Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'LSAgent' = '%WINDIR%\lsass.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Win32' = '%WINDIR%\system.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe "%ALLUSERSPROFILE%\application data\Microsoft\KBDriver\kbsys.exe"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'DirLock' = '%ALLUSERSPROFILE%\application data\Lambda\DirLock.exe'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Classified.exe
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\sr] 'Start' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\srservice] 'Start' = '00000002'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Read1st.exe
- <Drive name for removable media>:\Classified.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)
Creates and executes the following:
- %WINDIR%\lsass.exe
- <SYSTEM32>\winnthlp2.exe
- %ALLUSERSPROFILE%\Application Data\Lambda\DirLock.exe
- <SYSTEM32>\winnthlp1.exe
Executes the following:
- %WINDIR%\explorer.exe <Current directory>\<Virus name>
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\cscript.exe
- System
the following user processes:
- AVGCTRL.EXE
- ClamWin.exe
- fsavgui.exe
- ashAvast.exe
- avgcc.exe
- AVGCC32.EXE
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Creates the following files:
- %WINDIR%\Provisioning.exe
- %WINDIR%\pss.exe
- %WINDIR%\Registration.exe
- %WINDIR%\pchealth.exe
- %WINDIR%\PeerNet.exe
- %WINDIR%\Prefetch.exe
- %WINDIR%\SoftwareDistribution.exe
- %WINDIR%\srchasst.exe
- %WINDIR%\system.exe
- %WINDIR%\repair.exe
- %WINDIR%\Resources.exe
- %WINDIR%\security.exe
- %WINDIR%\ime.exe
- %WINDIR%\java.exe
- %WINDIR%\Media.exe
- %WINDIR%\Driver Cache.exe
- %WINDIR%\ehome.exe
- %WINDIR%\Help.exe
- %WINDIR%\mui.exe
- %WINDIR%\OemDir.exe
- %WINDIR%\Offline Web Pages.exe
- %WINDIR%\Microsoft.NET.exe
- %WINDIR%\msagent.exe
- %WINDIR%\msapps.exe
- %ALLUSERSPROFILE%\Application Data\Lambda\DirLock.exe
- %TEMP%\9bc8aq-97cxfq-4t4kwu-ssw6k7-bggqmn\2.exe
- <SYSTEM32>\winnthlp1.exe
- %ALLUSERSPROFILE%\Documents\autorun.inf
- %WINDIR%\shutdown.dll
- %ALLUSERSPROFILE%\Application Data\Microsoft\KBDriver\kbsys.exe
- <SYSTEM32>\winnthlp2.exe
- C:\Read1st.exe
- C:\autorun.inf
- %TEMP%\1pufhx-1mv3lx-x8nr22-k6fdre-3uzxtv\1.exe
- %WINDIR%\lsass.exe
- %TEMP%\vsx9sm-vpxywm-qbpldq-e9i723-xx1r3j\2.exe
- %WINDIR%\Web.exe
- %WINDIR%\WinSxS.exe
- %WINDIR%\<Auxiliary name>.exe
- <SYSTEM32>.exe
- %WINDIR%\Temp.exe
- %WINDIR%\twain_32.exe
- %ALLUSERSPROFILE%\Documents\My Videos.exe
- %ALLUSERSPROFILE%\Documents\Classified.exe
- %ALLUSERSPROFILE%\Documents\Read1st.exe
- %WINDIR%\Classified.exe
- %ALLUSERSPROFILE%\Documents\My Music.exe
- %ALLUSERSPROFILE%\Documents\My Pictures.exe
- %WINDIR%\Debug.exe
- %PROGRAM_FILES%\ComPlus Applications.exe
- %PROGRAM_FILES%\FireFox.exe
- %PROGRAM_FILES%\Internet Explorer.exe
- %HOMEPATH%\My Documents\My Pictures.exe
- %HOMEPATH%\My Documents\Classified.exe
- %CommonProgramFiles%.exe
- %PROGRAM_FILES%\Movie Maker.exe
- %PROGRAM_FILES%\MSBuild.exe
- %PROGRAM_FILES%\MSN.exe
- %PROGRAM_FILES%\Messenger.exe
- %PROGRAM_FILES%\microsoft frontpage.exe
- %PROGRAM_FILES%\Microsoft.NET.exe
- C:\Documents and Settings.exe
- C:\Far.exe
- C:\<Auxiliary name>.exe
- <Current directory>\Classified.exe
- <Current directory>\<Virus name>\Classified.exe
- <Current directory>.exe
- C:\Classified.exe
- %HOMEPATH%\My Documents\Downloads.exe
- %HOMEPATH%\My Documents\My Music.exe
- %PROGRAM_FILES%.exe
- <Auxiliary element>
- %WINDIR%.exe
- %CommonProgramFiles%\SpeechEngines.exe
- %CommonProgramFiles%\System.exe
- %CommonProgramFiles%\<Auxiliary name>.exe
- %CommonProgramFiles%\MSSoap.exe
- %CommonProgramFiles%\ODBC.exe
- %CommonProgramFiles%\Services.exe
- %WINDIR%\Config.exe
- %WINDIR%\Connection Wizard.exe
- %WINDIR%\Cursors.exe
- %CommonProgramFiles%\Classified.exe
- %WINDIR%\addins.exe
- %WINDIR%\AppPatch.exe
- %PROGRAM_FILES%\Online Services.exe
- %PROGRAM_FILES%\Outlook Express.exe
- %PROGRAM_FILES%\Reference Assemblies.exe
- %PROGRAM_FILES%\MSN Gaming Zone.exe
- %PROGRAM_FILES%\MSXML 6.0.exe
- %PROGRAM_FILES%\NetMeeting.exe
- %PROGRAM_FILES%\<Auxiliary name>.exe
- %PROGRAM_FILES%\Classified.exe
- %CommonProgramFiles%\Microsoft Shared.exe
- %PROGRAM_FILES%\Windows Media Player.exe
- %PROGRAM_FILES%\Windows NT.exe
- %PROGRAM_FILES%\xerox.exe
Sets the 'hidden' attribute to the following files:
- C:\autorun.inf
- <Drive name for removable media>:\Read1st.exe
- <Drive name for removable media>:\autorun.inf
- %ALLUSERSPROFILE%\Documents\Read1st.exe
- %ALLUSERSPROFILE%\Documents\autorun.inf
- C:\Read1st.exe
Deletes the following files:
- %ALLUSERSPROFILE%\Application Data\Microsoft\KBDriver\kbsys.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Classified.exe
- %WINDIR%\system.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: ''