Drops startup file

Reads user/profile data of web browsers

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

Drops desktop.ini file(s)

Looks up external IP address via web service

Uses a legitimate IP lookup service to find the infected system's external IP.

Drops autorun.inf file

Malware can abuse Windows Autorun to spread further via attached volumes.

Drops file in System32 directory