Removal instructions for System Notifier

Content is republished with permission from Malwarebytes.

What is System Notifier?

The Malwarebytes research team has determined that System Notifier is a browser 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. This one also displays advertisements.

How do I know if my computer is affected by System Notifier?

You may see these tasks in your Task Scheduler:

and this entry in your list of installed programs:

How did System Notifier get on my computer?

Browser hijackers use different methods for distributing themselves. This particular one was bundled with other software.

How do I remove System Notifier?

Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted application.

Please download Malwarebytes Anti-Malware to your desktop.
Double-click mbam-setup-version.exe and follow the prompts to install the program.
At the end, be sure a check-mark is placed next to the following:
- Enable free trial of Malwarebytes Anti-Malware Premium
- Launch Malwarebytes Anti-Malware
Then click Finish.
If an update is found, you will be prompted to download and install the latest version.
Once the program has loaded, select Scan now. Or select the Threat Scan from the Scan menu.
When the scan is complete , make sure that everything is set to "Quarantine", and click Apply Actions.
Reboot your computer if prompted.

Is there anything else I need to do to get rid of System Notifier?

No, Malwarebytes' Anti-Malware removes System Notifier completely.
This PUP creates some scheduled tasks. You can read here how to check for and, if necessary, remove Scheduled Tasks.

How would the full version of Malwarebytes Anti-Malware 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 Anti-Malware would have protected you against the System Notifier hijacker. It would have warned you before the rogue could install itself, giving you a chance to stop it before it became too late.

Technical details for experts

No visible signs in a HijackThis log

You may see these entries in FRST logs:

 () C:\Windows\Tasks\895510fa-cdff-47b2-9229-5615a896673a-5_user.job
 () C:\Windows\Tasks\895510fa-cdff-47b2-9229-5615a896673a-5.job
 () C:\Program Files\System NotifierV27.02

 System NotifierV27.02 (HKLM\...\System NotifierV27.02) (Version: 1.36.01.22 - System NotifierV27.02)
 Task: {28DE1C41-D620-492B-A44D-3D02538992D4} - System32\Tasks\895510fa-cdff-47b2-9229-5615a896673a-5 => C:\Program Files\System NotifierV27.02\895510fa-cdff-47b2-9229-5615a896673a-5.exe [2015-03-04] (System NotifierV27.02) <==== ATTENTION
 Task: {4AB2DB04-7BE8-40C0-9319-12EC13A2CB17} - System32\Tasks\895510fa-cdff-47b2-9229-5615a896673a-5_user => C:\Program Files\System NotifierV27.02\895510fa-cdff-47b2-9229-5615a896673a-5.exe [2015-03-04] (System NotifierV27.02) <==== ATTENTION

Alterations made by the installer:

File system details  
---------------------------------------------
    Adds the folder C:\Program Files\System NotifierV27.02
       Adds the file 895510fa-cdff-47b2-9229-5615a896673a-5.exe"="3/4/2015 12:51 PM, 1156568 bytes, A
       Adds the file Uninstall.exe"="3/4/2015 12:51 PM, 122840 bytes, A
       Adds the file UninstallBrw.exe"="3/4/2015 12:51 PM, 1435608 bytes, A
       Adds the file utils.exe"="3/4/2015 12:51 PM, 1782013 bytes, A
    In the existing folder C:\Windows\System32\Tasks
       Adds the file 895510fa-cdff-47b2-9229-5615a896673a-5"="3/4/2015 12:51 PM, 5478 bytes, A
       Adds the file 895510fa-cdff-47b2-9229-5615a896673a-5_user"="3/4/2015 12:51 PM, 5484 bytes, A
    In the existing folder C:\Windows\Tasks
       Adds the file 895510fa-cdff-47b2-9229-5615a896673a-5.job"="3/4/2015 12:51 PM, 2448 bytes, A
       Adds the file 895510fa-cdff-47b2-9229-5615a896673a-5_user.job"="3/4/2015 12:51 PM, 2448 bytes, A

Registry details  
------------------------------------------
    [HKEY_LOCAL_MACHINE\SOFTWARE\AppDataLow\Software\Crossrider]
       "Bic"="REG_SZ", "319C95C0CD724A79AB7B20F004727BDEIE"
       "Verifier"="REG_SZ", "55fa0a7d9b52e5c512ee2b3116313a41"
    [HKEY_LOCAL_MACHINE\SOFTWARE\InstalledBrowserExtensions\27058]
       "71569"="REG_SZ", "System NotifierV27.02"
    [HKEY_LOCAL_MACHINE\SOFTWARE\InstalledBrowserExtensions\27058\Status]
       "Installed"="REG_DWORD", 1
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\System NotifierV27.02]
       "CrAppId"="REG_SZ", "71569"
       "CrPublisherId"="REG_SZ", "27058"
       "DisplayIcon"="REG_SZ", "C:\Program Files\System NotifierV27.02\utils.exe"
       "DisplayName"="REG_SZ", "System NotifierV27.02"
       "DisplayVersion"="REG_SZ", "1.36.01.22"
       "Publisher"="REG_SZ", "System NotifierV27.02"
       "UninstallString"="REG_SZ", "C:\Program Files\System NotifierV27.02\Uninstall.exe /fcp=1 /runexe='C:\Program Files\System NotifierV27.02\UninstallBrw.exe' /url='http://static.gonotiftime.com/notf_sys/index.html' /brwtype='uni' /onerrorexe='C:\Program Files\System NotifierV27.02\utils.exe' /crregname='System NotifierV27.02' /appid='71569' /srcid='002751' /bic='319C95C0CD724A79AB7B20F004727BDEIE' /verifier='55fa0a7d9b52e5c512ee2b3116313a41' /brwshtoms='15000' /installerversion='1_36_01_22' /statsdomain='http://stats.ourinfoonlinestack.com/utility.gif?' /errorsdomain='http://errors.ourinfoonlinestack.com/utility.gif?' /monetizationdomain='http://logs.ourinfoonlinestack.com/monetization.gif?' "
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures]
       "895510fa-cdff-47b2-9229-5615a896673a-5.job"="REG_BINARY, ...1............................
       "895510fa-cdff-47b2-9229-5615a896673a-5.job.fp"="REG_DWORD", 1364956215
       "895510fa-cdff-47b2-9229-5615a896673a-5_user.job"="REG_BINARY, ................................
       "895510fa-cdff-47b2-9229-5615a896673a-5_user.job.fp"="REG_DWORD", 564253188
    [HKEY_CURRENT_USER\Software\AppDataLow\Software\Crossrider]
       "Bic"="REG_SZ", "319C95C0CD724A79AB7B20F004727BDEIE"
       "Verifier"="REG_SZ", "55fa0a7d9b52e5c512ee2b3116313a41"
    [HKEY_CURRENT_USER\Software\InstalledBrowserExtensions\27058]
       "71569"="REG_SZ", "System NotifierV27.02"
    [HKEY_CURRENT_USER\Software\InstalledBrowserExtensions\27058\Status]
       "Installed"="REG_DWORD", 1
    [HKEY_CURRENT_USER\Software\InstalledBrowserExtensions\System NotifierV27.02]
       "71569"="REG_SZ", "System NotifierV27.02"

