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Kudos0

Accidentally allow access, is my computer safe

Hi, I have something to ask.

Today I really made a stupid mistake which causes me to get a bit paranoid whether my computer is safe or not.

My sister who recently lost her macbook ask me a favor to copy some data to her usb flashdisk using my computer. I already expected that something will definitely happened during the process. therefore the first thing I did was to scan my sis' usb flashdisk using norton.

strangely enough norton didn't detect any threat.

my sister flasdrive is a bit strange. some folders are hidden and there are some files with same name as the folder with .exe on its name. opening the file seemed to open the hidden folder in new window.(later googling makes me suspicious that it was infected with folder.exe virus)

ok the problem happened at this point, I was supposed to copy the data to folder named *print today* as I was confused so I tried to open print today hidden folder  as well as print today.exe a bit later Norton detected suspicious behavior on print today.exe and warned me but I was in hurry and accidentally closed norton window that ask whether I should allow its access or not, checking history my norton seemed to treat my action as allowing the file access (though norton also blocked it from accessing internet as well as other suspicious behavior).

I was in hurry so I turned off my computer. afterward I did a full system scan and there seemed to be no threat. 

that said I feel a bit restless about this. is my computer safe? is there any other precautions I should take to ensure nothing bad happen? (for one I will be doing threat scan with malwarebyte after this)

Thank You

Replies

Kudos1 Stats

Re: Accidentally allow access, is my computer safe

dainsleaf Run NPE from scans within the Norton dashboard. That is a definite virus and should be removed. Allow NPE to remove the threat and do so WITHOUT it creating a restore point. There will be a small check box near the lower left, just uncheck it before doing the removal.

Cheers

Retired military (Navy 1980-2002) AO1 (AW) Aviation Warfare Specialist "From DOS to Windows10 what a journey it has been" / MS Certified Professional / Windows 10 Professional x 64 version 1809 / build 17763.379 / NCSP 22.17.0.183 / Norton Core v.278 on Android 1.93
Kudos0

Re: Accidentally allow access, is my computer safe

Not sure why you would want to avoid creating a restore point... (back in the XP days junk would be in the system volume information folder, but modern OSes use volume shadow copy). This might be one of those cases where you would want a threat removal forum to look at this case. (Backdoor.Bifrose is a nasty one)

I would also recommend that this computer (or at least the infected OS when booted) not be permitted a connection to the internet until it is verified clean.

Also this would be a prime example of where doing an offline NPE scan would be a great idea.

Kudos0

Re: Accidentally allow access, is my computer safe

password_password Not doing a restore point prevents any possibility of the virus or malware being restored intentionally or unintentionally.

Cheers

Retired military (Navy 1980-2002) AO1 (AW) Aviation Warfare Specialist "From DOS to Windows10 what a journey it has been" / MS Certified Professional / Windows 10 Professional x 64 version 1809 / build 17763.379 / NCSP 22.17.0.183 / Norton Core v.278 on Android 1.93
Kudos1 Stats

Re: Accidentally allow access, is my computer safe

 (Backdoor.Bifrose is a nasty one)

The images show that was blocked by Norton.

But if confirmation of the system being clean is wanted, I would suggest you sign up at one of the free Malware Removal sites below. Do not try to do anything on your own as it could make things harder for the Malware Removal expert at that site to help you. Choose one and stay there until your system is clean.

http://www.bleepingcomputer.com/
http://www.geekstogo.com/forum/
http://www.cybertechhelp.com/forums/
http://forums.whatthetech.com/
http://qmalwareremoval.freeforums.net/

Things happen. Export/Backup your Norton Password Manager data.
Kudos0

Re: Accidentally allow access, is my computer safe

hi, thanks for the suggestions.

I tried to do norton power eraser scan and it didn't seemed to detect anything overly suspicious.(alice.exe on top supposedly game that I installed months ago, letter to is search result shortcut?)

I have been using the computer for a while after the initial full scan and it didn't seem to exhibit any strange symptoms, Malwarebyte also didn't seemed to detected any active threat from threat scans so I am gonna assume that its safe at least for now...

once my sister got herself a new computer I will try to find time to do a full scan again using both norton and malwarebyte, hopefully nothing strange happened before and/or after the scan

Kudos0

Re: Accidentally allow access, is my computer safe

dainsleaf I would be curiously concerned about alice.exe being a system startup item.  None of my steam games or otherwise are set to start when the system does. Of course if you have things set that way that would account for that.

Cheers

Retired military (Navy 1980-2002) AO1 (AW) Aviation Warfare Specialist "From DOS to Windows10 what a journey it has been" / MS Certified Professional / Windows 10 Professional x 64 version 1809 / build 17763.379 / NCSP 22.17.0.183 / Norton Core v.278 on Android 1.93
Kudos0

Re: Accidentally allow access, is my computer safe

That one is old game that I installed few months ago, suspicious aside its been there from my previous NPE scans prior to this incident therefore supposedly unrelated.

I think

Kudos0

Re: Accidentally allow access, is my computer safe

SoulAsylum:

password_password Not doing a restore point prevents any possibility of the virus or malware being restored intentionally or unintentionally.

Cheers

I'd rather be able to restore to before NPE did it's thing if that broke the computer than no be able to. System restore can always be cleared after the system is good.

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