Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Ywhumejcxlvtakhg.exe' = '"%APPDATA%\Ywhumejcxlvtakhg.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Ywhumejcxlvtakhg.exe' = '"%APPDATA%\Ywhumejcxlvtakhg.exe"'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\BD3789HOEJ\BD3789HOEJ.exe
- <Drive name for removable media>:\BD3789HOEJ\Desktop.ini
Malicious functions:
Injects code into
the following system processes:
- <SYSTEM32>\dwwin.exe
a large number of user processes.
Modifies file system :
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\BD3789HOEJ\BD3789HOEJ.exe
Moves itself:
- from <Full path to virus> to %APPDATA%\Ywhumejcxlvtakhg.exe
Network activity:
Connects to:
- 'ke###oney.biz':5050
- 'sp.#p.kz':5050
UDP:
- DNS ASK ke###oney.biz
- DNS ASK sp.#p.kz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
