Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\RECYCLER\wmimgmt.com
- <Drive name for removable media>:\~thumbs.tmp
- <Drive name for removable media>:\RECYCLER\desktop.ini
Malicious functions:
Creates and executes the following:
- %ALLUSERSPROFILE%\Application Data\wmimgmt.exe
Executes the following:
- <SYSTEM32>\net1.exe user
- <SYSTEM32>\chcp.com
- <SYSTEM32>\findstr.exe /s "YM.CGP_" "%HOMEPATH%"\..\*.txt
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\ghi.bat
- %HOMEPATH%\Local Settings\Temporary Internet Files\INFO.TXT
- %HOMEPATH%\Local Settings\Temporary Internet Files\avp.exe
- %TEMP%\temp.vih
- %ALLUSERSPROFILE%\Application Data\wmimgmt.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\drivers.p
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\AuToRUn.iNf
- <Drive name for removable media>:\RECYCLER\desktop.ini
Deletes the following files:
- %TEMP%\temp.vih
Network activity:
UDP:
- DNS ASK windowsupdate.microsoft.com
- '<Private IP address>':1034
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WINHELP' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
