Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Zbwzmhqipzwdnkz' = '%APPDATA%\Adobe\FLASHP~1\mUHq\unregmp2.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\rnkfncomuchu
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\nyiqsjinhbuydmn.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>\winlogon.exe
- <SYSTEM32>\unregmp2.exe
- <SYSTEM32>\cttune.exe
the following user processes:
- firefox.exe
- iexplore.exe
Modifies file system
Creates the following files
- %LOCALAPPDATA%\5zlzx\winsta.dll
- %LOCALAPPDATA%\5zlzx\winlogon.exe
- %APPDATA%\adobe\acrobat\dc\forms\hl\winsta.dll
- %APPDATA%\adobe\acrobat\dc\forms\hl\winlogon.exe
- %LOCALAPPDATA%\8rp\version.dll
- %LOCALAPPDATA%\8rp\unregmp2.exe
- %APPDATA%\adobe\flash player\muhq\version.dll
- %APPDATA%\adobe\flash player\muhq\unregmp2.exe
- %LOCALAPPDATA%\jbowyfvn\uxtheme.dll
- %LOCALAPPDATA%\jbowyfvn\cttune.exe
- %APPDATA%\icq-profile\base\caj\uxtheme.dll
- %APPDATA%\icq-profile\base\caj\cttune.exe
Deletes the following files
- %LOCALAPPDATA%\5zlzx\winlogon.exe
- %LOCALAPPDATA%\5zlzx\winsta.dll
- %LOCALAPPDATA%\8rp\unregmp2.exe
- %LOCALAPPDATA%\8rp\version.dll
- %LOCALAPPDATA%\jbowyfvn\cttune.exe
- %LOCALAPPDATA%\jbowyfvn\uxtheme.dll
Modifies the following files
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1960123792-2022915161-3775307078-1001\f58155b4b1d5a524ca0261c3ee99fb50_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
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%\5zlzx\winlogon.exe'
- '%LOCALAPPDATA%\8rp\unregmp2.exe'
- '%LOCALAPPDATA%\jbowyfvn\cttune.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)
