أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Try to scan and clean infected file through an existing clean computer havning updated anti-virus programm.
That is where you put the money you use in Anti Virus solution in use. If the virus is known and a definition can cleanly clean the infected file thats good news. With polymorphic and more sophisticated viruses though, sometime a generic detection can't fully clean a file. Some antivirus company as part of their support will take that file and analyst will analyze and clean out the file for you, this is the perk of using paid antivirus system too.
That being said its best to have backups , especially for important files.
It is depend on what type of file is Infected. If a database infected try to scan the computer with antivirus then restore database from recent backup that is not infected.
by using anti virus program to disinfect the file
by using a Best anti virus