Four forms of Bhagvan Vishnu are worshiped in temples and sacred places. They are Yoga, Bhoga, Vira and Abhicharika forms. The abhicharika form of Vishnu is worshipped very rarely and is done by those people who have evil designs.
Abhicharika form of Vishnu is worshipped for the purpose of defeating enemies. To cause damage and death on enemies.
As the murti is inauspicious and unfit, it is not worshipped in temples.
Such murtis are usually installed in forests, mountains, marshy tracts, forts and in secret places.
The murt is in the usual form of Vishnu worshipped in temples. It is immovable.