Ask the Expert

Cleaning a virus in active memory

I have a virus "Defo," and I have F-Prot. But this antivirus tells me the virus is active in memory, so the program can't clean my memory when I start the computer with a boot disk. What should I do? Thank you

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To successfully clean any memory-resident virus, it is always advisable to boot your system with a clean boot disk. A clean boot disk is made on a system that is NOT infected, or else it is likely that the virus will infect your boot disk, defeating the purpose.

To obtain a clean boot disk, you should either use one that you created when your system was first installed (and hopefully virus-free) or you may have to get one made for you by a friend with a clean system or from a computer store.

For more information on this topic, visit these other SearchSecurity resources:
Virus Prevention Tip: Scan and clean viruses via the Web
Virus Prevention Tip: Cleaning out a virus infection
Ask the Expert: Maintaining security after cleaning an infected system

This was first published in May 2002

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