Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Rzdzyeudxvdlm' = '%APPDATA%\Microsoft\Windows\Libraries\Qh\mspaint.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\tszgooptjc
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\cdusbfrrr.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>\p2phost.exe
- <SYSTEM32>\mspaint.exe
- <SYSTEM32>\taskmgr.exe
the following user processes:
- firefox.exe
- iexplore.exe
Modifies file system
Creates the following files
- %LOCALAPPDATA%\lub0zy5\p2p.dll
- %LOCALAPPDATA%\lub0zy5\p2phost.exe
- %APPDATA%\mail.ru\agent\mra\html\ua\jabber\8txk7n\p2p.dll
- %APPDATA%\mail.ru\agent\mra\html\ua\jabber\8txk7n\p2phost.exe
- %LOCALAPPDATA%\bszdu\mfc42u.dll
- %LOCALAPPDATA%\bszdu\mspaint.exe
- %APPDATA%\microsoft\windows\libraries\qh\mfc42u.dll
- %APPDATA%\microsoft\windows\libraries\qh\mspaint.exe
- %LOCALAPPDATA%\te8amr6\secur32.dll
- %LOCALAPPDATA%\te8amr6\taskmgr.exe
- %APPDATA%\microsoft\windows\themes\ywaym4dle\secur32.dll
- %APPDATA%\microsoft\windows\themes\ywaym4dle\taskmgr.exe
Deletes the following files
- %LOCALAPPDATA%\lub0zy5\p2p.dll
- %LOCALAPPDATA%\lub0zy5\p2phost.exe
- %LOCALAPPDATA%\bszdu\mfc42u.dll
- %LOCALAPPDATA%\bszdu\mspaint.exe
- %LOCALAPPDATA%\te8amr6\secur32.dll
- %LOCALAPPDATA%\te8amr6\taskmgr.exe
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%\lub0zy5\p2phost.exe'
- '%LOCALAPPDATA%\bszdu\mspaint.exe'
- '%LOCALAPPDATA%\te8amr6\taskmgr.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)
