Thrasher Trojan

There are no doubts that this spyware, which is already quite old, is still able to produce a lot of damage to many modern PCs. Thrasher Trojan was written in Assembler language; that's why the infection is quite small, but brutal. Among the effects, which may occur in the result of this trojan's activities, are computer slowdown, often crashes, the loss of important data, etc.