<SYSTEM32>\Mugewara.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MugewaraWorm' = '<SYSTEM32>\Mugewara.exe'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Mugewara.exe
- %HOMEPATH%\Start Menu\Programs\Startup\Mugewara.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.txt
- <Drive name for removable media>:\Mugewara.exe
Malicious functions:
Creates and executes the following:
- %HOMEPATH%\Start Menu\Programs\Startup\Mugewara.exe
Searches for windows to
detect analytical utilities:
- ClassName: 'OLLYDBG' WindowName: ''
Modifies file system :
Creates the following files:
- C:\Mugewara.exe
- C:\autorun.txt
- %WINDIR%\Mugewara.exe
- %TEMP%\aut1.tmp
- <SYSTEM32>\Mugewara.exe
Deletes the following files:
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
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