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Tricky malware not showing up on scans


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#1 davidcv

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Posted 06 September 2014 - 03:39 PM

Yesterday my font in Chrome suddenly looked different, so I did a virus scan just to be safe, and the BitDefender free online scan detected Gen.Variant.Kazy. (In retrospect, I'm pretty sure the changed font was actually because of a Chrome update, not the virus.) I originally had Avast AV on my computer, and after finding the virus I purchased Kaspersky to replace it, but neither scanner could detect the virus, and neither could Spybot S&D or Malwarebytes. I wondered if it was just a false positive, but eventually I just deleted the file that was flagged by BitDefender and the next scan showed my system was clean. 
 
I noticed that my wireless connection kept turning off for no reason while I was working on getting rid of the virus. I also found that AdBlocker was destroyed--it still showed as a Chrome extension, but it wasn't working and had apparently been gutted. 
 
I reinstalled AdBlocker after I got rid of the virus, and everything else seemed normal. However, I just tried to log in to two of my online banking sites and was warned by Chrome that "You attempted to reach www.[mybank].com, but the server presented a certificate issued by an entity that is not trusted by your computer's operating system. This may mean that the server has generated its own security credentials, which Chrome cannot rely on for identity information, or an attacker may be trying to intercept your communications." As I said, this happened with two different banks. I tried to access the same sites from my other computer, also using Chrome, and received no such error message. I've never seen a message like that before. 
 
I have also felt like my computer is running somewhat slower today, but of course I'm paranoid at this point. My major concern is with the message about the certificates being faked, which seems to suggest I've still got active malware on my machine. I'm still getting nothing on scans by Kaspersky, Spybot, and BitDefender's online scanner. 
 
Any ideas? I'd really rather not send all my savings to a hacker somewhere if I can avoid it. My OS is Windows 7. Thank you.


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#2 Queen-Evie

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Posted 06 September 2014 - 04:28 PM

Hello davidcv.
 
It has been brought to my attention that you have also posted a topic about this same issue at http://forums.techguy.org/virus-other-malware-removal/1133114-tricky-malware-not-showing-up.html and are receiving help there by a malware removal specialist.

You should only seek malware removal help at one forum.

We ask that you select one forum from those where you sought help and ask the others to close your topics.

Although we understand you wish your problems to be addressed as soon as possible, there are reasons why multi-posting causes problems.

By Multi Posting you are utilizing the time of two (or more) trained helpers. Helpers take a long time to train. They need a great deal of expertise and knowledge to be able to safely remove Malware from your computer and because of this are in short supply. We wish to use them to help the maximum number of people, and if they are researching the log of someone who is already being helped, then their time and effort is going to waste.

Understandably this causes a certain amount of bad feeling and frustration
  • From the helper who has needlessly spent time researching your log and compiling and posting instructions.
  • From others who have to wait longer for their problems to be addressed.
Advice from two separate helpers can cause problems.

A helper at one place has no idea what a helper somewhere else is doing. Different helpers may use different methods to combat your infection. While each one is safe to use, problems can arise if you follow the advice of both together. Some of the tools used are very powerful and have to be used in a specific way and in some cases do not combine well with others. By using advice from two different sources it is possible that tools may be used that do not combine well and you may severely damage your computer, even rendering it inoperable in some circumstances. By following BOTH sets of instructions, the clean up process could be delayed.

Please let us know WHERE you want to continue to receive help from. If elsewhere this topic will be closed.

Edited by Queen-Evie, 06 September 2014 - 04:29 PM.


#3 davidcv

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Posted 06 September 2014 - 04:39 PM

Please go ahead and close this one, then. I regularly post requests for information on lots of different types of forums (car maintenance, home DYI, etc.) and there has never been a problem with posting questions in multiple spots. I didn't realize this was different. Sorry.


Edited by davidcv, 06 September 2014 - 04:40 PM.


#4 Queen-Evie

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Posted 06 September 2014 - 04:47 PM

Nothing wrong with asking on mulitple forums about cars, home dyi, etc.

Malware removal is highly specialized which is why it's best to deal with it at only one place.

Since you wish to continue at the other forum, this topic is closed.




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