Jump to content


 


Register a free account to unlock additional features at BleepingComputer.com
Welcome to BleepingComputer, a free community where people like yourself come together to discuss and learn how to use their computers. Using the site is easy and fun. As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged in. Other benefits of registering an account are subscribing to topics and forums, creating a blog, and having no ads shown anywhere on the site.


Click here to Register a free account now! or read our Welcome Guide to learn how to use this site.

Photo

nsJSON.dll Trojan bypassed Norton and installed


  • This topic is locked This topic is locked
23 replies to this topic

#16 definit02

definit02
  • Topic Starter

  • Members
  • 15 posts
  • OFFLINE
  •  
  • Local time:04:24 PM

Posted 08 January 2014 - 03:13 PM

SystemLook 30.07.11 by jpshortstuff
Log created at 11:51 on 08/01/2014 by Tamin
Administrator - Elevation successful
 
========== filefind ==========
 
Searching for "nsJSON.dll"
No files found.
 
-= EOF =-


BC AdBot (Login to Remove)

 


#17 definit02

definit02
  • Topic Starter

  • Members
  • 15 posts
  • OFFLINE
  •  
  • Local time:04:24 PM

Posted 08 January 2014 - 04:46 PM

It seems like nsJSON.dll isn't on my computer... Did you happen to see anything else in any of the logs that might be the source of the problems that I am experiencing?



#18 nasdaq

nasdaq

  • Malware Response Team
  • 40,752 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Montreal, QC. Canada
  • Local time:07:24 PM

Posted 09 January 2014 - 08:07 AM


It looks like it's a plugin or an extension.
http://systemexplorer.net/file-database/file/nsjson-dll

Disable all the plugin or extension is you see the name, of some other that is associated with Afrow Soft Ltd.

If that fails the test then I suggest you restore your system to a date prior to the current issue.
http://windows.microsoft.com/en-CA/windows-8/restore-refresh-reset-pc

Select Restore your PC to an earlier point in time on the Microsoft page.

#19 definit02

definit02
  • Topic Starter

  • Members
  • 15 posts
  • OFFLINE
  •  
  • Local time:04:24 PM

Posted 09 January 2014 - 03:35 PM

I checked my plugins at chrome://plugins and did not see the names nsJSON.dll or Afrow Soft Ltd...

 

I thought about restoring before but I had not created a restoration point since my computer is new, I think I would have to restore to factory settings. But in that case, I wasn't sure if it would permanently solve my problem. I would appreciate your thoughts.


Edited by definit02, 09 January 2014 - 06:04 PM.


#20 nasdaq

nasdaq

  • Malware Response Team
  • 40,752 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Montreal, QC. Canada
  • Local time:07:24 PM

Posted 10 January 2014 - 07:41 AM

I tried running full scans on both Norton and Malwarebytes, but I've noticed my computer's been slower, I can't close programs using "ALT + F4" and have to use Task Manager sometimes, and worst of all my mouse freezes in place sometimes and I have to restart my computer or put it to sleep and turn it back on.

If this is still the issue then yes restore to Factory level.

#21 definit02

definit02
  • Topic Starter

  • Members
  • 15 posts
  • OFFLINE
  •  
  • Local time:04:24 PM

Posted 10 January 2014 - 11:55 PM

i thought the speed wasn't a problem anymore but it just reminded me of my old laptop for a good minute, and I still can't close programs with "alt +F4". the mouse problem hasn't occurred for a week. I think I will restore just to be on the safe side, but it might take a couple days since I have to back up my files on some external drives. Will update when finished.


Edited by definit02, 11 January 2014 - 02:59 AM.


#22 definit02

definit02
  • Topic Starter

  • Members
  • 15 posts
  • OFFLINE
  •  
  • Local time:04:24 PM

Posted 18 January 2014 - 05:23 AM

Hi, I decided not to restore my laptop since it's already "clean" and i haven't faced any major difficulties recently... if I do experience any problems related with this issue, would you mind if i contact you?



#23 nasdaq

nasdaq

  • Malware Response Team
  • 40,752 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Montreal, QC. Canada
  • Local time:07:24 PM

Posted 18 January 2014 - 11:01 AM



If all is well:

Time for some housekeeping
  • The following will implement some cleanup procedures as well as reset System Restore points:
  • Click Start > Run and copy/paste the following bold text into the Run box and click OK:
  • ComboFix /Uninstall
===


Please consider using these ideas to help secure your computer. While there is no way to guarantee safety when you use a computer, these steps will make it much less likely that you will need to endure another infection. While we really like to help people, we would rather help you protect yourself so that you won't need that help in the future.

