PUP.Optional.ForcedInstalledExtensionFF is a generic detection for a large family of browser extensions that target Firefox.
PUP.Optional.ForcedInstalledExtensionFF downloads additional code from a location hardcoded in the extensions' javascript. Using this method these extensions can behave as coin-miners, search hijackers, or any other type of extension.
PUP.Optional.ForcedInstalledExtensionFF are forced on the user by making it as difficult as possible to leave the site without installing the extension.
Malwarebytes can detect and remove PUP.Optional.ForcedInstalledExtensionFF without further user interaction.
An example of how a removal log for PUP.Optional.ForcedInstalledExtensionFF would look:
Malwarebytes www.malwarebytes.com-Log Details- Scan Date: 2/7/18 Scan Time: 9:04 AM Log File: 94567eaa-0bdd-11e8-9439-080027750297.json Administrator: Yes
-Software Information- Version: 3.3.1.2183 Components Version: 1.0.262 Update Package Version: 1.0.3887 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: 241624 Threats Detected: 1 Threats Quarantined: 1 Time Elapsed: 4 min, 40 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\{F4262989-6DE0-4604-918F-663B85FAD605}.XPI, Quarantined, [4633], [486396],1.0.3887
Physical Sector: 0 (No malicious items detected)
(end)
Should users wish to keep this program and exclude it from being detected in future scans, they can add the program to the exclusions list. Here’s how to do it.
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