Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Mhjtrlfwxvkpxir' = '%APPDATA%\MICROS~1\INTERN~1\QUICKL~1\USERPI~1\CDj\sethc.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\tdqmqxonxilqm
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\zkuknxiyklfdzs.lnk
Malicious functions
Executes the following
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\adaptertroubleshooter.exe
- <SYSTEM32>\sethc.exe
- <SYSTEM32>\mpsigstub.exe
the following user processes:
- firefox.exe
- iexplore.exe
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\adhd_and_obesity.docx
- %HOMEPATH%\desktop\dashborder_120.bmp
- %HOMEPATH%\desktop\hadac_newsletter_july_2010_final.docx
Modifies file system
Creates the following files
- %LOCALAPPDATA%\j0xz1tv9r\d3d9.dll
- %LOCALAPPDATA%\j0xz1tv9r\adaptertroubleshooter.exe
- %APPDATA%\icqm\icq\smiles\smiles\animated\ytiga\d3d9.dll
- %APPDATA%\icqm\icq\smiles\smiles\animated\ytiga\adaptertroubleshooter.exe
- %LOCALAPPDATA%\flm6zdum\uxtheme.dll
- %LOCALAPPDATA%\flm6zdum\sethc.exe
- %APPDATA%\microsoft\internet explorer\quick launch\user pinned\cdj\uxtheme.dll
- %APPDATA%\microsoft\internet explorer\quick launch\user pinned\cdj\sethc.exe
- %LOCALAPPDATA%\0lhv\version.dll
- %LOCALAPPDATA%\0lhv\mpsigstub.exe
- %APPDATA%\microsoft\windows\recent\customdestinations\ph\version.dll
- %APPDATA%\microsoft\windows\recent\customdestinations\ph\mpsigstub.exe
Deletes the following files
- %LOCALAPPDATA%\j0xz1tv9r\adaptertroubleshooter.exe
- %LOCALAPPDATA%\j0xz1tv9r\d3d9.dll
- %LOCALAPPDATA%\flm6zdum\sethc.exe
- %LOCALAPPDATA%\flm6zdum\uxtheme.dll
- %LOCALAPPDATA%\0lhv\mpsigstub.exe
- %LOCALAPPDATA%\0lhv\version.dll
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-1960123792-2022915161-3775307078-1001\f58155b4b1d5a524ca0261c3ee99fb50_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
Miscellaneous
Creates and executes the following
- '%LOCALAPPDATA%\j0xz1tv9r\adaptertroubleshooter.exe'
- '%LOCALAPPDATA%\flm6zdum\sethc.exe'
- '%LOCALAPPDATA%\0lhv\mpsigstub.exe'
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any' (with hidden window)
