Reads data files stored by FTP clients

Tries to access configuration files associated with programs like FileZilla.

Reads user/profile data of web browsers

Infostealers often target stored browser data, which can include saved credentials etc.

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.

Accesses Microsoft Outlook accounts

Accesses Microsoft Outlook profiles

Checks installed software on the system

Looks up Uninstall key entries in the registry to enumerate software on the system.

Drops desktop.ini file(s)

Suspicious use of SetThreadContext