Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'msgsmgr' = '<SYSTEM32>\nbtsdump.exe'
Malicious functions:
Executes the following:
- <SYSTEM32>\attrib.exe -r -s -h "<Full path to virus>"
- <SYSTEM32>\cmd.exe /c ""<Current directory>\216843.bat" "<Full path to virus>""
- %WINDIR%\explorer.exe
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Terminates or attempts to terminate
the following system processes:
- %WINDIR%\Explorer.EXE
the following user processes:
- firefox.exe
- iexplore.exe
- chrome.exe
- opera.exe
Modifies file system :
Creates the following files:
- <Current directory>\216843.bat
- %ALLUSERSPROFILE%\image.bmp
- <SYSTEM32>\nbtsdump.exe
Sets the 'hidden' attribute to the following files:
- %ALLUSERSPROFILE%\image.bmp
Deletes the following files:
- %ALLUSERSPROFILE%\image.bmp
Deletes itself.
Miscellaneous:
Searches for the following windows:
- ClassName: 'OleMainThreadWndClass' WindowName: ''
- ClassName: 'SysListView32' WindowName: ''
- ClassName: 'CSCHiddenWindow' WindowName: ''
- ClassName: 'SystemTray_Main' WindowName: ''
- ClassName: 'Proxy Desktop' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'BaseBar' WindowName: 'ChanApp'
- ClassName: 'Shell_TrayWnd' WindowName: ''
