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>:\~humbs.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>\chcp.com
- <SYSTEM32>\findstr.exe /s "YM.CGP_" "%HOMEPATH%"\..\*.txt
Modifies file system :
Creates the following files:
- %TEMP%\drivers.p
- %TEMP%\ghi.bat
- %TEMP%\INFO.TXT
- %TEMP%\temp.vih
- %ALLUSERSPROFILE%\Application Data\wmimgmt.exe
- %TEMP%\avp.exe
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
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''