Win32.HLLW.Autoruner1.2088
Added to the Dr.Web virus database:
2011-11-10
Virus description added:
2011-11-11
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'monuk' = '%HOMEPATH%\monuk.exe /r'
Creates the following files on removable media:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\RCX2.tmp
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\monuk.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\Sexy.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\monuk.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\monuk.exe
Deletes the following files:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
Network activity:
Connects to:
- 'ns#.##ayer1532.com':8000
UDP:
- DNS ASK ns#.##ayer1532.com
- '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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