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Forum Discussion
bertonstott
7 years agoExplorer | Level 4
I was infected by a Trojan it's synced in Dropbox, too. What should I do?
When I try to open or install DropBox on my Windows laptop, I get an "Infection Blocked" error from Iolo System Mechaninc (My anti-virus program).
The infected object is reported to be C:\PROGRAM ...
- 7 years ago
Hi again eveyone, and welcome Kaimalino & Sparky15756 - hope y'all are good! 😊
After looking into this a little bit, I’ve found some info that might explain syncing issues and infected files.- The Dropbox desktop client uses the ".dropbox.cache" folder as a staging area to download your files in small chunks. Sometimes antivirus programs will pick up these partial files as false positives and continuously quarantine them.
- The problem is that Dropbox keeps downloading the file in an attempt to sync the file down to your device. So, I’d recommend adding the Dropbox cache folder to an ignore list so that Dropbox can correctly sync that file and/or temporarily disabling your antivirus.
- Once synced, you should no longer see these warnings or quarantine messages.
Now, for those of you experiencing issues with the install or start up of the application, see if you’re also able to add the cache folder to an ignore list - If you’re still experiencing issues after this, I definitely think it would be best for our specialists to take a closer look, so please log an official request at: www.dropbox.com/supportFrom there, feel free to write back with your ticket ID’s and I’ll be happy to search for the cases on our back-end and forward them along.
Thanks so much and happy Friday!
Kaimalino
7 years agoExplorer | Level 4
I believe this may have something to do with Dropbox per se, as it doesn't appear to just be limited to users of Iolo System Mechanic.
This is my experience regarding this issue, in case it helps someone, which I have just discovered has resolved itself.
Timeline:
Tuesday, 03/20/2018 afternoon - Iolo System Mechanic System Shield Pop-up window appears stating it found a file infected with the Eldorado virus, said file at this initial report was:
[ALL CAPS] - c:\program files (x86)\dropbox\client_46.3.60\psutil_psutil_windows.pyd
is infected with w32/s-462f1630!Eldorado, and System Mechanic quarantined the file.
I know that there should not be, other than during upgrade installation, other 'client' folders in the dropbox folder.
Next I went to the dropbox folder and visually verified that there actually was both a 'client' folder, and a 'client_46.3.60' folder created on this same day. There are indeed both.
At this point I assumed an automatic background upgrade installation had been in progress (I've had DropBox on this laptop for 7+ years).
I then ran a full system malware scan, and, in addition to that file, it found and quarantined a total of three more files, all infected with the same version of Eldorado, as follows [paths ALL CAPS]:
c:\program files (x86)\dropbox\update\download\{CC46080E-4C33-4981-859A-BBA2F780F31E}\46.3.59\DROPBOXCLIENT_46.3.59.EXE
c:\program files (x86)\dropbox\install\{229A986C-0B31-4104-AB08-95B1F788D7B0}\DROPBOXCLIENT_46.3.60.EXE
c:\program files (x86)\dropbox\update\download\{CC46080E-4C33-4981-859A-BBA2F780F31E}\46.3.59\DROPBOXCLIENT_46.3.60.EXE
Regarding this issue: I did nothing more, other than no longer use Dropbox, for the remainder of this day.
Wednesday, 03/21/2018 morning - I noticed when downloading a Google document I had completed, to a dropbox sub-folder on my laptop for backup and syncing with cloud storage, that syncing was not happening. I checked and discovered that Dropbox had not loaded.
Regarding this issue: I did nothing more, other than no longer use Dropbox, for the remainder of this day.
Thursday, 03/22/2018 evening, just prior to writing this up - I decided to attempt a re-install.
I go to Settings->Apps & features (Win10), click on Dropbox and notice that it's version is 46.3.60 AND dated today, 03/22/2018. I find this very interesting, so...
I performed a 'Google' search on 'Dropbox Eldorado Virus' and found this report I am replying to.
