I would argue it could exist, slap an IR seeker on it and allow it lock IR signatures.
What we can almost 100% gaurantee is the missile will not function like it does in game.
It will not act like it does capable of hitting moving targets and it will not have the detection range it has in game.
here is an extract from KBM the designers and producers of the LMUR one of the few “man in the loop guided systems”
*“One of the important features of the missile is a high degree of protection against interference and electronic warfare. To date, in combat conditions, there have been no cases of suppression of the control channel of a light multi-purpose guided missile (LMUR “Product 305”) during a special operation,” the state corporation added. *
The missile operates in several modes, including a “fire-and-forget” capability. In this mode, the missile’s homing system locks onto the target while still mounted on the helicopter, allowing it to work autonomously after launch. This feature improves operational flexibility and reduces the risk to the crew.
*In remote control mode, the missile is launched towards specific coordinates and initially flies in inertial mode. As it nears the target, the homing system activates, transmitting an image to the operator’s screen in the helicopter cockpit. The operator then identifies the target and guides the missile to it. *
In a third mode, the missile is fired inertially toward the approximate coordinates of the target. As it nears the target, the homing system provides the operator with a live image of the terrain. The operator identifies the target, and the missile adjusts its trajectory to ensure a direct hit.strong text
In every mode this missile cannot determine what it is looking at, it cannot hit a moving target without operators input. Why would anyone think KH-38MT could track and hit a moving tank at 20km away
LMUR is one of Russias most advanced and newest missiles