: Some legitimate custom indicators for MT4 are distributed as .rar files. For example, a Forex Factory manual describes a .rar containing "NanoTraderAnalyzer.ex4" and "NanoTraderSignal.ex4".
: Always run a full antivirus scan on any .rar file before opening it, especially if it was downloaded from a public forum. Download Nano Trader rar
: Ensure you are using the latest version of WinRAR (6.23 or higher) to protect against known exploits. : Some legitimate custom indicators for MT4 are
like WH SelfInvest or NinjaTrader .