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3 Forms of TR/Dropper.MSIL in Malwarebytes, am I still infected?


Hefirb
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I was doing a scan with Malwarebytes today and during the scan I got 3 beeps from Avira which found 3 forms of TR/Dropper.MSIL in the Malwarebytes folder and quickly quarantined it.

After the MB scan was completed and came back clean, Avira also detected a suspicious file in the Roaming folder called sp_data.sys and quarantined it too. I was shocked and I deleted all the files in the quarantine.

I did full scan with Avira  afterwards and it found TR/Dropper.MSIL.vvhoh, one of the 3 viruses that was previously found in the Malwarebytes directory. The virus Avira found while doing a full scan was found in the recycle bin, which makes sense because one of those shortlink ad websites automatically downloaded an infected .zip file claiming to be an update for Adobe. I deleted that file as soon as it was automatically downloaded. That file has been quarantined and deleted. Other than that, Avira came back clean. However, I'm still concerned and confused about the viruses found in the Malwarebytes directory while during a MB scan. Once I completed the full scan with Avira, I did another MB scan and it came back clean again. I'm not sure if I have cleansed my computer or it is still infected now, so here I am. 

NOTE: This only happened today and is the first time so I'm doubting that it's a false positive, especially when I found 3 forms of the same virus. The only explanation for this is that I spent the past 2 days re-downloading my music library and also scanned each file or archive on Virustotal to make sure it was safe. My only guess is that it was all those shortlink ad websites (ie. adf.ly) that I had to go through to get the download link for the actual songs even though I took all the precautions such as having Adblock, Avira's Browser Safety, etc. Still, it's eye-opening to see just how sophisticated this infection seems to be.

MB Scan 1.txt

MB Scan 2.txt

Addition.txt

FRST.txt

Edited by Hefirb
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  • Root Admin

Hello @Hefirb and :welcome:

Please download the attached fixlist.txt file and save it to the Desktop.
NOTE. It's important that both files, FRST or FRST64 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.

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). 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.

fixlist.txt

Thanks

Ron

 

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  • Root Admin

Please run the following steps and post back the logs as an attachment when ready.

STEP 01

Please download AdwCleaner by Malwarebytes and save the file to your Desktop.

  • Right-click on the program and select RunAsAdmin.jpg Run as Administrator to start the tool.
  • Accept the Terms of use.
  • Wait until the database is updated.
  • Click Scan.
  • When finished, please click Clean.
  • Your PC should reboot now if any items were found.
  • After reboot, a log file will be opened. Copy its content into your next reply.

STEP 02
Please download the Farbar Recovery Scan Tool and save it to your desktop.

Restart the computer and run a new FRST scan. Make sure to include a new Additions.txt log

Note: You need to run the version compatible with your system. You can check here if you're not sure if your computer is 32-bit or 64-bit

  • Double-click to run it. When the tool opens, click Yes to disclaimer.
  • Press the Scan button.
  • It will make a log (FRST.txt) in the same directory the tool is run. Please attach it to your reply.
  • The first time the tool is run, it also makes another log (Addition.txt). If you've, run the tool before you need to place a check mark here.
  • Please attach the Additions.txt log to your reply as well.

 

Thanks

Ron

 

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AdwCleaner 

# AdwCleaner 7.0.2.1 - Logfile created on Fri Sep 22 19:35:38 2017
# Updated on 2017/29/08 by Malwarebytes 
# Running on Windows 10 Home (X64)
# Mode: clean
# Support: https://www.malwarebytes.com/support

***** [ Services ] *****

No malicious services deleted.

***** [ Folders ] *****

No malicious folders deleted.

***** [ Files ] *****

No malicious files deleted.

***** [ DLL ] *****

No malicious DLLs cleaned.

***** [ WMI ] *****

No malicious WMI cleaned.

***** [ Shortcuts ] *****

No malicious shortcuts cleaned.

***** [ Tasks ] *****

No malicious tasks deleted.

***** [ Registry ] *****

No malicious registry entries deleted.

***** [ Firefox (and derivatives) ] *****

No malicious Firefox entries deleted.

***** [ Chromium (and derivatives) ] *****

No malicious Chromium entries deleted.

*************************

::Tracing keys deleted
::Winsock settings cleared
::Additional Actions: 0

*************************

C:/AdwCleaner/AdwCleaner[S0].txt - [945 B] - [2017/9/22 19:35:13]


########## EOF - C:\AdwCleaner\AdwCleaner[C0].txt ##########

Addition.txt

FRST.txt

Edited by Hefirb
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There was never any problems at all. I didn't notice anything suspicious. My computer was running fine before and is running fine now still so it was concerning when Avira's real-time protection found those 3 trojans and a suspicious file. Am I ok now?  Does everything look fine and whatever trojans were lurking around are completely removed?

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  • Root Admin

Glad we could help. :)If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this thread with your request. This applies only to the originator of this thread.Other members who need assistance please start your own topic in a new thread. Thanks!

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