What is Memory Game?
The Malwarebytes research team has determined that Memory Game is adware and a forced Chrome extension.
How do I know if my computer is affected by Memory Game?
You may see these warnings during install:




And you will see this entry in your list of installed Chrome extensions:

How did Memory Game get on my computer?
Forced extensions use a typical method for distributing themselves. This particular one was also available in the webstore.

How do I remove Memory Game?
Our program Malwarebytes can detect and remove this 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.
- No, Malwarebytes removes Memory Game completely.
- If you are using an older version of Malwarebytes you may have to remove the Chrome Extension manually under Tools > More Tools > Extensions. Click on the bin behind the Memory Game entry and confirm Remove in the prompt.
We hope our application and this guide have helped you eradicate this forced extension.
We protect our customers from these extensions by blocking the sites that spread them:

Technical details for experts
Possible signs in FRST logs:
CHR Extension: (Memory Game) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg [2018-04-02]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\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0 Adds the file background.html"="1/3/2018 2:26 PM, 4228 bytes, A Adds the file manifest.json"="4/3/2018 8:28 AM, 1085 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\_metadata Adds the file computed_hashes.json"="4/3/2018 8:28 AM, 3663 bytes, A Adds the file verified_contents.json"="3/23/2018 11:46 AM, 2469 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\assets Adds the file 128.png"="4/3/2018 8:28 AM, 6321 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\css Adds the file option.css"="1/3/2018 1:33 PM, 3392 bytes, A Adds the file popup.css"="1/3/2018 1:33 PM, 0 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\html Adds the file popup.html"="1/3/2018 2:25 PM, 453 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\js Adds the file background.bundle.js"="3/23/2018 11:46 AM, 2311 bytes, A Adds the file content.bundle.js"="1/3/2018 2:25 PM, 721 bytes, A Adds the file option.bundle.js"="1/3/2018 2:23 PM, 5995 bytes, A Adds the file popup.bundle.js"="1/3/2018 2:25 PM, 199 bytes, A Adds the file vendor.bundle.js"="3/23/2018 11:45 AM, 224008 bytes, A Registry details [View: All details] (Selection) ------------------------------------------------ [HKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs\Default\extensions.settings] "mjagjljkalnniphbckgioopkndidhkjg"="REG_SZ", "6471576EFE49F8541B3B89D9E7078F832965ACECCEB5A149A94E3343B80A2D29"Malwarebytes log:
Malwarebytes www.malwarebytes.com -Log Details- Scan Date: 4/3/18 Scan Time: 8:32 AM Log File: bedc23eb-3708-11e8-908a-080027235d76.json Administrator: Yes -Software Information- Version: 3.3.1.2183 Components Version: 1.0.262 Update Package Version: 1.0.4594 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: 244804 Threats Detected: 22 Threats Quarantined: 22 Time Elapsed: 3 min, 2 sec -Scan Options- Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Enabled 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: 7 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\_metadata, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\assets, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\html, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\css, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\js, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\EXTENSIONS\mjagjljkalnniphbckgioopkndidhkjg, Quarantined, [1033], [505924],1.0.4594 File: 15 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\assets\128.png, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\css\option.css, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\css\popup.css, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\html\popup.html, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\js\background.bundle.js, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\js\content.bundle.js, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\js\option.bundle.js, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\js\popup.bundle.js, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\js\vendor.bundle.js, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\_metadata\computed_hashes.json, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\_metadata\verified_contents.json, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\background.html, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\mjagjljkalnniphbckgioopkndidhkjg\8.12.10_0\manifest.json, Quarantined, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [1033], [505924],1.0.4594 Adware.ForcedExtension, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, [1033], [505924],1.0.4594 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