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Can Trojan read my files ?


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#1 Bill88

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Posted 02 August 2016 - 12:08 PM

I was noticing that my mouse was slightly unresponsive and so I did not think too much of it but decided to check for virus with windows defender and it found a Trojan .
Now I am very concerned because I had a USB stick with all my financial website passwords and even credit card number with code .
I changed passwords etc .and reimaged my hard drive but I am still worried about the cc and some other stuff .Should I cancel the cc ?
How likely is it that the Trojan was able to read the USB and the text file with the passwords ? What I am trying to ask are the Trojan highly successful most of the time or are they failing most of the time ? What are my odds that i got out of this with no damage ? Does having the latest service packs help ?

Edit: Moved topic from Virus, Trojan, Spyware, and Malware Removal Logs to the more appropriate forum. ~ Animal

Edited by Bill88, 02 August 2016 - 03:56 PM.


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#2 Didier Stevens

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Posted 03 August 2016 - 05:16 AM

What was the detection by Windows Defender?


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#3 Bill88

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Posted 03 August 2016 - 09:43 AM

Unfortunately I did not mark down the Trojan name before I reimage .all I remember is that it had a word starting with p .

Edited by Bill88, 03 August 2016 - 09:45 AM.


#4 Didier Stevens

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Posted 03 August 2016 - 10:59 AM

There is malware that steals CC numbers from text files. But it's impossible to tell if your malware does this if you don't have the name anymore.


Didier Stevens
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SANS ISC Senior Handler
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If you send me messages, per Bleeping Computer's Forum policy, I will not engage in a conversation, but try to answer your question in the relevant forum post. If you don't want this, don't send me messages.

 

Stevens' law: "As an online security discussion grows longer, the probability of a reference to BadUSB approaches 1.0"


#5 Bill88

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Posted 03 August 2016 - 11:37 AM

OK so sounds like most Trojan can't do this ? Just trying to get a sense of how probable it is ... is it possible that the operating system will thwart it's attempts even if the Trojan is running ?
Is there a comprehensive list of Trojan somewhere that I can look at ... maybe I will recognise it if I see it .

Edited by Bill88, 03 August 2016 - 11:54 AM.


#6 rp88

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Posted 03 August 2016 - 01:57 PM

Any trojan CAN do it, it's just that not all are designed to. In general malware CAN do anything that a administrator user can do, it can read files, alter them, delete them, change settings... and all manner of other things. The thing is a particular piece of malware has programming to execute a particular list of nasty actions, no piece will do something that isn't on it's list of "evil things to do once on a computer". Your aim should be to avoid infection and eliminate any that do arrive, don't try hoping that a piece of malware can't do something, because while it might not do something others probably will.
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#7 Bill88

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Posted 03 August 2016 - 02:13 PM

Look obviously I am going to be more careful from now . My question is simply what are the probabilites ... if you don't know you don't know .nobody has answered me on how effective the operating ssystem is . Unless you actually know how to operate a virus and what it can do don't bother answering anymore . Thanks .

#8 Bill88

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Posted 03 August 2016 - 02:19 PM

Actually I am done . Asking the misinformation highway is obviously not the way to go .
Rest assured that I won't be reading any more replies . Thanks .




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