Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'IµI?°?E«A??e(I?O??EAU»aOy??IµI?±AA?)' = '<Drive name for removable media>:\Backup\Thunder NetWork\system32.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following:
- %WINDIR%\regedit.exe /S %WINDIR%\web\Test.reg
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoInternetIcon' = '00000000'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- %HOMEPATH%\Start Menu\Programs\МФ±¦№єОпЈЎ.lnk
- %HOMEPATH%\Start Menu\Internet Explorer.lnk
- %HOMEPATH%\Favorites\НшЦ·µјєЅґуИ«.url
- %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk
- %WINDIR%\Web\Index.html
- %WINDIR%\Web\Index.htm
- %WINDIR%\Web\Test.reg
- %HOMEPATH%\Start Menu\МФ±¦№єОпЈЎ.lnk
- %HOMEPATH%\Desktop\МФ±¦№єОпЈЎ.lnk
Miscellaneous:
Searches for the following windows:
- ClassName: 'RegEdit_RegEdit' WindowName: ''
