Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Windows Update Service' = 'C:/DOCUME~1/%USERNAME%/LOCALS~1/Temp/update.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
modifies the following system settings:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Executes the following:
- '%ProgramFiles%\Internet Explorer\IEXPLORE.EXE' http://go#.gl/HNeBi
Modifies file system:
Creates the following files:
- %TEMP%\update.exe
- <Current directory>\Infected.inf
Network activity:
Connects to:
- 'localhost':1036
- 'go#.gl':80
TCP:
HTTP GET requests:
- http://go#.gl/HNeBi
UDP:
- DNS ASK go#.gl
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
