Hi Polonus,

Thanks for your summary result, anyway i have tried to delete whole notepad file in .exe format but those files still listed on our customer NAS HDD. Beside in notepad.exe format, also listed on DOS command format.

Each time we open to the folder which is contains those files, avast always give notification that those files infected “Win32:Patched-ACI [Trj] or Win32.Banker”

I am not sure whether those files came from another users from network or their NAS HDD still infected with those kinds malware?