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What is SD App?

The Malwarebytes research team has determined that SD App is a search hijacker. These so-called "hijackers" manipulate your browser(s), for example to change your startpage or searchscopes, so that the affected browser visits their site or one of their choice.

How do I know if my computer is affected by SD App?

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

main.png

and these warnings during install:

warning1.png

warning2.png

You will see this changed setting:

warning5.png

How did SD App get on my computer?

Browser hijackers use different methods for distributing themselves. This particular one was downloaded from the webstore:

webstore.png

after a redirect from their website:

website.png

How do I remove SD App?

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 SD App?

  • No, Malwarebytes removes SD App completely.

How would the full version of Malwarebytes help protect me?

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

As you can see below the full version of Malwarebytes would have protected you against the SD App hijacker. It would have blocked their website, giving you a chance to stop it before it became too late.

 

protection2.png


Technical details for experts

Possible signs in FRST logs:

 

CHR DefaultSearchURL: Default -> hxxps://searchprivacyplus.com/results.php?p=9011&v=400&q={searchTerms}&source=default
CHR DefaultSearchKeyword: Default -> Secure
CHR DefaultSuggestURL: Default -> hxxps://searchprivacyplus.com/gjson.php?q={searchTerms}
CHR Extension: (Secure) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld [2019-04-05]

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\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0
       Adds the file background.js"="2/26/2019 7:40 PM, 8917 bytes, A
       Adds the file manifest.json"="4/5/2019 11:04 AM, 1828 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\_metadata
       Adds the file computed_hashes.json"="4/5/2019 11:04 AM, 451 bytes, A
       Adds the file verified_contents.json"="2/26/2019 7:46 PM, 1651 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\icons
       Adds the file icon128.png"="4/5/2019 11:04 AM, 2188 bytes, A
       Adds the file icon48.png"="4/5/2019 11:04 AM, 253 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lnlfjeagcjplpnfkgjamnpmdlenmbeld
       Adds the file 000003.log"="4/5/2019 11:06 AM, 184 bytes, A
       Adds the file CURRENT"="4/5/2019 11:05 AM, 16 bytes, A
       Adds the file LOCK"="4/5/2019 11:05 AM, 0 bytes, A
       Adds the file LOG"="4/5/2019 11:05 AM, 183 bytes, A
       Adds the file MANIFEST-000001"="4/5/2019 11:05 AM, 41 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Web Applications\_crx_lnlfjeagcjplpnfkgjamnpmdlenmbeld
       Adds the file SD App.ico"="4/5/2019 11:05 AM, 162813 bytes, A
       Adds the file SD App.ico.md5"="4/5/2019 11:05 AM, 16 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs\Default\extensions.settings]
       "lnlfjeagcjplpnfkgjamnpmdlenmbeld"="REG_SZ", "A009BF40C2D6C1739A9C085D96D11506AC7383D2B0AC0BF3EE6FB8E2AB68FD76"

Malwarebytes log:
 

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 4/5/19
Scan Time: 11:16 AM
Log File: 7ece3cf7-5783-11e9-97ea-00ffdcc6fdfc.json

-Software Information-
Version: 3.7.1.2839
Components Version: 1.0.563
Update Package Version: 1.0.10012
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: 236118
Threats Detected: 21
Threats Quarantined: 21
Time Elapsed: 5 min, 31 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
Adware.SearchEngineHijack, HKCU\SOFTWARE\GOOGLE\CHROME\PREFERENCEMACS\Default\extensions.settings|lnlfjeagcjplpnfkgjamnpmdlenmbeld, Quarantined, [357], [570731],1.0.10012

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 5
Adware.SearchEngineHijack, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Sync Extension Settings\lnlfjeagcjplpnfkgjamnpmdlenmbeld, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\_metadata, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\icons, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\LNLFJEAGCJPLPNFKGJAMNPMDLENMBELD, Quarantined, [357], [570731],1.0.10012

File: 15
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lnlfjeagcjplpnfkgjamnpmdlenmbeld\000003.log, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lnlfjeagcjplpnfkgjamnpmdlenmbeld\CURRENT, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lnlfjeagcjplpnfkgjamnpmdlenmbeld\LOCK, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lnlfjeagcjplpnfkgjamnpmdlenmbeld\LOG, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lnlfjeagcjplpnfkgjamnpmdlenmbeld\MANIFEST-000001, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\LNLFJEAGCJPLPNFKGJAMNPMDLENMBELD\2.1.0.9_0\MANIFEST.JSON, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\icons\icon128.png, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\icons\icon48.png, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\_metadata\computed_hashes.json, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\_metadata\verified_contents.json, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lnlfjeagcjplpnfkgjamnpmdlenmbeld\2.1.0.9_0\background.js, Quarantined, [357], [570731],1.0.10012
Adware.SearchEngineHijack, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [357], [570730],1.0.10012
Adware.SearchEngineHijack, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [357], [570730],1.0.10012

Physical Sector: 0
(No malicious items detected)

WMI: 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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