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Random Firefox Window on PC Start Up - Porn Pop Up


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6 replies to this topic

#1 seym771

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Posted 15 June 2018 - 01:02 AM

Hi All,
 
This is my first post on Bleeping Computer and my issue is as follows:
 
Very recently, whenever I start my computer up a Firefox window is loaded by default, minimised into my task bar.
 
I can close said window with no problems, however cannot maximise it. In fact, I don't even have FireFox installed on my PC.
 
Warm regards, Alex
 
I have attached both FRST.txt and Addition.txt to this post.

 

 

Attached File  FRST.txt   120.57KB   8 downloads

 

Attached File  Addition.txt   99.55KB   3 downloads



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#2 nasdaq

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Posted 15 June 2018 - 07:47 AM

Hello, Welcome to BleepingComputer.
I'm nasdaq and will be helping you.

If you can please print this topic it will make it easier for you to follow the instructions and complete all of the necessary steps in the order listed.
===

Please download Malwarebytes Anti-Malware from here
  • Right-click on the MBAM icon and select Run as administrator to run the tool.
  • Click Yes to accept any security warnings that may appear.
  • Once the MBAM dashboard opens, on the right detail pane click on the word "Current" under the Scan Status to update the tool database.
  • On the left menu pane click the Settings tab, and then select the Protection tab on the top.
  • Under the Scan Options, turn on the button Scan for rootkits and Scan within archives.
  • Click the Scan tab on the right detail pane, select Threat Scan and click the Start Scan button
  • Note: The scan may take some time to finish, so please be patient.
  • If potential threats are detected, ensure to checkmark all the listed items, and click the Quarantine Selected button.
  • While still on the Scan tab, click the View Report button, and in the window that opens click the Export button, select Text file (*.txt), and save the log to your Desktop.
  • The log can also be viewed by clicking the log to select it, then clicking the View Report button.
Please post the log for my review.

Note: If asked to restart the computer, please do so immediately.
===

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 the Scan button and wait for the process to complete.
  • Click the LogFile button and the report will open in Notepad.
IMPORTANT
  • If you click the Clean button all items listed in the report will be removed.
If you find some false positive items or programs that you wish to keep, Close the AdwCleaner windows.
  • Close all open programs and internet browsers.
  • Double click on AdwCleaner.exe to run the tool.
  • Click the Scan button and wait for the process to complete.
  • Check off the element(s) you wish to keep.
  • Click on the Clean button follow the prompts.
  • A log file will automatically open after the scan has finished.
  • Please post the content of that log file with your next answer.
  • You can find the log file at C:\AdwCleanerCx.txt (x is a number).
===

Please post the logs and let me know if the problem persists.

#3 seym771

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Posted 16 June 2018 - 12:07 AM

Hi Nasdaq,

 

About to follow steps for clean up and report back.

 

No firefox window on this boot, but was greeted to the following suspicious item. (Screenshot attached)

 

Attached File  Screenshot_11.png   117.92KB   1 downloads


Edited by seym771, 16 June 2018 - 12:09 AM.


#4 seym771

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Posted 16 June 2018 - 12:33 AM

Alright, all done:

 

  • Scanned with MBAM and quarantined all results.
  • Scanned with ADWCLeaner and ran fixes on all found items.
  • While scanning with MBAM I did notice a blocked site pop-up, screenshotted that and attached along with logs.

Thanks again :-)

 

Attached File  MalwareBytes.txt   1.58KB   3 downloads

 

Attached File  AdwCleanerC00.txt   2.79KB   1 downloads

 

Attached File  Screenshot_12.png   14.12KB   1 downloads

 

UPDATE

 

This is the export from the blocked site, looks like a Firefox Portable?:

 

Malwarebytes
www.malwarebytes.com
 
-Log Details-
Protection Event Date: 6/16/18
Protection Event Time: 3:22 PM
Log File: 495b23ee-7125-11e8-8555-309c23063a4b.json
Administrator: Yes
 
-Software Information-
Version: 3.5.1.2522
Components Version: 1.0.374
Update Package Version: 1.0.5504
License: Trial
 
-System Information-
OS: Windows 10 (Build 17134.112)
CPU: x64
File System: NTFS
User: System
 
-Blocked Website Details-
Malicious Website: 1
, , Blocked, [-1], [-1],0.0.0
 
-Website Data-
Category: Malware
Domain: 8star888.org
IP Address: 146.185.234.57
Port: [51644]
Type: Outbound
File: C:\Users\seym7\AppData\Roaming\FFPortable\update.exe
 
 
 
(end)

Edited by seym771, 16 June 2018 - 12:36 AM.


#5 nasdaq

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Posted 16 June 2018 - 07:04 AM

Hi,

Press the Windows key + r on your keyboard at the same time. This will open the RUN BOX.
Type Notepad and and click the OK key.
Please copy the entire contents of the code box below to the a new file.
 
start

CreateRestorePoint:
CloseProcesses:

HKU\S-1-5-21-2656086691-4147564265-3948550823-1001\...\Run: [firefox] => C:\Users\seym7\AppData\Roaming\FFPortable\update.exe [910296 2010-03-31] (Mozilla Corporation)
C:\Users\seym7\AppData\Roaming\FFPortable

End
Save the file as fixlist.txt in the same folder where the Farbar tool is running from.
The location is listed in the 3rd line of the Farbar log you have submitted.

Run FRST and click Fix only once and wait.

The tool will create a log (Fixlog.txt) please post it to your reply.
===

After the Reboot if Malwarebytes is still reporting these entries

PUP.Optional.Conduit, C:\USERS\SEYM7\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Sync Data\SyncData.sqlite3, Replaced, [220], [454832],1.0.5504
PUP.Optional.Conduit, C:\USERS\SEYM7\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Web Data, Replaced, [220], [454832],1.0.5504
PUP.Optional.Conduit, C:\USERS\SEYM7\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Web Data, Replaced, [220], [454832],1.0.5504


Read this article and proceed.

Chrome Secure Preferences detection always comes back
https://forums.malwarebytes.com/topic/214325-chrome-secure-preferences-detection-always-comes-back/
<<<>>>

#6 seym771

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Posted 17 June 2018 - 03:05 AM

Beautiful, 

 

Ran the fix through FRST and rebooted.

 

Checked appdata and the folder holding the FIrefox Portable location is completely removed.

 

Malbytes scan is showing no active threats.

 

I've attached the FRST report and MBAM Report.

 

Once again, thanks a heap!  :thumbsup:

Attached Files


Edited by seym771, 17 June 2018 - 03:05 AM.


#7 nasdaq

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Posted 17 June 2018 - 08:24 AM

Hi,
Glad we could help.

If all is well.

To learn more about how to protect yourself while on the internet read this little guide best security practices keep safe.
http://www.bleepingcomputer.com/forums/t/407147/answers-to-common-security-questions-best-practices/


https://www.bleepingcomputer.com/tutorials/keep-your-computer-safe-online/
Simple and easy ways to keep your computer safe and secure on the Internet.
===




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