Win32.HLLW.Autoruner1.11871
Added to the Dr.Web virus database:
2012-02-13
Virus description added:
2012-03-05
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'WindowsUpdate' = '<Full path to virus>'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WindowsUpdate' = '<Full path to virus>'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\DFGDFJJJJDFJDFJGFDJTURTURUTJJF\DFG-2352-26235-2322322-624621221-2622255\usbBlock.exe
- <Drive name for removable media>:\DFGDFJJJJDFJDFJGFDJTURTURUTJJF\DFG-2352-26235-2322322-624621221-2622255\Desktop.ini
Malicious functions:
Executes the following:
- <SYSTEM32>\dumprep.exe 1428 -dm 7 7 %TEMP%\WERa0f7.dir00\explorer.exe.hdmp 16325836412028088
- <SYSTEM32>\dumprep.exe 1428 -dm 7 7 %TEMP%\WERa0f7.dir00\explorer.exe.mdmp 16325836412028076
Injects code into
the following system processes:
Searches for windows to
detect analytical utilities:
- ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
- ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'RegmonClass' WindowName: ''
- ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'GBDYLLO' WindowName: ''
- ClassName: 'OLLYDBG' WindowName: ''
- ClassName: 'FilemonClass' WindowName: ''
- ClassName: 'pediy06' WindowName: ''
Modifies file system :
Creates the following files:
- %TEMP%\WERa0f7.dir00\explorer.exe.hdmp
- %TEMP%\WERa0f7.dir00\explorer.exe.mdmp
- %TEMP%\google_cache2.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\DFGDFJJJJDFJDFJGFDJTURTURUTJJF\DFG-2352-26235-2322322-624621221-2622255\usbBlock.exe
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'BitDefender Firewall Alert'
- ClassName: 'Indicator' WindowName: ''
- ClassName: '18467-41' WindowName: ''
- ClassName: '' WindowName: 'Windows Security Alert'
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