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Virus removal?

By protech ·
I am somewhat confused about virus removal. I was told that if an HDD is so infected that the system is hardly operational that you can remove the HDD, install it in to another PC with current Antivirus software on the C:, and scan the infected drive, from the C: drive. After repairs, just reinstall the fixed drive back in to the original PC? Someone else told me that you can just boot the infected system with anti virus software in the boot device A:, CD-ROM, etc.. and that as part of the antivirus installation process the software would start detecting and repairing/isolating any infections it found while booting up? Please direct me to a web site or written manual that truely addresses recoverying PC's that are infected with a virus. Some people, heaven forbid, don't have anti virus software installed! Thanks!

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Virus removal?

by MachineType In reply to Virus removal?

The bootable antivirus software they were refering to is F-Prot if you go to this site:

http://www.claymania.com/f-prot.html
(be sure to remove any spaces)
you can download the latest definitions and it has install instructions.

You could also take out the harddrive and attach it to another system and run an anti-virus program from there. AVG is a good free antivirus program that you might want to think about getting you can download it from

www.grisoft.com

Good Luck!

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Virus removal?

by protech In reply to Virus removal?

Thanks so much for your answer. I'm new at this and still learning.

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Virus removal?

by meddjay In reply to Virus removal?

There is always formatting the C drive....

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by protech In reply to Virus removal?

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by Simon@SRN In reply to Virus removal?

It depends entirely on the virus you are infected with. MTX virus can be removed by connecting the HD to another PC and letting that PC scan & remove the virus. Which is the only option really with MTX because its clever trick is to stop you installing any antivirus software once its infected.

On the other hand, removing Sircam like this would result in the PC being almost useless. Because sircam takes over the part of windows that associates file extensions (e.g. .doc, .pdf) with programs.

I suggest you goto http://www.symantec.com/avcenter/index.html
and do more research on the virus you think you have, and ask again when you know exactly what your infected with. :)

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Virus removal?

by protech In reply to Virus removal?

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by 1stladytech In reply to Virus removal?

Virus removal does depend alot on the virus that you are removing. Some of the viruses can be removed by putting the drive in a different system with current anti-virus software and running a scan. Usually that will get some of the virus removed, but not there is usually more virus files that cannot be detected unless you boot on the infected hdd. You can also boot from the NAV antivirus software disk and run a dos level scan, that will catch some of them, but the definitions are generally not current on the cd - so many of the new virus's will not be detected. I generally use a combination approach to virus removal, such as running a scan in a different computer to identify which virus I am trying to remove, and then using safe mode, dos level scanning and manual editing of the system to remove the virus's that I identified. There is not magic bullet that I have found, just combination approaches that evolve over time. Some of the virus's are to invasive to actually remove without leaving the system non-functional, those we just back up data and reformat and load. With almost 60,000 virus's out there right now, it really depends on which virus has infected the system as to how you can remove it. Symantec does have instructions of manually removeing many virus infections that are very good. Just look up each virus in the Security Response area and follow the directions.

Vickie

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by protech In reply to Virus removal?

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by limatik In reply to Virus removal?

Hi,

I do the ff. in case of suspected virus infection:
1. Know the virus
- You really have to know the virus and its type, this will help identify the kind of damage it can do and methods of removal and prevention
2. Get a second opinion
- Its not enough to scan your system using only one antivirus software (programs are programs, and made by human, and yes, can be wrong) use your regular antivirus software and get one of those reliable free programs (I guess you can use free/trial/evaluation antivirus software for this purpose), I use AVG free edition for second opinion (www.grisoft.com)
3. Always be updated
- There's always a regular update for your antivirus, use it.
4. Isolate
- I dont think its a good idea to put othersat risk by letting other pc's scan your harddrive, you risk infecting them as well. I recommend, booting from a clean write-protected boot disk and running the antivirus program from a clean write-protected floppy or cd.
5. Start from scratch
- If the infection has caused so much damage, its no use making do with repaired files, the best thing to do is to reformat your harddrive and reinstall everything. Thats why you always have to have BACKUPS.

Cheers,
ALAS

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