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