I Keep Getting A "Suspicious Connection Blocked" Notification And I Don't Know Why. Any Help?
Multiple times a day, and constantly when using chrome, I get the notification:
Feature:Online Threat Prevention
chrome.exe attempted to establish a connection relying on an untrusted certificate to wpad. We blocked the connection to keep your data safe since untrusted certificates are issued by unrecognized Certificate Authorities.
I have also received the same notification for microsoft edge, and I don't know why, I've restarted my computer and internet multiple times as well as updating BitDefender.
If anyone has a solution or explanation I would be very thankful.
Answers
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Hello.
This situation is caused by the fact that the website in the notification has an expired certificate. This doesn't necessary involve malware. The “Suspicious connection blocked” notification is triggered by Bitdefender’s Online Threat Prevention module whenever there is an attempt to access an HTTPS domain that has security certificate issues. Unlike HTTP (Hypertext Transfer Protocol), HTTPS (safer HTTP Secure standard, HTTPS) is encrypted using Transport Layer Security (TLS), securing communications between your computer and the websites you visit.
For more information, you can read this article:
https://www.bitdefender.com/consumer/support/answer/2471/
Also, you might be a victim of adware, so do the steps below.
1) Start your PC in Safe Mode, by following these steps:
2) Open the Run command:
https://www.makeuseof.com/windows-open-run-command-dialog-box/
and run the below commands one by one:
temp - delete all the folders/files in the folder
%temp% - delete all the folders/files in the folder
prefetch - delete all the folders/files in the folder
3) Restart your PC in General Mode, by following these steps:
https://www.techwalla.com/articles/how-to-restart-a-computer-in-normal-mode
4) Reset/Refresh your browsers:
Google Chrome - https://support.google.com/chrome/answer/3296214?hl=en
Mozilla Firefox - https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings
Microsoft Edge - https://malwaretips.com/blogs/reset-microsoft-edge/
Opera - https://browsersolution.com/reset-opera-browser
Vivaldi - https://help.vivaldi.com/desktop/install-update/full-reset-of-vivaldi/
Brave - https://support.brave.com/hc/en-us/articles/360017903152-How-do-I-reset-Brave-settings-to-default-
5) Run a System Scan with your Bitdefender program.
6) Perform a scan with these FREE malware removal tools:
Kaspersky Virus Removal Tool 2020
https://www.kaspersky.com/downloads/free-virus-removal-tool
ESET Online Scanner
https://download.eset.com/com/eset/tools/online_scanner/latest/esetonlinescanner.exe
F-Secure Online Scanner
https://download.sp.f-secure.com/tools/F-SecureOnlineScanner.exe
Malwarebytes AdwCleaner
https://adwcleaner.malwarebytes.com/adwcleaner?channel=release
7) Restart your PC
8) If the steps provided above didn't help, do the following steps:
Take screenshot(s) of the issue,
create a log file on your Windows device using Bitdefender Support Tool, by following these steps:
https://www.bitdefender.com/consumer/support/answer/1733/
and
create a log file on your Windows device using BDsysLog, by following these steps:
https://www.bitdefender.com/consumer/support/answer/1922/
Next, contact Bitdefender Consumer Support by e-mail:
https://www.bitdefender.com/consumer/support/help/
with short description of the issue.
After that, you will get an automated reply by the Bitdefender Customer Care Team, with your ticket number.
Now, in reply to that automated reply, you can send the screenshot(s) you already took and the log files you already created in the first step.
Since you are all done, just wait for the support engineers to investigate your issue and find a solution to fix the issue.
Remember that the screenshot(s) and the log files will help a lot to the support engineers for better and faster investigation on your issue and finding a solution.
Finally, you can check this comment:
Regards.
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On my Mac I'm trying to access a safe link in an email using Google Chrome
I keep getting this message
comsync.lijit.com refused to connect.
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Welcome to the Bitdefender Forums. The original topic is over a year old and refers to a different issue. Perhaps a Moderator will open this as a new topic for you.
VirusTotal shows the link to be clean, but when I tried to access it via Chrome on a Windows 11 computer, all I got was a blank screen with the words "Not a file" in the top-left corner. It seems that the site is an advertising server site that is sometimes associated with mild malware (browser redirections). If you do a Google search on the URL, you will find an article on the subject at MalwareTips dot com.
Bitdefender does not block the installation of browser extensions because they are installed by the user.
What is the source of the "refused to connect" message? Does it come from Google, as I expect, or from Bitdefender? If it is Google, then the site may be unavailable.
Please keep us posted. Have a great day.
Regards,
Phil
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