While NotEnoughUpdates (NEU) is a legitimate and popular Minecraft mod for Hypixel Skyblock, official versions do come with "-lunar" in the filename, nor do they require a separate manual download to work with Lunar Client. Why this file is dangerous
If you haven't run it yet, delete it immediately. If you have already run the file: NotEnoughUpdates-2.1-lunar (1).jar
The "(1)" at the end suggests the file was downloaded multiple times, and the "-lunar" suffix is a known naming convention used by "rats" (Remote Access Trojans) to trick Lunar Client users. Immediate Actions to Take While NotEnoughUpdates (NEU) is a legitimate and popular
Go to your Microsoft account settings and remove any suspicious "apps" or "integrations" you don't recognize. Immediate Actions to Take Go to your Microsoft
Scammers often distribute modified ".jar" files via Discord or third-party sites, claiming they are special "beta" versions or "client fixes". These often contain "session loggers" that steal your login tokens.