Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'sayolt' = '<SYSTEM32>\msxbde40D.exe'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\msxbde40D.exe
Modifies file system :
Creates the following files:
- %TEMP%\~unins3806.bat
- <SYSTEM32>\msxbde40D.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\msxbde40D.exe
Deletes the following files:
- <SYSTEM32>\Restore\MachineGuid.txt
Deletes itself.
Network activity:
Connects to:
- '11#.#.231.200':80
TCP:
HTTP GET requests:
- 11#.#.231.200/adfclick
UDP:
- DNS ASK in###ave.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
