Computer playing up recently. Possibly infected?

[theoldmole]

My computer has been playing up recently. Programs have been freezing and crashing. While this isn't necessarily indicative of an infection, it's better to be safe than sorry.

FRST.txt Addition.txt Scan.txt

[kevinf80]

Hiya theoldmole and welcome to Malwarebytes,

Do not see any obvious Malware or Infection in your logs. There are several error entries related to Dropbox showing in event viewer, these are certification errors for the main service DbxSvc.

Can you reinstall Dropbox and see if that makes any difference...

Thank you,

Kevin.

[theoldmole]

17 hours ago, kevinf80 said:

Hiya theoldmole and welcome to Malwarebytes,

Do not see any obvious Malware or Infection in your logs. There are several error entries related to Dropbox showing in event viewer, these are certification errors for the main service DbxSvc.

Can you reinstall Dropbox and see if that makes any difference...

Thank you,

Kevin.

Do you want me to rerun the scans after I have reinstalled it?

[kevinf80]

Yes please..

[theoldmole]

2 hours ago, kevinf80 said:

Yes please..

Here you go.

Addition.txt FRST.txt

[kevinf80]

Hiya theoldmole,

Thanks for those logs, continue with the following:

Please download the attached fixlist.txt file and save it to the Desktop or location where you ran FRST from. NOTE. It's important that both files, FRST or FRSTEnglish, and fixlist.txt are in the same location or the fix will not work. NOTICE: This script was written specifically for this user, for use on this particular machine. Running this on another machine may cause damage to your operating system that cannot be undone. Run FRST or FRST64 and press the Fix button just once and wait. If the tool needs a restart please make sure you let the system restart normally and let the tool complete its run after restart. The tool will make a log on the Desktop (Fixlog.txt) or wherever you ran FRST from. Please attach or post it to your next reply. Note: If the tool warned you about an outdated version please download and run the updated version. NOTE-1: This fix will run a scan to check that all Microsoft operating system files are valid and not corrupt and attempt to correct any invalid files. NOTE-2: As part of this fix all temporary files will be removed. If you have any open web pages that have not been bookmarked please make sure you bookmark them now as all open applications will be automatically closed. Also, make sure you know the passwords for all websites as cookies will also be removed. The following directories are emptied:   Windows Temp Users Temp folders Edge, IE, FF, Chrome and Opera caches, HTML5 storages, Cookies and History Recently opened files cache Flash Player cache Java cache Steam HTML cache Explorer thumbnail and icon cache BITS transfer queue (qmgr*.dat files) Recycle Bin Important: items are permanently deleted. They are not moved to quarantine. If you have any questions or concerns please ask before running this fix. The system will be rebooted after the fix has run. Next, Download "Microsoft's Safety Scanner" and save direct to the desktop Ensure to get the correct version for your system.... https://docs.microsoft.com/en-us/windows/security/threat-protection/intelligence/safety-scanner-download Right click on the Tool, select Run as Administrator the tool will expand to the options Window In the "Scan Type" window, select Quick Scan Perform a scan and Click Finish when the scan is done. Retrieve the MSRT log as follows, and post it in your next reply: 1) Select the Windows key and R key together to open the "Run" function 2) Type or Copy/Paste the following command to the "Run Line" and Press Enter: notepad c:\windows\debug\msert.log The log will include log details for each time MSRT has run, we only need the most recent log by date and time.... Let me see those logs, also tell me if there are any remaining issues or concerns... Thank you, Kevin...

fixlist.txt

[theoldmole]

15 hours ago, kevinf80 said:

Hiya theoldmole,

Thanks for those logs, continue with the following:

Please download the attached fixlist.txt file and save it to the Desktop or location where you ran FRST from. NOTE. It's important that both files, FRST or FRSTEnglish, and fixlist.txt are in the same location or the fix will not work. NOTICE: This script was written specifically for this user, for use on this particular machine. Running this on another machine may cause damage to your operating system that cannot be undone. Run FRST or FRST64 and press the Fix button just once and wait. If the tool needs a restart please make sure you let the system restart normally and let the tool complete its run after restart. The tool will make a log on the Desktop (Fixlog.txt) or wherever you ran FRST from. Please attach or post it to your next reply. Note: If the tool warned you about an outdated version please download and run the updated version. NOTE-1: This fix will run a scan to check that all Microsoft operating system files are valid and not corrupt and attempt to correct any invalid files. NOTE-2: As part of this fix all temporary files will be removed. If you have any open web pages that have not been bookmarked please make sure you bookmark them now as all open applications will be automatically closed. Also, make sure you know the passwords for all websites as cookies will also be removed. The following directories are emptied:   Windows Temp Users Temp folders Edge, IE, FF, Chrome and Opera caches, HTML5 storages, Cookies and History Recently opened files cache Flash Player cache Java cache Steam HTML cache Explorer thumbnail and icon cache BITS transfer queue (qmgr*.dat files) Recycle Bin Important: items are permanently deleted. They are not moved to quarantine. If you have any questions or concerns please ask before running this fix. The system will be rebooted after the fix has run. Next, Download "Microsoft's Safety Scanner" and save direct to the desktop Ensure to get the correct version for your system.... https://docs.microsoft.com/en-us/windows/security/threat-protection/intelligence/safety-scanner-download Right click on the Tool, select Run as Administrator the tool will expand to the options Window In the "Scan Type" window, select Quick Scan Perform a scan and Click Finish when the scan is done. Retrieve the MSRT log as follows, and post it in your next reply: 1) Select the Windows key and R key together to open the "Run" function 2) Type or Copy/Paste the following command to the "Run Line" and Press Enter: notepad c:\windows\debug\msert.log The log will include log details for each time MSRT has run, we only need the most recent log by date and time.... Let me see those logs, also tell me if there are any remaining issues or concerns... Thank you, Kevin...

