Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'svchost' = '"%WINDIR%\wuauctl.exe"'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system:
Creates the following files:
- %WINDIR%\wuauctl.exe
- %TEMP%\~DFA0E1.tmp
- <SYSTEM32>\MSWINSCK.OCX
Sets the 'hidden' attribute to the following files:
- %WINDIR%\wuauctl.exe
Deletes the following files:
- %WINDIR%\wuauctl.exe
Network activity:
Connects to:
- 'localhost':1048
- '74.##5.232.51':443
- 'any':892
- 'any':890
- 'any':891
UDP:
- DNS ASK si###.google.com
