Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'ugytrgqdz' = '<SYSTEM32>\wscsvcr.exe'
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\wscsvcr.exe'
Modifies file system :
Creates the following files:
- %TEMP%\~unins3006.bat
- <SYSTEM32>\wscsvcr.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\wscsvcr.exe
Deletes the following files:
- <SYSTEM32>\Restore\MachineGuid.txt
Deletes itself.
Network activity:
Connects to:
- '20#.#21.217.166':80
TCP:
HTTP GET requests:
- 20#.#21.217.166/adfclick
UDP:
- DNS ASK fa####nation.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
