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Windows 7: Do not use Combofix on your own!!

30 May 2012   #21
mohamedkamel

Windows 7 Enterprise x64 SP1
 
 

Thanks


My System SpecsSystem Spec
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07 Jun 2012   #22
Joshatdot

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by Zepher View Post
Where do you get special training to use this app?
There aren't any options or setting or anything you can mess with when running this app, you just run it and let it do it's thing.
I use it all the time on systems that are infected, haven't had an issue in the 3-4 years I've used it.
It's usually the only thing that can fix a machine to get it to boot properly and then I can run other malware and virus apps to get rid of anything else left over.
Same here .. I've used it many times to fix many computers.
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19 Sep 2012   #23
darksent21

Windows 7 Ultimate x64
 
 

I just use it to remove my PC's malware and Im just an average computer user..
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19 Sep 2012   #24
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

The point is, it may well bork your PC. Not that people have been successful using it on their own. Many, many people may read this thread. It was meant as a caution. A Guy
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20 Sep 2012   #25
tom982

Microsoft Community Contributor Award Recipient

Windows 8.1 Pro x64
 
 

Quote   Quote: Originally Posted by darksent21 View Post
I just use it to remove my PC's malware and Im just an average computer user..
While you may have escaped without it kicking up a fuss this time, it's impossible to guarantee the same will happen if you choose to run it again. CF acts in kernel-mode and can therefore delete core Windows files with ease, if something goes wrong, it's likely to go very wrong. Like many other malware removal tools, they are designed for us under the supervision of a trained instructor so we can analyse the logs to see if any issues remain. If an untrained user runs CF out of the blue, it may well remove the symptoms of the malware that you have, but for all you know there could be leftover parts that are still active, at which point you would be under false pretences and would probably use the computer as if it was clean, when it may not be. A lot of the time, CF requires a custom script to complete the removal process. There are thousands (probably tens or hundreds of thousands) of malware removal threads where the helper has had to use a custom script to finish off, here's one example:

http://www.bleepingcomputer.com/forums/topic466102.html

When you run ComboFix, the disclaimer clearly says that the tool should not be run unsupervised. As stated by the author of ComboFix:


Quote:
ComboFix is a very powerful tool which when improperly used may render your machine to a doorstop.


We first need to verify if there are any rootkits present and how they could affect our tools. Thus, we use preliminary scans like DDS and GMER and their logs to map our strategy for attack.

With these logs, we can determine the infections present and decide whether to deploy ComboFix.
Tom
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20 Sep 2012   #26
darksent21

Windows 7 Ultimate x64
 
 

I get your point.. it's a bit risky.. now I can compare it to an antibiotic.. it kills bacteria.. even the good one.. same with the combo fix.. it may delete the virus.. even your core files..
in my situation where I find CF useful.. I have a cousin who watch porn every night.. and when I use my computer I suddenly notice that its already infected(trojans,worms,backdoor). I install avira, AVG and other free antivirus software.. I also install malwarebye and ccleaner.. still no luck.. I entered the darkside (ifyouknowwhatImean).. it might work because it's a full version.. but STILL no LUCK!!.. so my last resort is to reformat my computer.. but I misplace my windows 7 DVD.. and using a pirated one is a bit hassle because I paid for my OS.. and at last... someone suggest to use CF.. it's like a do or die situation... and im really really impress because it fix my computer... the end
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20 Sep 2012   #27
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Good post Tom

A Guy
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20 Sep 2012   #28
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Quote   Quote: Originally Posted by darksent21 View Post
so my last resort is to reformat my computer.. but I misplace my windows 7 DVD.. and using a pirated one is a bit hassle because I paid for my OS..
Let me make your day, and bring you from the dark side into the light : if you have paid for your OS, then you have a Product key. All you need is a Windows 7 installation DVD, which you can create in a matter of minutes by downloading the ISO for the version you are using:
Download Windows 7 ISO (Official 32-bit and 64-bit Direct Download Links) « My Digital Life
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21 Sep 2012   #29
darksent21

Windows 7 Ultimate x64
 
 

I didn't knew I can use other windows ISO before..
well I found mine at the attic

so if combo fix can mess up your system.. can you just repair it using your windows installation disc?
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21 Sep 2012   #30
F5ing

Windows 7 Ultimate x64
 
 

Even a full fresh install, as long as you can download/burn that iso and boot it from UFD or optical drive, as well as having your paid for product key in your posession.
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Reply

 Do not use Combofix on your own!!




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