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Content is republished with permission from Malwarebytes.

What is RunBooster?

The Malwarebytes research team has determined that RunBooster is adware. These adware applications display advertisements not originating from the sites you are browsing.

How do I know if my computer is affected by RunBooster?

You may see this entry in your list of installed programs:



this Scheduled Task:



and you may see this warning during install:



How did RunBooster get on my computer?

Adware applications use different methods for distributing themselves. This particular one was bundled with other software.

How do I remove RunBooster?

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 RunBooster?

• No, Malwarebytes removes RunBooster completely.
• This adware creates a scheduled task. You can read here how to check for and, if necessary, remove Scheduled Tasks.

How would the full version of Malwarebytes help protect me?

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

As you can see below the full version of Malwarebytes would have protected you against the RunBooster adware. It would have warned you before the adware could install itself, giving you a chance to stop it before it became too late.

Technical details for experts

Possible signs in FRST logs:

 (SkyNET Corporation) C:\Program Files\RunBooster\RunBoosterService64.exe
 R2 RunBooster; C:\Program Files\RunBooster\RunBoosterService64.exe [286720 2017-02-07] (SkyNET Corporation) [File not signed]
 R2 WinDivert1.2; C:\Windows\system32\drivers\WinDivert64.sys [37552 2017-02-07] (Basil)
 (Basil) C:\Windows\system32\Drivers\WinDivert64.sys
 C:\Windows\System32\Tasks\RunBoosterUpdateTask
 C:\Program Files\RunBooster

RunBooster (HKLM\...\RunBooster) (Version: 1.0.3 - SkyNET Corporation) <==== ATTENTION
Task: {9475BC77-1F2B-4B71-B8C3-7702B8C4DBC9} - System32\Tasks\RunBoosterUpdateTask => C:\Program Files\RunBooster\RunBoosterUpdateTask64.exe [2017-02-07] (SkyNET Corporation) <==== ATTENTION
() C:\Program Files\RunBooster\WinDivert.dll

Alterations made by the installer:

File system details [View: All details] (Selection)
---------------------------------------------------
    Adds the folder C:\Program Files\RunBooster
       Adds the file msvcr110.dll"="2/7/2017 8:57 AM, 849360 bytes, A
       Adds the file RunBoosterService64.exe"="2/7/2017 8:57 AM, 286720 bytes, A
       Adds the file RunBoosterUpdateTask64.exe"="2/7/2017 8:57 AM, 399360 bytes, A
       Adds the file Uninstall.exe"="2/7/2017 8:57 AM, 349184 bytes, A
       Adds the file WinDivert.dll"="2/7/2017 8:57 AM, 30208 bytes, A
    In the existing folder C:\Windows\System32\drivers
       Adds the file WinDivert64.sys"="2/7/2017 8:57 AM, 37552 bytes, A
    In the existing folder C:\Windows\System32\Tasks
       Adds the file RunBoosterUpdateTask"="2/7/2017 8:57 AM, 4272 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\RunBooster]
       "DisplayIcon"="REG_SZ", "C:\Program Files\RunBooster\RunBoosterService64.exe"
       "DisplayName"="REG_SZ", "RunBooster"
       "DisplayVersion"="REG_SZ", "1.0.3"
       "EstimatedSize"="REG_DWORD", 1869
       "InstallDate"="REG_SZ", "20170207"
       "InstallLocation"="REG_SZ", "C:\Program Files\RunBooster"
       "NoModify"="REG_DWORD", 1
       "NoRepair"="REG_DWORD", 1
       "Publisher"="REG_SZ", "SkyNET Corporation"
       "UninstallString"="REG_SZ", "C:\Program Files\RunBooster\Uninstall.exe"
    [HKEY_LOCAL_MACHINE\SOFTWARE\RunBooster\Cryptography]
       "MachineGuid"="REG_SZ", "11b5228c-8e3a-466c-acdb-cfb97cf018a2"
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\RunBooster]
       "Description"="REG_SZ", "Shows unique selling propositions while surfing in the web"
       "DisplayName"="REG_SZ", "RunBooster Service"
       "ErrorControl"="REG_DWORD", 1
       "ImagePath"="REG_EXPAND_SZ, "C:\Program Files\RunBooster\RunBoosterService64.exe"
       "ObjectName"="REG_SZ", "NT AUTHORITY\LocalService"
       "Start"="REG_DWORD", 2
       "Type"="REG_DWORD", 16
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WinDivert1.2]
       "DisplayName"="REG_SZ", "WinDivert1.2"
       "ErrorControl"="REG_DWORD", 1
       "ImagePath"="REG_EXPAND_SZ, "\??\C:\Windows\system32\drivers\WinDivert64.sys"
       "Start"="REG_DWORD", 2
       "Type"="REG_DWORD", 1
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WinDivert1.2\Enum]
       "0"="REG_SZ", "Root\LEGACY_WINDIVERT1.2\0000"
       "Count"="REG_DWORD", 1
       "NextInstance"="REG_DWORD", 1
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WinDivert1.2\Parameters\Wdf]
       "TimeOfLastSqmLog"="REG_QWORD, ....
       "WdfMajorVersion"="REG_DWORD", 1
       "WdfMinorVersion"="REG_DWORD", 9

Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 2/7/17
Scan Time: 9:11 AM
Logfile: mbamRunBooster.txt
Administrator: Yes

-Software Information-
Version: 3.0.5.1299
Components Version: 1.0.43
Update Package Version: 1.0.1201
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: 359009
Time Elapsed: 2 min, 3 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled

-Scan Details-
Process: 1
Adware.RunBooster, C:\PROGRAM FILES\RUNBOOSTER\RUNBOOSTERSERVICE64.EXE, Quarantined, [2278], [357591],1.0.1201

Module: 1
Adware.RunBooster, C:\PROGRAM FILES\RUNBOOSTER\RUNBOOSTERSERVICE64.EXE, Quarantined, [2278], [357591],1.0.1201

Registry Key: 3
Adware.RunBooster, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{9475BC77-1F2B-4B71-B8C3-7702B8C4DBC9}, Delete-on-Reboot, [2278], [358296],1.0.1201
Adware.RunBooster, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TREE\RunBoosterUpdateTask, Delete-on-Reboot, [2278], [358287],1.0.1201
Adware.RunBooster, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\RUNBOOSTER, Delete-on-Reboot, [2278], [357591],1.0.1201

Registry Value: 2
Adware.RunBooster, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{9475BC77-1F2B-4B71-B8C3-7702B8C4DBC9}|PATH, Delete-on-Reboot, [2278], [358296],1.0.1201
Adware.RunBooster, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\RUNBOOSTER|DESCRIPTION, Delete-on-Reboot, [2278], [357591],1.0.1201

Data Stream: 0
(No malicious items detected)

Folder: 0
(No malicious items detected)

File: 4
Adware.RunBooster, C:\USERS\{username}\DESKTOP\RUNBOOSTERSETUP64_3231.EXE, Delete-on-Reboot, [2278], [357686],1.0.1201
Adware.RunBooster, C:\PROGRAM FILES\RUNBOOSTER\RUNBOOSTERUPDATETASK64.EXE, Delete-on-Reboot, [2278], [357685],1.0.1201
Adware.RunBooster, C:\WINDOWS\SYSTEM32\TASKS\RUNBOOSTERUPDATETASK, Delete-on-Reboot, [2278], [357683],1.0.1201
Adware.RunBooster, C:\PROGRAM FILES\RUNBOOSTER\RUNBOOSTERSERVICE64.EXE, Delete-on-Reboot, [2278], [357591],1.0.1201

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

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