I believe this may have been bundled with Citavi
CAUTION : This fix is only valid for this specific machine, using it on another may break your computer
Open notepad and copy/paste the text in the quotebox below into it:
CreateRestorePoint:
Startup: C:\Users\Stoffel\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dropbox.lnk [2015-03-24]
ShortcutTarget: Dropbox.lnk -> C:\Users\Admin\AppData\Roaming\Dropbox\bin\Dropbox.exe (No File)
ShellIconOverlayIdentifiers: ["DropboxExt1"] -> {FB314ED9-A251-47B7-93E1-CDD82E34AF8B} => C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
ShellIconOverlayIdentifiers: ["DropboxExt2"] -> {FB314EDA-A251-47B7-93E1-CDD82E34AF8B} => C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
ShellIconOverlayIdentifiers: ["DropboxExt3"] -> {FB314EDD-A251-47B7-93E1-CDD82E34AF8B} => C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
ShellIconOverlayIdentifiers: ["DropboxExt4"] -> {FB314EDE-A251-47B7-93E1-CDD82E34AF8B} => C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
ShellIconOverlayIdentifiers: ["DropboxExt5"] -> {FB314EDB-A251-47B7-93E1-CDD82E34AF8B} => C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
ShellIconOverlayIdentifiers: ["DropboxExt6"] -> {FB314EDF-A251-47B7-93E1-CDD82E34AF8B} => C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
ShellIconOverlayIdentifiers: ["DropboxExt7"] -> {FB314EDC-A251-47B7-93E1-CDD82E34AF8B} => C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
ShellIconOverlayIdentifiers: ["DropboxExt8"] -> {FB314EE0-A251-47B7-93E1-CDD82E34AF8B} => C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
HKLM\...\RunOnce: [*Restore] => C:\Windows\System32\rstrui.exe [273920 2014-10-29] (Microsoft Corporation)
FF Extension: AdBeaver - C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\phqxddym.default\Extensions\adbeaver@adbeaver.org.xpi [2015-06-02]
2015-07-21 17:27 - 2015-07-21 17:27 - 00000000 ____D C:\Users\Stoffel\AppData\Local\Avg
2015-07-21 17:27 - 2015-07-21 17:27 - 00000000 ____D C:\Users\Admin\AppData\Roaming\AVG
2015-07-21 17:27 - 2015-07-21 17:27 - 00000000 ____D C:\Users\Admin\AppData\Local\Avg
2015-07-21 17:26 - 2015-07-21 17:27 - 00000000 ____D C:\ProgramData\AVG
2015-07-21 16:33 - 2015-07-21 16:33 - 00000000 ____D C:\Users\Stoffel\AppData\Local\Chromium
2015-07-21 16:35 - 2015-03-24 12:33 - 00000000 __SHD C:\Users\Admin\AppData\Local\EmieUserList
2015-07-21 16:35 - 2015-03-24 12:33 - 00000000 __SHD C:\Users\Admin\AppData\Local\EmieSiteList
2015-07-20 15:33 - 2015-03-24 16:01 - 00000000 __SHD C:\Users\Stoffel\AppData\Local\EmieUserList
2015-07-20 15:33 - 2015-03-24 16:01 - 00000000 __SHD C:\Users\Stoffel\AppData\Local\EmieSiteList
2015-07-20 15:33 - 2015-03-24 16:01 - 00000000 __SHD C:\Users\Stoffel\AppData\Local\EmieBrowserModeList
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{ECD97DE5-3C8F-4ACB-AEEE-CCAB78F7711C}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{FB314ED9-A251-47B7-93E1-CDD82E34AF8B}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{FB314EDA-A251-47B7-93E1-CDD82E34AF8B}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{FB314EDB-A251-47B7-93E1-CDD82E34AF8B}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{FB314EDC-A251-47B7-93E1-CDD82E34AF8B}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{FB314EDD-A251-47B7-93E1-CDD82E34AF8B}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{FB314EDE-A251-47B7-93E1-CDD82E34AF8B}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{FB314EDF-A251-47B7-93E1-CDD82E34AF8B}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
CustomCLSID: HKU\S-1-5-21-3220375707-795553834-2348762128-1001_Classes\CLSID\{FB314EE0-A251-47B7-93E1-CDD82E34AF8B}\InprocServer32 -> C:\Users\Stoffel\AppData\Roaming\Dropbox\bin\DropboxExt64.25.dll No File
RemoveProxy:
EmptyTemp:
CMD: bitsadmin /reset /allusers
Save this as fixlist.txt, in the same location as FRST.exe
https://dl.dropboxusercontent.com/u/73555776/FRSTfix.JPG
Run FRST and press Fix
On completion a log will be generated please post that
THEN
Please download AdwCleaner by Xplode onto your desktop.
[*]Close all open programs and internet browsers.
[*]Double click on AdwCleaner.exe to run the tool.
[*]Click on Scan.
[*]After the scan is complete click on “Clean”
[*]Confirm each time with Ok.
[*]Your computer will be rebooted automatically. A text file will open after the restart.
[*]Please post the content of that logfile with your next answer.
[*]You can find the logfile at C:\AdwCleaner[S0].txt as well.