Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%HOMEPATH%\%USERNAME%1\winlogon.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%HOMEPATH%\%USERNAME%1\winlogon.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\DrivesGuideInfo.lnk
- <Drive name for removable media>:\DrivesGuideInfo\svchost.exe
- <Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\Desktop.ini
- <Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\svchost.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks the following features:
- System Restore (SR)
- User Account Control (UAC)
- Windows Security Center
Creates and executes the following:
- '%HOMEPATH%\%USERNAME%1\winlogon.exe'
Executes the following:
- '<SYSTEM32>\svchost.exe'
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- %HOMEPATH%\%USERNAME%1\VERSION.TXT
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\VERSION[1].TXT
- %HOMEPATH%\%USERNAME%1\winlogon.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\Desktop.ini
Network activity:
Connects to:
- 'localhost':1038
- '0-##############################1-0-1-1-1-0-0-0-1-1-1-1-1-1-1-.0-0-0-0-0-0-0-0-0-0-0-0-0-60-0-0-0-0-0-0-0-0-0-0-0-0-0.info':80
- 'wh##.amung.us':80
- '3-#############-r-y-7-g-b-3-8-9-8-4-l-j.cheaps1.info':80
TCP:
HTTP GET requests:
- 0-##############################1-0-1-1-1-0-0-0-1-1-1-1-1-1-1-.0-0-0-0-0-0-0-0-0-0-0-0-0-60-0-0-0-0-0-0-0-0-0-0-0-0-0.info/VERSION.TXT
- wh##.amung.us/widget/l96f428it5mt/
UDP:
- DNS ASK 0-##############################1-0-1-1-1-0-0-0-1-1-1-1-1-1-1-.0-0-0-0-0-0-0-0-0-0-0-0-0-60-0-0-0-0-0-0-0-0-0-0-0-0-0.info
- DNS ASK 3-#############-r-y-7-g-b-3-8-9-8-4-l-j.cheaps1.info
- DNS ASK wh##.amung.us
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'setup'
