Due to its age, UberMetrics no longer hosts WAN Killer directly on the main PRTG site (they push users toward PRTG’s built-in "WAN Simulator" sensor). Consequently, many third-party sites host the 1.1 executable.
Identify the "breaking point" of your network devices, such as routers or switches, during extreme traffic jumps. wan killer 1.1 download
The search for persists because network engineers love simple, brutal tools. However, the internet of 2025 is much more dangerous than the internet of 2012. Legacy executables are often booby-trapped. Your safest path is to either run version 1.1 in an air-gapped VM or migrate to an open-source alternative like Ostinato. Due to its age, UberMetrics no longer hosts