Malwarebytes Anti-Malware log:

Malwarebytes Anti-Malware
www.malwarebytes.org

Scan Date: 3/4/2015
Scan Time: 1:02:49 PM
Logfile: mbamSystemNotifier.txt
Administrator: Yes

Version: 2.00.4.1028
Malware Database: v2015.03.04.04
Rootkit Database: v2015.02.25.01
License: Free
Malware Protection: Disabled
Malicious Website Protection: Disabled
Self-protection: Disabled

OS: Windows 7 Service Pack 1
CPU: x86
File System: NTFS
User: Malwarebytes

Scan Type: Threat Scan
Result: Completed
Objects Scanned: 295548
Time Elapsed: 3 min, 31 sec

Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled

Processes: 0
(No malicious items detected)

Modules: 0
(No malicious items detected)

Registry Keys: 5
PUP.Optional.CrossRider.A, HKLM\SOFTWARE\INSTALLEDBROWSEREXTENSIONS\27058, Quarantined, [b3d14ff26129dc5a260e05ddbe4552ae], 
PUP.Optional.CrossRider.A, HKCU\SOFTWARE\APPDATALOW\SOFTWARE\Crossrider, Quarantined, [fd87be8314766acc183c1008ca3b7f81], 
PUP.Optional.CrossRider.A, HKCU\SOFTWARE\INSTALLEDBROWSEREXTENSIONS\27058, Quarantined, [e99b92af82081c1a2ba6457642c1ce32], 
PUP.Optional.CrossRider.A, HKCU\SOFTWARE\INSTALLEDBROWSEREXTENSIONS\System NotifierV27.02, Quarantined, [9ce859e8d7b3aa8cce94407034cf7a86], 
PUP.Optional.SystemNotifier.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\System NotifierV27.02, Quarantined, [6e1657ea59319c9aa527613cc241847c], 

Registry Values: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Folders: 1
PUP.Optional.SystemNotifier.A, C:\Program Files\System NotifierV27.02, Quarantined, [6e1657ea59319c9aa527613cc241847c], 

Files: 9
PUP.Optional.SystemNotifier.A, C:\Users\{username}\Desktop\mini_installer.exe, Quarantined, [c6bed36eeb9f8caa87a2977c40c63fc1], 
PUP.Optional.SystemNotifier.A, C:\Program Files\System NotifierV27.02\895510fa-cdff-47b2-9229-5615a896673a-5.exe, Quarantined, [4143033e028875c15dccf22162a4a15f], 
PUP.Optional.SystemNotifier.A, C:\Program Files\System NotifierV27.02\UninstallBrw.exe, Quarantined, [5a2a93ae840639fd7aaf858ed333837d], 
PUP.Optional.CrossRider.T, C:\Windows\System32\Tasks\895510fa-cdff-47b2-9229-5615a896673a-5, Quarantined, [89fb053c6426d06664247453689bc13f], 
PUP.Optional.CrossRider.T, C:\Windows\System32\Tasks\895510fa-cdff-47b2-9229-5615a896673a-5_user, Quarantined, [483c3c055337de5893f5f4d3c2410cf4], 
PUP.Optional.CrossRider.T, C:\Windows\Tasks\895510fa-cdff-47b2-9229-5615a896673a-5.job, Quarantined, [bbc9172a167472c4c2c78f953dc8ca36], 
PUP.Optional.CrossRider.T, C:\Windows\Tasks\895510fa-cdff-47b2-9229-5615a896673a-5_user.job, Quarantined, [7d070e33791154e23a4f899b07fefc04], 
PUP.Optional.SystemNotifier.A, C:\Program Files\System NotifierV27.02\Uninstall.exe, Quarantined, [6e1657ea59319c9aa527613cc241847c], 
PUP.Optional.SystemNotifier.A, C:\Program Files\System NotifierV27.02\utils.exe, Quarantined, [6e1657ea59319c9aa527613cc241847c], 

Physical Sectors: 0
(No malicious items detected)


(end)

As mentioned before the full version of Malwarebytes Anti-Malware 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.

#1
Metallica

Posted 04 March 2015 - 06:32 AM

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