Assalam o alaikum
main apnay p.c main jab u.s.b ya memory card lagati hu to face book password hacker nam ka virus aa jata hy or us u.s.b sy jo bhi file p.c main copy karo to us ka size 1 kb likha aata hy or wo open bhi nhi hoti kya aap main sy koi bata skta hy k ye kaisay sahi hoga jab k main u.s.b or computer dono scan kr k bhi dekh chuki hu.