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[Metallica]

Content is republished with permission from Malwarebytes.

What is Web Picture Gallery?

The Malwarebytes research team has determined that Web Picture Gallery is a forced Firefox extension. The extensions that belong to this family are capable of downloading code after the installation to perform several functions:

• search hijackers
• crypto-currency miners
• adware

How do I know if my computer is affected by Web Picture Gallery?

You may see these prompts to keep visitors trapped on the site:





and these warnings during install:







After install you may see this entry in your list of installed Firefox extensions:



How did Web Picture Gallery get on my computer?
Forced extensions use typical methods for distributing themselves.
They try to keep users trapped until they agree to install the extension.



How do I remove Web Picture Gallery?

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.

Is there anything else I need to do to get rid of Web Picture Gallery?

• No, Malwarebytes removes Web Picture Gallery completely.

How would the full version of Malwarebytes help protect me?

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 and the domains they contact for additional code:



Technical details for experts

Possible signs in FRST logs:

FF Extension: No Name - C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\{profile}.default\Extensions\{a42e5d48-6175-49e3-9e40-0188cde9c5c6}.xpi [2018-02-14]

Alterations made by the installer:

File system details [View: All details] (Selection)
---------------------------------------------------
    In the existing folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\{profile}.default\extensions
       Adds the file {a42e5d48-6175-49e3-9e40-0188cde9c5c6}.xpi"="2/15/2018 8:44 AM, 7832 bytes, A

Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 2/15/18
Scan Time: 8:49 AM
Log File: c9dce83d-1224-11e8-8dc5-080027750297.json
Administrator: Yes

-Software Information-
Version: 3.3.1.2183
Components Version: 1.0.262
Update Package Version: 1.0.3957
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: 242482
Threats Detected: 1
Threats Quarantined: 1
Time Elapsed: 2 min, 23 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: 0
(No malicious items detected)

File: 1
PUP.Optional.ForcedInstalledExtensionFF, C:\USERS\{username}\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\{profile}.default\EXTENSIONS\{A42E5D48-6175-49E3-9E40-0188CDE9C5C6}.XPI, Quarantined, [4672], [490863],1.0.3957

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.