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Removal instructions for echttwo

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Metallica

Metallica

    Spyware Veteran

  • GeekU Moderator
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Content is republished with permission from Malwarebytes.

What is echttwo?

The Malwarebytes research team has determined that echttwo is a forced extension.

How do I know if my computer is affected by echttwo?

You may see this entry in your list of installed Chrome extensions:

main.png

and these warnings during install:

warning1.png

warning2.png

warning3.png

How did echttwo get on my computer?

Browser hijackers use different methods for distributing themselves. This particular one was a forced Chrome extension.
But it was also available in the webstore at the time of writing.

webstore.png

How do I remove echttwo?

Our program Malwarebytes can detect and remove this potentially unwanted program.
  • Please download Malwarebytes to your desktop.
  • Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
  • Then click Finish.
  • Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
  • If another update of the definitions is available, it will be implemented before the rest of the scanning procedure.
  • When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
  • Restart your computer when prompted to do so.
Is there anything else I need to do to get rid of echttwo?
  • No, Malwarebytes removes echttwo completely.
  • You may have to remove the Chrome Extension manually under Tools > More Tools > Extensions. Click on the bin behind the echttwo entry and confirm Remove in the prompt.
How would the full version of Malwarebytes help protect me?

We hope our application and this guide have helped you eradicate this hijacker.

We protect our customers from forced Extension by blocking the sites that spread them:

protection2.png

Technical details for experts

Possible signs in FRST logs:

CHR Extension: (echttwo) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg [2017-08-28]
Alterations made by the installer:

File system details [View: All details] (Selection)
---------------------------------------------------
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0
       Adds the file echttwo.png"="8/28/2017 9:33 AM, 535 bytes, A
       Adds the file htmlcode.html"="8/1/2017 11:36 PM, 324 bytes, A
       Adds the file manifest.json"="8/28/2017 9:33 AM, 1013 bytes, A
       Adds the file script.js"="8/1/2017 11:37 PM, 2166 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0\_metadata
       Adds the file computed_hashes.json"="8/28/2017 9:33 AM, 344 bytes, A
       Adds the file verified_contents.json"="8/1/2017 11:37 PM, 1628 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lhfpmoejdaklikbaakgibgacbkiegnjg
       Adds the file 000003.log"="8/28/2017 9:33 AM, 0 bytes, A
       Adds the file CURRENT"="8/28/2017 9:33 AM, 16 bytes, A
       Adds the file LOCK"="8/28/2017 9:33 AM, 0 bytes, A
       Adds the file LOG"="8/28/2017 9:33 AM, 0 bytes, A
       Adds the file MANIFEST-000001"="8/28/2017 9:33 AM, 41 bytes, A
Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 8/28/17
Scan Time: 9:19 AM
Log File: 2cf66b4a-8bc1-11e7-b233-080027750297.json
Administrator: Yes

-Software Information-
Version: 3.2.2.2018
Components Version: 1.0.186
Update Package Version: 1.0.2671
License: Premium

-System Information-
OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: {computername}\{username}

-Scan Summary-
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 317037
Threats Detected: 9
Threats Quarantined: 9
Time Elapsed: 4 min, 15 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Detect
PUM: Detect

-Scan Details-
Process: 0
(No malicious items detected)

Module: 0
(No malicious items detected)

Registry Key: 0
(No malicious items detected)

Registry Value: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 3
Rogue.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0\_metadata, Quarantined, [618], [428536],1.0.2671
Rogue.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0, Quarantined, [618], [428536],1.0.2671
Rogue.ForcedExtension, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\LHFPMOEJDAKLIKBAAKGIBGACBKIEGNJG, Quarantined, [618], [428536],1.0.2671

File: 6
Rogue.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0\_metadata\computed_hashes.json, Quarantined, [618], [428536],1.0.2671
Rogue.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0\_metadata\verified_contents.json, Quarantined, [618], [428536],1.0.2671
Rogue.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0\echttwo.png, Quarantined, [618], [428536],1.0.2671
Rogue.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0\htmlcode.html, Quarantined, [618], [428536],1.0.2671
Rogue.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0\manifest.json, Quarantined, [618], [428536],1.0.2671
Rogue.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lhfpmoejdaklikbaakgibgacbkiegnjg\0.6_0\script.js, Quarantined, [618], [428536],1.0.2671

Physical Sector: 0
(No malicious items detected)


(end)
As mentioned before the full version of Malwarebytes could have protected your computer against this threat.
We use different ways of protecting your computer(s):
  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention
Save yourself the hassle and get protected.
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