Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Messenger' = '%APPDATA%\WLM.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\WLM.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- C:\WLM.exe
- C:\autorun.inf
Network activity:
Connects to:
- 'www.ya###alti.com':80
- 'localhost':1037
TCP:
HTTP GET requests:
- www.ya###alti.com/sy.php
UDP:
- DNS ASK www.ya###alti.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