Please either enable Automatic Updates under Start -> Control Panel -> Automatic Updates or get into the habit of checking Windows Update regularly. They usually have security updates every month. You can set Windows to notify you of Updates so that you can choose, but only do this if you believe you are able to understand which ones are needed. This is a crucial security measure.

Having an effective antivirus is a must for everyone.
In addition to many excellent commercial products there are plenty of good free antivirus programs available. I can recommend:

If you are satisfied with your current protection programs you can ignore the instructions on Antivirus or Firewall listed below.In addition to an antivirus I recommend using a firewall. A software firewall is a software program that helps screen out hackers, viruses, and worms that try to reach your computer over the Internet. I can recommend one of the following free products:Please note: Many installer offer third-party downloads that are installed automatically when you do not uncheck certain checkboxes. While most of the time not being malicious you usually do not want these on your computer. Be careful during the installation process and you will avoid seeing tons of new unwanted toolbars in your favorite web browser.

Please consider installing and running some of the following programs; they are either free or have free versions of commercial programs:

Malwarebytes Anti-Malware (MBAM)
The free version of MBAM can be used to scan the system for traces of malware. Scanning your system regularly will make it harder for malware to reside on your system.
A tutorial on using MBAM can be found here.
Please Note: Only the paid for version has real time capabilities.

SpywareBlaster
A tutorial on using SpywareBlaster to prevent malware from ever installing on your computer may be found here.

Please keep these programs up-to-date and run them whenever you suspect a problem to prevent malware problems. A number of programs have resident protection and it is a good idea to run the resident protection of one of each type of program to maintain protection. However, it is important to run only one resident program of each type since they can conflict and become less effective. That means only one antivirus, firewall and scanning anti-spyware program at a time. Passive protectors, like SpywareBlaster can be run with any of them.

Note that there are a lot of rogue programs out there that want to scare you into giving them your money and some malware actually claims to be security programs. If you get a popup for a security program that you did not install yourself, do NOT click on it and ask for help immediately. It is very important to run an antivirus and firewall, but you can't always rely on reviews and ads for information. Ask in a security forum that you trust if you are not sure. If you are unsure and looking for anti-spyware programs, you can find out if it is a rogue here:A similar category of programs is now called "scareware." Scareware programs are active infections that will pop-up on your computer and tell you that you are infected. If you look closely, it will usually have a name that looks like it might be legitimate, but it is NOT one of the programs you installed. It tells you to click and install it right away. If you click on any part of it, including the 'X' to close it, you may actually help it infect your computer further. Keeping protection updated and running resident protection can help prevent these infections. If it happens anyway, get offline as quickly as you can. Pull the internet connection cable or shut down the computer if you have to. Contact someone to help by using another computer if possible. These programs are also sometimes called 'rogues', but they are different than the older version of rogues mentioned above.

Please keep your programs up to date. This applies to Java, Adobe Flashplayer, Adobe Reader and your Internet Browsers in particular. Vulnerabilities in these programs are often exploited in order to install malware on your PC. Visiting a prepared web page suffices to infect your system.

In general Firefox, Opera and Google Chrome are considered to be more secure than Internet Explorer. In addition there are many useful add-ons that can protect you from possible risks:
  • WOT will warn you when you try to visit sites with poor reputation. The reputation is based on user ratings and is usually very accurate.
  • Script Blocker can help blocking many attempts to infect your system via malicious websites by only allowing scripts at sites you trust.
  • NoScript is a popular Firefox addon,
  • ScriptNo a popular Google Chrome addon.
For much more useful information, please also read Tony Klein's excellent article: How did I get infected in the first place

Hopefully these steps will help to keep you error free. If you run into more difficulty, we will certainly do what we can to help.
===

p.s.
I will close this topic in 6 days.
If you still need help on this issues send me a personal message and I will reopen the topic.

#24 nasdaq

nasdaq

  • Malware Response Team
  • 40,752 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Montreal, QC. Canada
  • Local time:07:24 PM

Posted 24 January 2014 - 10:28 AM

It appears that this issue is resolved, therefore I am closing the topic. If that is not the case and you need or wish to continue with this topic, please send me or any Moderator a Personal Message (PM) that you would like this topic re-opened.




0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users