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Chernobal Virus

By jimmy ·
I ran a virus scan on my PC and it confirmed what i had thought, that the PC had contracted the chernobal virus or w95.CIH.1049
When I ran the virus scanning SW on the PC it said i had over 100 virus' the large majority were showing as the afforementioned virus (about 97 to be exact) amongst other virus')
I have since formatted both hard-disks on the PC and took the CMOS battery out of the Motherboard.
I have booted the PC from a clean bootdisk and re-installed WIn98 ran multiple virus scans using Norton 2002 and all seems to be ok.
The thing is when i go into the BIOS and look at the main screen it says:
Base memory-640k
Extended memory 130048k
Other memory 384k
I know what the first two do and are for but what is the other memory?
I do not seem to recall ever having this other memory on my board (Chaintech, Pentium ii).
Could this 384k be a memory resident virus?
Any help advice much appreciated.
P.S. I am now armed to the teeth with Anti-Virus SW.

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Chernobal Virus

by Elomis In reply to Chernobal Virus

Comisserations on picking up the virus in the first place, that's always a pain as far as productivity etc. are concerned.
The "Other" 384k is probably not a memory resident virus, that's too large for a mrv by most people's reckoning and it is more likely to be something to do with paging, virtual memory or memory on a peripheral (such as 384k of video memory hypothetically). The best thing you can do is (assuming you have an OS up and running) boot into safe mode and use Norton or some other established virus scanner after you have used the "Auto Update" feature to make sure it is current. Some of the things you have to remember when doing your warpaint for virus cleanouts is:
a) Was the bootdisk clean?
b) Where did you get the virus from in the first place? is that still a risk?
c) Have backups and etc been compromised?

Once you have got organised, done the cleanout and made sure everything is safe and secure you should be fine.

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Chernobal Virus

by jimmy In reply to Chernobal Virus

Thanks for the advice guys. the Pc is now clean.

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Chernobal Virus

by dgust In reply to Chernobal Virus

The "other memory" is the space from 640k to 1000k where the video memory is and the Bios is copied to on boot up. It is not used for program or data storage and you can simply ignore it. The computer simply needs a place for storage that is not in the lower 640k or in the extended memory range and this is where the computer designers thought was a good place, after all, who would ever need more than 640k of memory?

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Chernobal Virus

by jimmy In reply to Chernobal Virus

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Chernobal Virus

by jimmy In reply to Chernobal Virus

thanks for the help guys

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Chernobal Virus

by jimmy In reply to Chernobal Virus

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