Win32.HLLW.Autoruner.52995
Added to the Dr.Web virus database:
2011-07-02
Virus description added:
2011-07-02
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<Virus name>.exe' = '<Full path to virus>'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'CCleaner.exe' = '%APPDATA%\OKKJOyFNdEDTJMEcGkiQFZ\OKKJOyFNdEDTJMEcGkiQFZ\0.0.0.0\CCleaner.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Crisis.exe
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Command Prompt (CMD)
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
blocks the following features:
Creates and executes the following:
- %HOMEPATH%\My Documents\CCleaner.exe
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'DisallowRun' = 'msconfig.exe'
Modifies file system :
Creates the following files:
- %APPDATA%\OKKJOyFNdEDTJMEcGkiQFZ\OKKJOyFNdEDTJMEcGkiQFZ\0.0.0.0\CCleaner.exe
- %HOMEPATH%\My Documents\CCleaner.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Crisis.exe
- %HOMEPATH%\My Documents\CCleaner.exe
- %APPDATA%\OKKJOyFNdEDTJMEcGkiQFZ\OKKJOyFNdEDTJMEcGkiQFZ\0.0.0.0\CCleaner.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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