PUP.Optional.IEnjoyApps

Short bio

PUP.Optional.IEnjoyApps is Malwarebytes detection name for a large family of browser extensions that act as search hijackers and target the Chrome browser.

Symptoms

Users may notice prompts like this one during install:

searchalgo change

and see that their default serach engine has changed.

changed default search

Type and source of the infection

PUP.Optional.IEnjoyApps hijacks the users’ search results by changing the default search engine for the affected browser.
Most of the extensions detected as PUP.Optional.IEnjoyApps can be downloaded from the domain ienjoyapps.com and are offered as search extensions specialized in a certain field like movies, games, etc.

Protection

Malwarebytes protects users from PUP.Optional.IEnjoyApps by blocking their domains.

Malwarebytes blocks 96.45.83.233

Remediation

Malwarebytes can detect and remove {detection name} without further user interaction.

  1. Please download Malwarebytes to your desktop.
  2. Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
  3. Then click Finish.
  4. Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
  5. If another update of the definitions is available, it will be implemented before the rest of the scanning procedure.
  6. When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
  7. Restart your computer when prompted to do so.

Malwarebytes removal log

A Malwarebytes log of removal will look similar to this:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 11/15/18
Scan Time: 10:48 AM
Log File: a6c7b8fe-e8bb-11e8-ae27-00ffdcc6fdfc.json

-Software Information-
Version: 3.6.1.2711
Components Version: 1.0.482
Update Package Version: 1.0.7855
License: Premium

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

-Scan Summary-
Scan Type: Threat Scan
Scan Initiated By: Manual
Result: Completed
Objects Scanned: 237864
Threats Detected: 41
Threats Quarantined: 41
Time Elapsed: 2 min, 57 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: 1
PUP.Optional.IEnjoyApps.Generic, HKCU\SOFTWARE\GOOGLE\CHROME\PREFERENCEMACS\Default\extensions.settings|dmfdjkfpljiniadicampijngdedfppfh, Quarantined, [14284], [443085],1.0.7855

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 9
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\js\official, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\_metadata, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\vertical, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\images, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\DMFDJKFPLJINIADICAMPIJNGDEDFPPFH, Quarantined, [14284], [443085],1.0.7855

File: 31
PUP.Optional.IEnjoyApps.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\DMFDJKFPLJINIADICAMPIJNGDEDFPPFH\1.0.1_0\MANIFEST.JSON, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\material-icons.css, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\MaterialIcons-Regular.eot, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\MaterialIcons-Regular.ijmap, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\MaterialIcons-Regular.svg, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\MaterialIcons-Regular.ttf, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\MaterialIcons-Regular.woff, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\MaterialIcons-Regular.woff2, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\RobotoCondensed-Light.ttf, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\fonts\RobotoCondensed-Regular.ttf, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\css\style.css, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\images\icon128.png, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\images\icon16.png, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\images\icon38.png, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\js\official\bootstrap.min.js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\js\official\jquery.min.js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\js\official\material.min.js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\js\base.js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\js\init.js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\js\main.js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\vertical\440x280.jpg, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\vertical\init.js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\vertical\pop.js, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\_metadata\computed_hashes.json, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\_metadata\verified_contents.json, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.IEnjoyApps.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh\1.0.1_0\popup.html, Quarantined, [14284], [443085],1.0.7855
PUP.Optional.SearchAlgo, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [337], [454816],1.0.7855
PUP.Optional.SearchAlgo, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [337], [454816],1.0.7855

Physical Sector: 0
(No malicious items detected)

WMI: 0
(No malicious items detected)


(end)

Add an exclusion

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.

The Exclusions tab includes a list of items to be excluded from scans. The items may include files, folders, websites, or applications that connect to the Internet, as well as previously detected exploits.

To access the exclusions in Malwarebytes:

  • Click on the Settings tab in the left pane.
  • Click on the Exclusions tab.
  • Click the Add Exclusion button.
  • Select the exclusion type Exclude a File or Folder and use the Browse button to select the main folder for the software that you wish to keep.
  • Repeat this for any secondary folder(s) that belong to the software.

Traces/IOCs

You may see these entries in FRST logs:

CHR DefaultSearchURL: Default -> hxxp://movix.searchalgo.com/go/?category=web&s=tidp&vert=movies&var=plus&q={searchTerms}
CHR DefaultSearchKeyword: Default -> iTheatre
CHR DefaultSuggestURL: Default -> hxxp://sug.searchalgo.com/search/index_sg.php?q={searchTerms}
CHR Extension: (iTheatre Search Plus) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dmfdjkfpljiniadicampijngdedfppfh [2018-11-15]

Associated threats

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