Sino gusto funne scandal

Question

i've been encountering the same problems as the sino gusto funny scandal open mo to ganda etc. with my yahoo messenger account. everytime i would start up a chat the mouse will automatically move on its own and my status will automatically change and this will happen again twice or three times the whole time i'm logged in to my yahoo messenger. tried changing my account, still it has the same problem. what is the best solution for this?