Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '%TEMP%\ev~nen^e2.exe' = '%TEMP%\ev~nen^e2.exe'
Creates or modifies the following files:
- %WINDIR%\Tasks .exe
Creates the following files on removable media:
- <Drive name for removable media>:\win7~con.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\ftp.exe' = '<SYSTEM32>\ftp.exe:*:Enabled:Windows Update'
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Creates and executes the following:
- %TEMP%\ev~nen^e2.exe
Executes the following:
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /V Hidden /T REG_DWORD /D 00000002 /F
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /V ShowSuperHidden /T REG_DWORD /D 00000000 /F
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /V HideFileExt /T REG_DWORD /D 00000001 /F
- <SYSTEM32>\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "%TEMP%\ev~nen^e2.exe" /t REG_SZ /d "%TEMP%\ev~nen^e2.exe" /f
- <SYSTEM32>\reg.exe ADD HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "<SYSTEM32>\ftp.exe" /d "<SYSTEM32>\ftp.exe:*:Enabled:Windows Update" /f
- <SYSTEM32>\ftp.exe -s:s63$$.ini
Modifies file system :
Creates the following files:
- %WINDIR%\Offline Web Pages .exe
- %WINDIR%\pchealth .exe
- %WINDIR%\mui .exe
- %WINDIR%\ocx .exe
- %WINDIR%\Provisioning .exe
- %WINDIR%\pss .exe
- %WINDIR%\PeerNet .exe
- %WINDIR%\Prefetch .exe
- %WINDIR%\Installer .exe
- %WINDIR%\java .exe
- %WINDIR%\ime .exe
- %WINDIR%\inf .exe
- %WINDIR%\msagent .exe
- %WINDIR%\msapps .exe
- %WINDIR%\Media .exe
- %WINDIR%\Microsoft.NET .exe
- %WINDIR%\Registration .exe
- %WINDIR%\Web .exe
- %WINDIR%\WinSxS .exe
- %WINDIR%\Temp .exe
- %WINDIR%\twain_32 .exe
- %TEMP%\CRNJEUFU_%USERNAME%.gif
- %TEMP%\s63$$.ini
- %WINDIR%\<Auxiliary name> .exe
- %TEMP%\ev~nen^e2.exe
- %WINDIR%\security .exe
- %WINDIR%\SoftwareDistribution .exe
- %WINDIR%\repair .exe
- %WINDIR%\Resources .exe
- <SYSTEM32> .exe
- <Auxiliary element>
- %WINDIR%\srchasst .exe
- %WINDIR%\system .exe
- %WINDIR%\Help .exe
- %PROGRAM_FILES%\MSN Gaming Zone .exe
- %PROGRAM_FILES%\NetMeeting .exe
- %PROGRAM_FILES%\MSBuild .exe
- %PROGRAM_FILES%\MSN .exe
- %PROGRAM_FILES%\Reference Assemblies .exe
- %PROGRAM_FILES%\Uninstall Information .exe
- %PROGRAM_FILES%\Online Services .exe
- %PROGRAM_FILES%\Outlook Express .exe
- %PROGRAM_FILES%\FireFox .exe
- %PROGRAM_FILES%\Internet Explorer .exe
- %CommonProgramFiles% .exe
- %PROGRAM_FILES%\ComPlus Applications .exe
- %PROGRAM_FILES%\Microsoft.NET .exe
- %PROGRAM_FILES%\Movie Maker .exe
- %PROGRAM_FILES%\Messenger .exe
- %PROGRAM_FILES%\microsoft frontpage .exe
- %PROGRAM_FILES%\Windows Media Player .exe
- %WINDIR%\Cursors .exe
- %WINDIR%\Debug .exe
- %WINDIR%\Config .exe
- %WINDIR%\Connection Wizard .exe
- %WINDIR%\ehome .exe
- %WINDIR%\Fonts .exe
- %WINDIR%\Downloaded Program Files .exe
- %WINDIR%\Driver Cache .exe
- %PROGRAM_FILES%\xerox .exe
- %WINDIR%\$NtUninstallKB942288-v3$ .exe
- %PROGRAM_FILES%\Windows NT .exe
- %PROGRAM_FILES%\WindowsUpdate .exe
- %WINDIR%\AppPatch .exe
- %WINDIR%\assembly .exe
- %WINDIR%\$NtUninstallWIC$ .exe
- %WINDIR%\addins .exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\win7~con.exe
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'ft#.#pg.com.br':21
- 'localhost':1036
UDP:
- DNS ASK ft#.#pg.com.br