fixlist.txt 6.55 kB · 3 downloads

Thanks for that Kevin. Malwarebytes quarantined FRST and the fixlist.txt and flagged it as ransomware. I think the scan had finished though. I will attach the the log here.

Fixlog.txt

[theoldmole]

msert.log

[theoldmole]

Apologies for double posting. I can't figure out how to edit my replies.

Here is the log for the FRST quarantining. False positive?

Log.txt

[kevinf80]

Hiya theoldmole,

Yes an FP, FRST is not malicious. How is yyour PC responding now, any issues or concerns..?

Thank you,

Kevin...

[theoldmole]

14 hours ago, kevinf80 said:

Hiya theoldmole,

Yes an FP, FRST is not malicious. How is yyour PC responding now, any issues or concerns..?

Thank you,

Kevin...

Everything is working great!

[kevinf80]

Hiya theoldmole,

Good to hear your PC is working normally. To clean up etc do the folllowing:

Right click on FRST here: C:\Users\John\Downloads\FRST.exe and rename uninstall.exe when complete right click on uninstall.exe and select "Run as Administrator" If you do not see the .exe appended that is because file extensions are hidden, in that case just rename FRST to uninstall That action will remove FRST and all created files and folders... Next, Remove all System Restore Points: https://www.tenforums.com/tutorials/33593-delete-system-restore-points-windows-10-a.html#option2 Create clean fresh Restore Point: http://www.thewindowsclub.com/create-system-restore-point Run Windows Disk Clean Up Utility - https://neosmart.net/wiki/disk-cleanup/ Condsider the following: Disable Remote Desktop: https://www.tenforums.com/tutorials/92433-enable-disable-remote-desktop-connections-windows-10-pc.html Disable Windows Telemetry: https://helpdeskgeek.com/windows-10/how-to-disable-windows-10-telemetry/ Malwarebytes Browser Guard (Free) for Firefox: https://addons.mozilla.org/en-GB/firefox/addon/malwarebytes/ Malwarebytes Browser Guard (Free) for Chrome: https://chrome.google.com/webstore/detail/malwarebytes-browser-guar/ihcjicgdanjaechkgeegckofjjedodee Will also work for Opera and Edge.. PatchMyPC, keep all your software upto date - https://patchmypc.com/home-updater#download From there you should be good to go... Next, Read the following links to fully understand PC Security and Best Practices, you may find them useful.... Answers to Common Security Questions and best Practices Do I need a Registry Cleaner? Take care and surf safe Kevin...

[theoldmole]

42 minutes ago, kevinf80 said:

Hiya theoldmole,

Good to hear your PC is working normally. To clean up etc do the folllowing:

Right click on FRST here: C:\Users\John\Downloads\FRST.exe and rename uninstall.exe when complete right click on uninstall.exe and select "Run as Administrator" If you do not see the .exe appended that is because file extensions are hidden, in that case just rename FRST to uninstall That action will remove FRST and all created files and folders... Next, Remove all System Restore Points: https://www.tenforums.com/tutorials/33593-delete-system-restore-points-windows-10-a.html#option2 Create clean fresh Restore Point: http://www.thewindowsclub.com/create-system-restore-point Run Windows Disk Clean Up Utility - https://neosmart.net/wiki/disk-cleanup/ Condsider the following: Disable Remote Desktop: https://www.tenforums.com/tutorials/92433-enable-disable-remote-desktop-connections-windows-10-pc.html Disable Windows Telemetry: https://helpdeskgeek.com/windows-10/how-to-disable-windows-10-telemetry/ Malwarebytes Browser Guard (Free) for Firefox: https://addons.mozilla.org/en-GB/firefox/addon/malwarebytes/ Malwarebytes Browser Guard (Free) for Chrome: https://chrome.google.com/webstore/detail/malwarebytes-browser-guar/ihcjicgdanjaechkgeegckofjjedodee Will also work for Opera and Edge.. PatchMyPC, keep all your software upto date - https://patchmypc.com/home-updater#download From there you should be good to go... Next, Read the following links to fully understand PC Security and Best Practices, you may find them useful.... Answers to Common Security Questions and best Practices Do I need a Registry Cleaner? Take care and surf safe Kevin...

Thank you very much for your time.

[kevinf80]

Glad we could help.

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