tokens: Here the list of the files potentially dropped during the installation stage : FILE NAME STAGE DESCRIPTION d3d9.dll Stage 4 Malware loader used for UAC environments with limited privileges ; also protected by VM obfuscation aepic.dll , sspisrv.dll , userenv.dll Stage 4 Malware loader used in presence of administrative privileges ; executed from ( and injected into ) a fake service ; also protected by VM obfuscation msvcr90.dll Stage 5 Malware payload injected into the explorer.exe or winlogon.exe process ; also protected by VM obfuscation .cab Config Main configuration file ; encrypted setup.cab Unknown Last section of the setup executable ; content still unknown .7z Plugin Malware plugin used to spy the victim network communications wsecedit.rar Stage 6 Main malware executable After writing some of these files , the malware decides which kind of installation to perform based on the current privilege provided by the hosting process ( for example , if a Microsoft Office process was used as exploit vector ) : Installation process under UAC When running under a limited UAC account , the installer extracts d3d9.dll and creates a persistence key under HKCU\Software\Microsoft\Windows\Run .