Technical Information
To ensure autorun and distribution:
Substitutes the following executable system files:
- %WINDIR%\explorer.exe with %WINDIR%\explorer.exe.new
- <SYSTEM32>\dllcache\smss.exe with <SYSTEM32>\dllcache\smss.exe
Malicious functions:
Creates and executes the following:
- <LS_APPDATA>\ttup.exe .exe
Executes the following:
- <SYSTEM32>\taskkill.exe /F /IM explorer.exe
- <SYSTEM32>\taskkill.exe /F /IM taskmgr.exe
- <SYSTEM32>\taskkill.exe /f /im "<Virus name>.exe"
- <SYSTEM32>\taskkill.exe /f /im "ttup.exe"
Terminates or attempts to terminate
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- <LS_APPDATA>\takk.bat
- <LS_APPDATA>\ttup.exe
- %WINDIR%\explorer.exe.new
- %TEMP%\~1.bat
- <LS_APPDATA>\takk1.sp
- <LS_APPDATA>\takk2.sp
Sets the 'hidden' attribute to the following files:
- %TEMP%\~1.bat
Deletes the following files:
- <SYSTEM32>\dllcache\explorer.exe
- <SYSTEM32>\taskmgr.exe
- %WINDIR%\explorer.exe
- <SYSTEM32>\dllcache\smss.exe
- <LS_APPDATA>\ttup.exe
Deletes itself.
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: ''
