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How Much Confidence Can I Have?


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2 replies to this topic

#1 SeekLegend

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Posted 06 June 2015 - 02:23 PM

I share one of my computers with family members who, at times, may (inadvertently) visit sites that could result in malware. This computer runs Windows 7, and I use Avira along with Malwarebytes Premium (which do not conflict with each other). I regularly run scans using this software, and they have never detected any malware. The computer also doesn't show any symptoms of malware. Of course, I am aware that some malware attempts to make things seem normal while using your computer's resources for illegal activity in the background. I am also aware that some malware goes undetected by anti-malware software.

 

As a result, every once in a while, I reformat my hard drive and reinstall Windows. I have also considered using DBan to be sure to overwrite everything. Do you think this (even without dban) is necessary? If both Avira and Malwarebytes say my computer is clean, can I be reasonably confident that it is?



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#2 InadequateInfirmity

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Posted 06 June 2015 - 03:49 PM

Download and run wipe  and system ninja,

 

https://privacyroot.com/software/www/en/wipe.php

https://singularlabs.com/software/system-ninja/

 

Then.....

 

Go ahead and install ccleaner Now that you have the program installed go ahead and run the cleaner function.

https://www.piriform.com/ccleaner/download
kwLN4uv.png


Now that you have cleaned out some temp files, lets go ahead and disable all of the items starting up with your machine except your antivirus. To do this you will need to click on tools then start up select each item then disable.

GjWwvEu.png

Now that you have disabled those un-needed start ups lets go into the settings, we will have Ccleaner run when your machine boots, so that you will never have to worry about cleaning temp files again.

To do this:

  • Hit options.
  • Settings.
  • Place a tick to run Ccleaner when the computer starts.


Lxioao1.png

Now go to the advanced tab, and select close program after cleaning, now run the cleaner again this will close Ccleaner.

SnqZ2JW.png

 

Reboot your machine and then follow the  instructions below.

 

Step 1: eScanAV.

 

Disable your antivirus prior to this scan.

http://www.bleepingcomputer.com/forums/t/114351/how-to-temporarily-disable-your-anti-virus-firewall-and-anti-malware-programs/

Download the eScanAV Anti-Virus Toolkit (MWAV)
http://www.escanav.com/english/content/products/downloadlink/downloadcounter.asp?pcode=MWAV&src=english_dwn&type=alter

 

Source

http://www.escanav.com/english/content/products/downloadlink/downloadproduct.asp?pcode=MWAV
Save the file to your desktop.
Right click run as administrator.
A new icon will appear on your desktop.
Right click run as administrator on new icon.
Click on the update tab.
ZCDJtZN.png
Once you have updated the program, make sure the settings are the same as the picture below.
7DUFn5c.png
Once you have made sure the settings match the picture, hit the Scan & Clean button.
Upon scan completion, click View Log.
ApSVXsQ.png
Copy and paste entire log into your next reply.
Note: Reboot if needed to remove infections.

 

Step 2: Zemana

 

Run a full scan with Zemana antimalware.

http://www.zemana.us/product/zemana-antimalware/default.aspx

Install and select deep scan.

jdmyscF.jpg

Remove any infections found.

Then click on the icon in the pic below.

DOLGyto.jpg

Double click on the scan log, copy and paste here in your reply.

 

 

Step 3: Junkware Removal Tool.
 
Please download Junkware Removal Tool and save it on your desktop.

Source

http://thisisudax.org/

  • Shut down your anti-virus, anti-spyware, and firewall software now to avoid potential conflicts.
  • Run the tool by double-clicking it. If you are using Windows Vista or Windows 7, right-click it and select Run as administrator.
  • The tool will open and start scanning your system.
  • Please be patient as this can take a while to complete depending on your system's specifications.
  • On completion, a log is saved to your desktop and will automatically open.
  • Please post the JRT log.

Step 4: Adware Cleaner.
 
Please download AdwCleaner by Xplode onto your desktop.


  • Close all open programs and internet browsers.
  • Double click on adwcleaner.exe to run the tool.
  • Click on Scan button.
  • When the scan has finished click on Clean button.
  • Your computer will be rebooted automatically. A text file will open after the restart.
  • Please post the contents of that logfile with your next reply.
  • You can find the logfile at C:\AdwCleaner[S1].txt as well.


#3 Sintharius

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Posted 06 June 2015 - 04:08 PM

Hello SeekLegend,

The best approach would be to teach your family members safe surfing, I believe. Bleeping Computer has a lot of useful resources on how to keep your computer safe on the Internet - simple and will save you a lot of headaches in the long run.

DBAN can be used to ensure that everything is wiped - although this is not necessary if you do factory resets on laptops. I do prefer safe surfing though, combined with Avira and Malwarebytes Premium and you're good.

Here are some information written by Global Moderator quietman7 - Microsoft MVP Consumer Security - about safe computing practices:

Best Practices for Safe Computing - Prevention of Malware Infection
How Malware Spreads - How did I get infected
About those Toolbars and Add-ons - Potentially Unwanted Programs (PUPs)

And here is another tutorial by Admin Grinler - also a Microsoft MVP Consumer Security - on simple ways to keep your computer safe and secure online.

If you have any other questions, feel free to ask and I will be glad to help.

Regards,
Alex




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