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Content is republished with permission from Malwarebytes.

What is SystemBoosterPro?

The Malwarebytes research team has determined that SystemBoosterPro is a "system optimizer". These so-called "system optimizers" use intentional false positives to convince users that their systems have problems. Then they try to sell you their software, claiming it will remove these problems.
More information can be found on our Malwarebytes Labs blog.

How do I know if I am infected with SystemBoosterPro?

This is how the main screen of the sytem optimizer looks:



You will find these icons in your taskbar, startmenu, and on your desktop:



and see this type of warnings during install:



and these screens during "operations":







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



How did SystemBoosterPro get on my computer?

These so-called system optimizers use different methods of getting installed. This particular one was downloaded from their site.



How do I remove SystemBoosterPro?

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

• 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 SystemBoosterPro?

• No, Malwarebytes removes SystemBoosterPro completely.

How would the full version of Malwarebytes help protect me?

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

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



and we block access to their domain:



Technical details for experts

You may see these entries in FRST logs:

 () C:\Program Files (x86)\SystemBoosterPro\SystemBoosterPro.exe
 C:\Users\{username}\Desktop\SystemBoosterPro.lnk
 C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SystemBoosterPro
 C:\Program Files (x86)\SystemBoosterPro

SystemBoosterPro (HKLM-x32\...\SystemBoosterPro) (Version: 38.1 - )

Alterations made by the installer:

File system details [View: All details] (Selection)
---------------------------------------------------
    Adds the folder C:\Program Files (x86)\SystemBoosterPro
       Adds the file SystemBoosterPro.exe"="8/31/2016 3:37 PM, 5059072 bytes, A
       Adds the file uninst.exe"="2/17/2017 8:52 AM, 63459 bytes, A
    Adds the folder C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SystemBoosterPro
       Adds the file SystemBoosterPro.lnk"="2/17/2017 8:52 AM, 1139 bytes, A
       Adds the file Uninstall.lnk"="2/17/2017 8:52 AM, 872 bytes, A
    In the existing folder C:\Users\{username}\Desktop
       Adds the file SystemBoosterPro.lnk"="2/17/2017 8:52 AM, 1103 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\SystemBoosterPro.exe]
       "(Default)"="REG_SZ", "C:\Program Files (x86)\SystemBoosterPro\SystemBoosterPro.exe"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\SystemBoosterPro]
       "DisplayIcon"="REG_SZ", "C:\Program Files (x86)\SystemBoosterPro\SystemBoosterPro.exe"
       "DisplayName"="REG_SZ", "SystemBoosterPro"
       "DisplayVersion"="REG_SZ", "38.1"
       "NSIS:Language"="REG_SZ", "1033"
       "Publisher"="REG_SZ", ""
       "UninstallString"="REG_SZ", "C:\Program Files (x86)\SystemBoosterPro\uninst.exe"
       "URLInfoAbout"="REG_SZ", ""
    [HKEY_CURRENT_USER\Software\SystemBoosterPro]
       "Activated"="REG_DWORD", 0
       "AutoRun"="REG_DWORD", 0
       "BackupDir"="REG_SZ", "Backup\"
       "CloseToTray"="REG_DWORD", 1
       "ErrFixed"="REG_DWORD", 0
       "ErrFound"="REG_DWORD", 0
       "IDLang"="REG_DWORD", 0
       "InstallID"="REG_SZ", "8DF622D99DD30679E0A274C4045DFFA8"
       "LastFixDatei"="REG_BINARY, ....
       "LastScanDatei"="REG_BINARY, ....
       "Partner"="REG_SZ", ""
       "PhSuppNum"="REG_SZ", ""
       "ProxyHost"="REG_SZ", ""
       "ProxyLogin"="REG_SZ", ""
       "ProxyPassw"="REG_SZ", ""
       "ProxyPort"="REG_SZ", ""
       "SerialNum"="REG_SZ", ""
       "Subtrack"="REG_SZ", ""
       "UseProxy"="REG_DWORD", 0

Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 2/17/17
Scan Time: 9:04 AM
Logfile: mbamSystemBoosterPro.txt
Administrator: Yes

-Software Information-
Version: 3.0.5.1299
Components Version: 1.0.43
Update Package Version: 1.0.1284
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: 360483
Time Elapsed: 2 min, 5 sec

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

-Scan Details-
Process: 1
PUP.Optional.oTweak, C:\PROGRAM FILES (X86)\SYSTEMBOOSTERPRO\SYSTEMBOOSTERPRO.EXE, Quarantined, [1890], [369662],1.0.1284

Module: 1
PUP.Optional.oTweak, C:\PROGRAM FILES (X86)\SYSTEMBOOSTERPRO\SYSTEMBOOSTERPRO.EXE, Quarantined, [1890], [369662],1.0.1284

Registry Key: 1
PUP.Optional.oTweak, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\SystemBoosterPro, Delete-on-Reboot, [1890], [334912],1.0.1284

Registry Value: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 2
PUP.Optional.oTweak, C:\PROGRAM FILES (X86)\SystemBoosterPro, Delete-on-Reboot, [1890], [334912],1.0.1284
PUP.Optional.oTweak, C:\USERS\{username}\APPDATA\ROAMING\MICROSOFT\WINDOWS\START MENU\PROGRAMS\SYSTEMBOOSTERPRO, Delete-on-Reboot, [1890], [369661],1.0.1284

File: 6
PUP.Optional.oTweak, C:\PROGRAM FILES (X86)\SYSTEMBOOSTERPRO\SYSTEMBOOSTERPRO.EXE, Delete-on-Reboot, [1890], [369662],1.0.1284
PUP.Optional.oTweak, C:\Program Files (x86)\SystemBoosterPro\uninst.exe, Delete-on-Reboot, [1890], [334912],1.0.1284
PUP.Optional.oTweak, C:\USERS\{username}\DESKTOP\SYSTEMBOOSTERPRO.LNK, Delete-on-Reboot, [1890], [334910],1.0.1284
PUP.Optional.oTweak, C:\USERS\{username}\DESKTOP\SYSTEMBOOSTERPRO.EXE, Delete-on-Reboot, [1890], [369662],1.0.1284
PUP.Optional.oTweak, C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SystemBoosterPro\SystemBoosterPro.lnk, Delete-on-Reboot, [1890], [369661],1.0.1284
PUP.Optional.oTweak, C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SystemBoosterPro\Uninstall.lnk, Delete-on-Reboot, [1890], [369661],1.0.1284

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

Save yourself the hassle and get protected.