I checked the dropbox folder and discovered the following: The 'client_46.3.60' folder had been removed and the 'client' folder had Date Modified set now to 03/22/2018.
I checked to see if Dropbox was running in the background: It was not.
I found and manually launched Dropbox and the following happened: It succesfully loaded and synced my laptop's Dropbox folder with cloud storage.
Based on this result it appears that by my doing NOTHING since the initial issue began on Tuesday, for me, that this issue was resolved through one of the following:
Self-correction...
Dropbox became aware of the issue and fixed it ASAP, ergo the apparent background update installation that happened on my laptop today.
My leaving the 4 affected files quarantined and doing nothing prompted Dropbox to attempt another background update installation and succeeded.
Or...
I have now permanently deleted the 4 quarantined files.
Next I will see what happens Friday morning, 03/23/2018, after I fire my laptop back up, and find out if Dropbox starts up as usual or if I have to manually start it, and, if that Eldorado virus returns, which I suspect will not be the case. I'll try to remember to update this report with what I experience at that time.
- Karina7 years agoDropbox Staff
Hi again eveyone, and welcome Kaimalino & Sparky15756 - hope y'all are good! 😊
After looking into this a little bit, I’ve found some info that might explain syncing issues and infected files.- The Dropbox desktop client uses the ".dropbox.cache" folder as a staging area to download your files in small chunks. Sometimes antivirus programs will pick up these partial files as false positives and continuously quarantine them.
- The problem is that Dropbox keeps downloading the file in an attempt to sync the file down to your device. So, I’d recommend adding the Dropbox cache folder to an ignore list so that Dropbox can correctly sync that file and/or temporarily disabling your antivirus.
- Once synced, you should no longer see these warnings or quarantine messages.
Now, for those of you experiencing issues with the install or start up of the application, see if you’re also able to add the cache folder to an ignore list - If you’re still experiencing issues after this, I definitely think it would be best for our specialists to take a closer look, so please log an official request at: www.dropbox.com/supportFrom there, feel free to write back with your ticket ID’s and I’ll be happy to search for the cases on our back-end and forward them along.
Thanks so much and happy Friday!- Loni H.7 years agoNew member | Level 2
I have exactly the same issue with my work computer. I cannot add exception on it. What should I do? Should I request IT people to write exception?
- Walter7 years agoDropbox Staff
Hey there again Loni H. - I just got to see this post ( I have already replied to you here).
Can you share some more information about your current situation so as to see how we could move forward from this point? When you say you cannot add an exception on your work computer, I guess you're referring to the antivirus/security program running on that computer, right?
If I were in your shoes, I'd give this page a try first. If you still experience issues with this, I would suggest that you reached out to your IT department or your company's network administrator so as not to tamper with something you shouldn't in the first place ( I don't know the specifics of your work environment but you get the drill).
Let me know what you find!
- samarik7 years agoExplorer | Level 4
thanks it helps me recovering this issue.
I'm having lot of Questions by doing this. trust is worthy not to be lost !! so I'm not under threat by doing this!!? Should there is proper way to clear things ?
by the way this is how to add the folder from Microsoft Security page- Walter7 years agoDropbox Staff
Hey there samarik - nice screenshot :wink:
As per your inquiry now, could you please shed some light on what exactly is your concern about this? Are you having a problem setting an exclusion on your Windows Defender?
Any clarification would be highly appreciated. Thanks!
- MikeMoyer6 years agoNew member | Level 2
How do I add the dropbox cache folder to the ignore list for Windows Defender/Win 10
- Walter6 years agoDropbox Staff
That's a question for another forum I guess MikeMoyer but still I'd like to help so please give these steps a try and let me know if they did the trick for you:
- Go to Start > Settings > Update & Security > Windows Security > Virus & thread protection.
- Under Virus & threat protection settings, select Manage settings, and then under Exclusions, select Add or remove exclusions.
- Select Add an exclusion, and then select from files, folders, file types, or process.
Hope this helps!
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