Older version of firefox automatically opens porn website on windows start

[fta_fraze]

Hello,

I  have recently downloaded a lot of software and videos off of torrents.
A week ago this issue started. Whenever i turn on my pc (Windows 7 ultimate edition 64 bit), a firefox window (the icon is very old) pops up with a porn website.

It is very annoying. Please help.

Thankyou

[kevinf80]

Hello fta_fraze and welcome to Malwarebytes, Run the following and post the produced logs... If you do not have Malwarebytes installed do the following: Download Malwarebytes version 3 from the following link: https://www.malwarebytes.com/mwb-download/thankyou/ Double click on the installer and follow the prompts. If necessary select the Blue Help tab for video instructions.... When the install completes or Malwarebytes is already installed do the following: Open Malwarebytes, select > "settings" > "protection tab" Scroll down to "Scan Options" ensure Scan for Rootkits and Scan within Archives are both on.... Go back to "DashBoard" select the Blue "Scan Now" tab...... When the scan completes quarantine any found entries... To get the log from Malwarebytes do the following:   Click on the Report tab > from main interface. Double click on the Scan log which shows the Date and time of the scan just performed. Click Export > From export you have two options: Copy to Clipboard - if seleted right click to your reply and select "Paste" log will be pasted to your reply Text file (*.txt) - if selected you will have to name the file and save to a place of choice, recommend "Desktop" then attach to reply   Please use "Copy to Clipboard, then Right click to your reply > select "Paste" that will copy the log to your reply… Next, Download AdwCleaner by Malwarebytes onto your Desktop. Or from this Mirror   Right-click on AdwCleaner.exe and select Run as Administrator (for Windows Vista, 7, 8, 8.1 and 10 users) Accept the EULA (I accept), then click on Scan Let the scan complete. Once it's done, make sure that every item listed in the different tabs is checked and click on the Clean button. This will kill all the active processes Once the cleaning process is complete, AdwCleaner will ask to restart your computer, do it After the restart, a log will open when logging in. Please copy/paste the content of that log in your next reply Next, Scan with Autoruns Please download Sysinternals Autoruns from the following link: https://live.sysinternals.com/autoruns.exe save it to your desktop. Note: If using Windows Vista, Windows 7, Windows 8/8.1 or Windows 10 then you also need to do the following:   Right-click on Autoruns.exe and select Properties Click on the Compatibility tab Under Privilege Level check the box next to Run this program as an administrator Click on Apply then click OK   Double-click Autoruns.exe to run it. Once it starts, please press the Esc key on your keyboard. Now that scanning is stopped, click on the Options button at the top of the program and verify that the following are checked, if they are unchecked, check them: Hide empty locations Hide Windows entries   Click on the Options button at the top of the program and select Scan Options... then in the Autoruns Scan Options dialog enable/check the following two options: Verify code signatures Check VirusTotal.com   Once that's done click the Rescan button at the bottom of the Autoruns Scan Options dialog and this will start the scan again, this time let it finish. When it's finished and says Ready. on the lower left of the program window, please click on the File button at the top of the program and select Save and save the file to your desktop and close Autoruns. Right click on the file on your desktop that you just saved and hover your mouse over Send To and select Compressed (zipped) Folder Attach the ZIP folder you just created to your next reply Next, Download Farbar Recovery Scan Tool and save it to your desktop. Alternative download option: http://www.techspot.com/downloads/6731-farbar-recovery-scan-tool.html Note: You need to run the version compatible with your system (32 bit or 64 bit). If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version. If your security alerts to FRST either, accept the alert or turn your security off to allow FRST to run. It is not malicious or infected in any way... Be aware FRST must be run from an account with Administrator status...   Double-click to run it. When the tool opens click Yes to disclaimer.(Windows 8/10 users will be prompted about Windows SmartScreen protection - click More information and Run.) Make sure Addition.txt is checkmarked under "Optional scans" Press Scan button to run the tool.... It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply. The tool will also make a log named (Addition.txt) Please attach that log to your reply. Let me see those logs in your reply... Thank you, Kevin....

[fta_fraze]

Hey Kevin,

First of all thankyou so much for taking the time out to help me with this issue

I performed all the scans as you said and am attaching the logs in this reply

The problem, however, is still not fixed. I still have a firefox window that opens up on startup (a bit more about this window: when it opens, all other windows close or freeze; i can never open this window(like it opens minimized and stays that way until i close it by right clicking on the startmenu bar))

Anyways, the logs are attached in this reply

MB3 report.txt

AdwCleaner log.txt

autoruns thingy.zip

Addition.txt

FRST.txt

[kevinf80]

If the Firefox issue is still happening lets try a clean install...

Make a "Clean" install Firefox: Use the following link for instructions how to back up your bookmarks, same link can be used to import saved Bookmarks: https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer Next, Remove all synced data from Firefox to stop possible re-infection or exploitation. https://support.mozilla.org/en-US/questions/1037353 Next, Go here: http://www.mozilla.org/en-US/ download save the latest version of Firefox.. We will install this later... Next, Lets totally remove Firefox and start over. Go here: https://support.mozilla.org/en-US/kb/uninstall-firefox-from-your-computer and follow those instructions... Ensure when the uninstall completes to navigate to and delete the firefox installation folder (if present): (32-bit Windows) C:\Program Files\Mozilla Firefox (64-bit Windows) C:\Program Files (x86)\Mozilla Firefox It is essential the installation folder is removed. Re-boot your system when that is completed.... Next, To remove all remaining data and profile information... Press "Windows key + R" to open the Run box In the Run box, type in or copy and paste %APPDATA% Click OK. A Windows Explorer window will appear. In this window, choose/open in succession Mozilla > Firefox > Profiles. Select Delete on each entry in reverse, eg Profiles > Delete. Firefox > Delete. Mozilla > Delete. Re-boot your system when complete! Next, Use the Mozilla Firefox installer to reinstall your Browser.... When Firefox is installed and open select these keys together :- Ctrl - Shift - A that will access Addons manger, this gives access to find addons/extensions, use, start, stop or disable those features etc.... uBlock-Origin can be installed from here: https://addons.mozilla.org/en-GB/firefox/addon/ublock-origin/ <<--- Recommended.   Does that help....?

[kevinf80]

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Thanks