Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'Pgtig' = '"%APPDATA%\VmkBs\calc.exe"'
- [HKCU\Software\Classes\MSCFile\shell\open\command] '' = '<SYSTEM32>\cmd.exe /c %TEMP%\PxF6q.cmd'
Creates or modifies the following files
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\pgtig.lnk
- <SYSTEM32>\tasks\aikzxnmjjc
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
the following user processes:
- firefox.exe
Hooks functions
in browsers
- firefox.exe process, nss3.dll module
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\runonce.exe
- <SYSTEM32>\regedt32.exe
- <SYSTEM32>\fontview.exe
- <SYSTEM32>\dxdiag.exe
- <SYSTEM32>\sdchange.exe
- <SYSTEM32>\taskeng.exe
- <SYSTEM32>\dvdplay.exe
- <SYSTEM32>\pkgmgr.exe
- <SYSTEM32>\locationnotifications.exe
- <SYSTEM32>\cleanmgr.exe
- <SYSTEM32>\cmdl32.exe
- <SYSTEM32>\calc.exe
- <SYSTEM32>\dinotify.exe
- <SYSTEM32>\wscript.exe
the following user processes:
- iexplore.exe
- firefox.exe
Modifies file system
Creates the following files
- %TEMP%\x5v384e.tmp
- %TEMP%\ermjpz.cmd
- %APPDATA%\vmkbs\calc.exe
- %TEMP%\6642f9.tmp
- %TEMP%\2hgqu.cmd
- <SYSTEM32>\8390\wscript.exe
- %TEMP%\pxf6q.cmd
- %APPDATA%\mozilla\firefox\crash reports\pending\154dcbed-c286-403a-96b8-0bedbc548604.extra
Deletes the following files
- %TEMP%\ermjpz.cmd
- %TEMP%\2hgqu.cmd
- %TEMP%\pxf6q.cmd
Moves the following files
- from %TEMP%\x5v384e.tmp to %APPDATA%\vmkbs\uxtheme.dll
- from %TEMP%\6642f9.tmp to <SYSTEM32>\8390\version.dll
Modifies the following files
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1238866942-1249195528-555854008-1000\f58155b4b1d5a524ca0261c3ee99fb50_d4602615-9d50-4880-be41-678935e93eaa
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-1238866942-1249195528-555854008-1000\f58155b4b1d5a524ca0261c3ee99fb50_d4602615-9d50-4880-be41-678935e93eaa
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\cmd.exe' /c netsh 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)
- '<SYSTEM32>\cmd.exe' /c %TEMP%\eRmjPZ.cmd' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c schtasks.exe /Delete /F /TN "User_Feed_Synchronization-{620cb173-b711-b440-3982-122074ecba8b}"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c %TEMP%\2hgQu.cmd' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c EventVwr.exe' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c %TEMP%\PxF6q.cmd' (with hidden window)
- '%ProgramFiles%\mozilla firefox\minidump-analyzer.exe' "%APPDATA%\Mozilla\Firefox\Crash Reports\pending\154dcbed-c286-403a-96b8-0bedbc548604.dmp"' (with hidden window)
Executes the following
- '<SYSTEM32>\cmd.exe' /c netsh advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any
- '<SYSTEM32>\cmd.exe' /c %TEMP%\eRmjPZ.cmd
- '<SYSTEM32>\cmd.exe' /c schtasks.exe /Delete /F /TN "User_Feed_Synchronization-{620cb173-b711-b440-3982-122074ecba8b}"
- '<SYSTEM32>\schtasks.exe' /Delete /F /TN "User_Feed_Synchronization-{620cb173-b711-b440-3982-122074ecba8b}"
- '<SYSTEM32>\cmd.exe' /c %TEMP%\2hgQu.cmd
- '<SYSTEM32>\cmd.exe' /c EventVwr.exe
- '<SYSTEM32>\eventvwr.exe'
- '<SYSTEM32>\cmd.exe' /c %TEMP%\PxF6q.cmd
- '<SYSTEM32>\schtasks.exe' /Create /F /TN "Aikzxnmjjc" /SC minute /MO 60 /TR "<SYSTEM32>\8390\wscript.exe" /RL highest
- '%ProgramFiles%\mozilla firefox\minidump-analyzer.exe' "%APPDATA%\Mozilla\Firefox\Crash Reports\pending\154dcbed-c286-403a-96b8-0bedbc548604.dmp"
