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PostPosted: Thu Apr 02, 2009 11:20 am 
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Brown Belt
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Joined: Sun Dec 14, 2008 2:38 pm
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I've been getting alerts from my anti-virus (AVast) all day that FahCore_a1.exe is a Trojan Horse :?

Folding fails to run even if I choose to ignore the warning from AVast. So I've not been able to Fold all day! :x

Has anyone else seen this? Can anyone offer any useful advice to solve the issue?


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PostPosted: Thu Apr 02, 2009 3:20 pm 
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Mobo-fu Master
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Joined: Wed Nov 12, 2003 11:57 am
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Doesn't sound good!
May be best to shut down the F@H process in that folder, and move the core to another folder (Temp?). Then restart the WU process, and if the core it needs is not found, a new one will be downloaded automatically.
Viral types look for executable files to start ravaging.. with the "bat", "com" or "exe" tagnames.
Here is some info on the F@H core types.
This page link may be of use. It explains how to check the integrity of executable files with 'hash marks'.

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PostPosted: Fri Apr 03, 2009 9:39 am 
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Brown Belt
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Joined: Sun Dec 14, 2008 2:38 pm
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AVast sorted the "false positive" problem with a database update.

I'm just curious if it's ever happened to anyone else before?

A whole day wasted! :x :x :x


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PostPosted: Fri Apr 03, 2009 12:47 pm 
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Black Belt 5th Degree
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I've had plenty of false positives with Avast. They've always been with the data files that Folding@Home creates, never with the Folding Core though.

Pete

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PostPosted: Thu Jun 04, 2009 10:10 pm 
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Pilgrim
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Joined: Sat May 30, 2009 10:28 pm
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How do you get rid of trojan horses without downloading a program? Can you do a system restore to restore it to it's original state(before you started using the computer)?I really need some help because I have a computer that has 13 on it and I don't want to buy a new one. What happens if the trojan horse is unhealable?


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PostPosted: Fri Jun 05, 2009 3:23 pm 
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Mobo-fu Master
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Welcome to Motherboards.org, paolari.
The only sure way to cleanse a system that is not in critical stages is by using the 'safe' mode of operation. Disable the Windows Restore feature first, then manually run the anti-virus and other programs needed to flush them out. In 'safe' mode, many programs aren't in an active state.. and this includes most viral and Trojan types. Do a few restarts in 'normal' mode, and once you are sure the system is sanitized, then turn on the Windows restore feature again. If you don't follow this course, then Windows will faithfully undo all your work on the next reboot!
There are many great programs to cleanse a system, and the purchased versions are usually more powerful than those free offers. Additionally, AdAware from www.lavasoft.com/ is great for rooting out nasties and other malicious files and cookies. Another great program is HijackThis from www.majorgeeks.com/download3155.html . Both are freeware, if wanted.
But be cautious about using HijackThis, as Registry 'fixes' are permanent, and may cause system instability if not used properly. If you have questions about a HijackThis scan, post them in our Virus/Spyware topic folder.

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