Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Classes\Folder\shell\open\command] '' = '%SystemRoot%\Explorer.exe /e,/idlist,%I,%L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zzzNoAutoRun' = 'c:\Recycled\NoAutorun.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'zzzNoAutoRun' = 'c:\Recycled\NoAutorun.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Recycled\NoAutorun.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- C:\Recycled\NoAutorun.exe
Executes the following:
- <SYSTEM32>\reg.exe delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /f /v DisableTaskMgr
- <SYSTEM32>\reg.exe delete HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System /f /v DisableTaskMgr
- <SYSTEM32>\reg.exe delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /f /v DisableRegistryTools
- <SYSTEM32>\reg.exe delete HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System /f /v DisableRegistryTools
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoStartMenuSubFolders' = '00000000'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = '00000000'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoRun' = '00000000'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoStartMenuSubFolders' = '00000000'
Forces autoplay for removable media.
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- C:\Recycled\NoAutorun.bat
- C:\autorun.info
- C:\Recycled\NoAutorun.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Recycled\NoAutorun.exe
- C:\Recycled\NoAutorun.bat
- <Full path to virus>
- C:\autorun.info
- C:\Recycled\NoAutorun.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- C:\Recycled\NoAutorun.exe.0
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
