mata nan BitDef. maha wathayak una, System Restore kalama, Ai Re Install karanna Ona, Hira wenawa, Denata nan Jathi 4 kin Protection dala thiyenne.
Ai danne ne ne BD walata ahu wenne neththe ?
then it must be getting attached with firefox, most viruses do this now.they attaches to other so its hard to remove. Try Safe Mode and Have a Full Scan ?