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Content is republished with permission from Malwarebytes.

What is ScrollUp?

The Malwarebytes research team has determined that ScrollUp 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 ScrollUp?

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



and these warnings during install:





How did ScrollUp get on my computer?

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

How do I remove ScrollUp?

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

• 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 ScrollUp?

• No, Malwarebytes' Anti-Malware removes ScrollUp completely.

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 ScrollUp 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:

 () C:\Program Files (x86)\Software\Scrollup\Scrollup.exe
 C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Scrollup
 C:\Program Files (x86)\Software

Scrollup 1.0.0 (HKLM-x32\...\{fd2cb11f-5d65-410e-9569-ce67e83fbe72}_is1) (Version: 1.0.0 - Scrollup)

Alterations made by the installer:

File system details [View: All details] (Selection)
---------------------------------------------------
    Adds the folder C:\Program Files (x86)\Software\Scrollup
       Adds the file Scrollup.exe"="3/5/2014 5:16 PM, 1181184 bytes, A
       Adds the file unins000.dat"="4/1/2016 9:46 AM, 48064 bytes, A
       Adds the file unins000.exe"="4/1/2016 9:45 AM, 719766 bytes, A
    Adds the folder C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Scrollup\Software
       Adds the file Scrollup.lnk"="4/1/2016 9:46 AM, 1007 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{fd2cb11f-5d65-410e-9569-ce67e83fbe72}_is1]
       "DisplayName"="REG_SZ", "Scrollup 1.0.0"
       "DisplayVersion"="REG_SZ", "1.0.0"
       "EstimatedSize"="REG_DWORD", 1854
       "HelpLink"="REG_SZ", "http://www.linkular.com"
       "Inno Setup: App Path"="REG_SZ", "C:\Program Files (x86)\Software\Scrollup"
       "Inno Setup: Icon Group"="REG_SZ", "Scrollup"
       "Inno Setup: Language"="REG_SZ", "en_1"
       "Inno Setup: Setup Version"="REG_SZ", "5.5.5 (a)"
       "Inno Setup: User"="REG_SZ", "{username}"
       "InstallDate"="REG_SZ", "20160401"
       "InstallLocation"="REG_SZ", "C:\Program Files (x86)\Software\Scrollup\"
       "MajorVersion"="REG_DWORD", 1
       "MinorVersion"="REG_DWORD", 0
       "NoModify"="REG_DWORD", 1
       "NoRepair"="REG_DWORD", 1
       "Publisher"="REG_SZ", "Scrollup"
       "QuietUninstallString"="REG_SZ", ""C:\Program Files (x86)\Software\Scrollup\unins000.exe" /SILENT"
       "UninstallString"="REG_SZ", ""C:\Program Files (x86)\Software\Scrollup\unins000.exe""
       "URLInfoAbout"="REG_SZ", "http://www.linkular.com"
       "URLUpdateInfo"="REG_SZ", "http://www.linkular.com"

Malwarebytes Anti-Malware log:

Malwarebytes Anti-Malware
www.malwarebytes.org

Scan Date: 4/1/2016
Scan Time: 10:06 AM
Logfile: mbamScrollUp.txt
Administrator: Yes

Version: 2.2.1.1043
Malware Database: v2016.04.01.01
Rootkit Database: v2016.03.30.01
License: Premium
Malware Protection: Disabled
Malicious Website Protection: Enabled
Self-protection: Enabled

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

Scan Type: Threat Scan
Result: Completed
Objects Scanned: 364885
Time Elapsed: 9 min, 5 sec

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

Processes: 1
PUP.Optional.ScrollUp, C:\Program Files (x86)\Software\Scrollup\Scrollup.exe, 184, Delete-on-Reboot, [1095d0d94a4fc2747c066ee0976d758b]

Modules: 0
(No malicious items detected)

Registry Keys: 1
PUP.Optional.ScrollUp, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{fd2cb11f-5d65-410e-9569-ce67e83fbe72}_is1, Quarantined, [1095d0d94a4fc2747c066ee0976d758b], 

Registry Values: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Folders: 3
PUP.Optional.ScrollUp, C:\Program Files (x86)\Software\Scrollup, Delete-on-Reboot, [1095d0d94a4fc2747c066ee0976d758b], 
PUP.Optional.ScrollUp, C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Scrollup\Software, Quarantined, [bce92c7df9a0191ddba8c48ad232cb35], 
PUP.Optional.ScrollUp, C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Scrollup, Quarantined, [bce92c7df9a0191ddba8c48ad232cb35], 

Files: 5
PUP.Optional.ScrollUp, C:\Users\{username}\Desktop\Scrollup_Setup_1.exe, Quarantined, [4362edbc4257f73f10323da506fb0cf4], 
PUP.Optional.ScrollUp, C:\Program Files (x86)\Software\Scrollup\unins000.dat, Quarantined, [1095d0d94a4fc2747c066ee0976d758b], 
PUP.Optional.ScrollUp, C:\Program Files (x86)\Software\Scrollup\Scrollup.exe, Delete-on-Reboot, [1095d0d94a4fc2747c066ee0976d758b], 
PUP.Optional.ScrollUp, C:\Program Files (x86)\Software\Scrollup\unins000.exe, Quarantined, [1095d0d94a4fc2747c066ee0976d758b], 
PUP.Optional.ScrollUp, C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Scrollup\Software\Scrollup.lnk, Quarantined, [bce92c7df9a0191ddba8c48ad232cb35], 

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.