Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Lsesuwtu' = '%APPDATA%\OPERAS~1\OPERAS~1\DICTIO~1\EZMFHT~1\calc.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\gnmfxdc
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\ggubbmg.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>\raserver.exe
- <SYSTEM32>\calc.exe
- <SYSTEM32>\msfeedssync.exe
the following user processes:
- firefox.exe
- iexplore.exe
Modifies file system
Creates the following files
- %LOCALAPPDATA%\jpshc\wtsapi32.dll
- %LOCALAPPDATA%\jpshc\raserver.exe
- %APPDATA%\microsoft\templates\3zqwofklo2\wtsapi32.dll
- %APPDATA%\microsoft\templates\3zqwofklo2\raserver.exe
- %LOCALAPPDATA%\jew3\version.dll
- %LOCALAPPDATA%\jew3\calc.exe
- %APPDATA%\opera software\opera stable\dictionaries\ezmfhtixrhh\version.dll
- %APPDATA%\opera software\opera stable\dictionaries\ezmfhtixrhh\calc.exe
- %LOCALAPPDATA%\zhevr\version.dll
- %LOCALAPPDATA%\zhevr\msfeedssync.exe
- %APPDATA%\icqm\icq\database\iqr\version.dll
- %APPDATA%\icqm\icq\database\iqr\msfeedssync.exe
Deletes the following files
- %LOCALAPPDATA%\jpshc\raserver.exe
- %LOCALAPPDATA%\jpshc\wtsapi32.dll
- %LOCALAPPDATA%\jew3\calc.exe
- %LOCALAPPDATA%\jew3\version.dll
- %LOCALAPPDATA%\zhevr\msfeedssync.exe
- %LOCALAPPDATA%\zhevr\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%\jpshc\raserver.exe'
- '%LOCALAPPDATA%\jew3\calc.exe'
- '%LOCALAPPDATA%\zhevr\msfeedssync.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)
