diff --git a/descriptions/AntiCheat.Mfuscator.md b/descriptions/AntiCheat.Mfuscator.md
new file mode 100644
index 000000000..35a19d8b2
--- /dev/null
+++ b/descriptions/AntiCheat.Mfuscator.md
@@ -0,0 +1 @@
+**Mfuscator** is an obfuscator for .NET assemblies used in games to protect their code against reverse engineering and tampering, typically producing a paired set of `Game.dll` and `Engine.dll` files in the game's root folder.
diff --git a/rules.ini b/rules.ini
index e65448e65..04b511bd6 100644
--- a/rules.ini
+++ b/rules.ini
@@ -252,6 +252,8 @@ EA_AntiCheat = (?:^|/)EAAntiCheat\.Installer\.exe$
 EQU8 = (?:^|/)equ8_conf\.json$
 FredaikisAntiCheat = (?:^|/)FredaikisAntiCheat/
 HackShield = (?:^|/)HShield/HSInst\.dll$
+Mfuscator[] = ^Game\.dll$
+Mfuscator[] = ^Engine\.dll$
 NetEase_AntiCheatExperts = (?:^|/)NeacSafe64(?:_ex)?\.sys$
 NetEase_Yidun = (?:^|/)NEP2\.dll$
 nProtect_GameGuard = (?:^|/)gameguard\.des$
diff --git a/tests/types/AntiCheat.Mfuscator.txt b/tests/types/AntiCheat.Mfuscator.txt
new file mode 100644
index 000000000..27e656073
--- /dev/null
+++ b/tests/types/AntiCheat.Mfuscator.txt
@@ -0,0 +1,2 @@
+Game.dll
+Engine.dll