Okay so Malwarebytes did what appears to be a succession of scans on it's own, which may be part of their premium trial or whatever. I'm just going to post all of those from the history since I began investigating on the 23rd.
Malwarebytes
www.malwarebytes.com
-Log Details-
Scan Date: 9/23/17
Scan Time: 12:39 AM
Log File: 31c922cc-a019-11e7-bf1a-d43d7eb62193.json
Administrator: Yes
-Software Information-
Version: 3.2.2.2029
Components Version: 1.0.188
Update Package Version: 1.0.2866
License: Trial
-System Information-
OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: MP8\MannerPanner
-Scan Summary-
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 371024
Threats Detected: 34
Threats Quarantined: 34
Time Elapsed: 8 min, 33 sec
-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Detect
PUM: Detect
-Scan Details-
Process: 1
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\BEHelper.exe, Quarantined, [13725], [236175],1.0.2866
Module: 1
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\BEHelper.exe, Quarantined, [13725], [236175],1.0.2866
Registry Key: 13
PUP.Optional.BrowserExtensions, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{3A787631-66A2-4634-B928-A37E73B58FB6}, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKLM\SOFTWARE\CLASSES\WOW6432NODE\CLSID\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKLM\SOFTWARE\CLASSES\CLSID\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKLM\SOFTWARE\WOW6432NODE\CLASSES\CLSID\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\SETTINGS\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKLM\SOFTWARE\CLASSES\WOW6432NODE\CLSID\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}\InprocServer32, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKLM\SOFTWARE\WOW6432NODE\CLASSES\CLSID\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}\InprocServer32, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKLM\SOFTWARE\CLASSES\CLSID\{34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5}\InprocServer32, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\APPDATALOW\SOFTWARE\BROWSER EXTENSIONS, Quarantined, [13725], [236179],1.0.2866
PUP.Optional.Spigot, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\SEARCHSCOPES\{BEEE778D-C358-4AE2-80FC-EB1C64FABAFF}, Quarantined, [638], [243431],1.0.2866
Registry Value: 3
PUP.Optional.BrowserExtensions, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|Browser Extensions, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\APPDATALOW\SOFTWARE\BROWSER EXTENSIONS|SS_VER, Quarantined, [13725], [236179],1.0.2866
PUP.Optional.Spigot, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\SEARCHSCOPES\{BEEE778D-C358-4AE2-80FC-EB1C64FABAFF}|URL, Quarantined, [638], [243431],1.0.2866
Registry Data: 1
PUP.Optional.Spigot, HKU\S-1-5-21-2771466343-972908901-1180683727-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN|START PAGE, Replaced, [638], [293199],1.0.2866
Data Stream: 0
(No malicious items detected)
Folder: 1
PUP.Optional.BrowserExtensions, C:\USERS\MANNERPANNER\APPDATA\ROAMING\BROWSEREXTENSIONS, Quarantined, [13725], [236175],1.0.2866
File: 14
PUP.Optional.BrowserExtensions, C:\USERS\MANNERPANNER\APPDATA\ROAMING\BROWSEREXTENSIONS\UNINSTALL.EXE, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\BEHelper.exe, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\Button.exe, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\Button64.exe, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\ButtonWrap.dll, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\ButtonWrap64.dll, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\Coupons.dll, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.BrowserExtensions, C:\Users\MannerPanner\AppData\Roaming\BrowserExtensions\Coupons64.dll, Quarantined, [13725], [236175],1.0.2866
PUP.Optional.Spigot, C:\USERS\MANNERPANNER\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\QM9NWSUA.DEFAULT\SEARCHPLUGINS\YAHOO_FF.XML, Quarantined, [638], [243427],1.0.2866
PUP.Optional.Spigot, C:\USERS\MANNERPANNER\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\QM9NWSUA.DEFAULT\PREFS.JS, Replaced, [638], [301667],1.0.2866
PUP.Optional.Spigot, C:\USERS\MANNERPANNER\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\QM9NWSUA.DEFAULT\PREFS.JS, Replaced, [638], [303258],1.0.2866
PUP.Optional.Spigot, C:\PROGRAMDATA\FLV.COM FLV DOWNLOADER\YTD_INSTALLER.EXE, Quarantined, [638], [300859],1.0.2866
Generic.Malware/Suspicious, C:\USERS\MANNERPANNER\APPDATA\LOCAL\TEMP\{6D29ED71-8E6D-4703-9061-782D8C916361}\BROWSEREXTENSIONSSETUP.EXE, Quarantined, [0], [392686],1.0.2866
Adware.Downloader, C:\USERS\MANNERPANNER\APPDATA\LOCAL\TEMP\BDDE-B5A0-E1CA-0535.EXE, Quarantined, [535], [331683],1.0.2866
Physical Sector: 0
(No malicious items detected)
(end)
Next report.
Malwarebytes
www.malwarebytes.com
-Log Details-
Scan Date: 9/24/17
Scan Time: 2:01 AM
Log File: ce8ef653-a0ed-11e7-9100-d43d7eb62193.json
Administrator: Yes
-Software Information-
Version: 3.2.2.2029
Components Version: 1.0.188
Update Package Version: 1.0.2872
License: Trial
-System Information-
OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: System
-Scan Summary-
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 370557
Threats Detected: 2
Threats Quarantined: 0
(No malicious items detected)
Time Elapsed: 12 min, 49 sec
-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Detect
PUM: Detect
-Scan Details-
Process: 0
(No malicious items detected)
Module: 0
(No malicious items detected)
Registry Key: 0
(No malicious items detected)
Registry Value: 0
(No malicious items detected)
Registry Data: 0
(No malicious items detected)
Data Stream: 0
(No malicious items detected)
Folder: 0
(No malicious items detected)
File: 2
PUP.Optional.Spigot, C:\USERS\MANNERPANNER\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\QM9NWSUA.DEFAULT\PREFS.JS, No Action By User, [638], [301667],1.0.2872
PUP.Optional.Spigot, C:\USERS\MANNERPANNER\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\QM9NWSUA.DEFAULT\PREFS.JS, No Action By User, [638], [303258],1.0.2872
Physical Sector: 0
(No malicious items detected)
(end)
The 25th September report.
Malwarebytes
www.malwarebytes.com
-Log Details-
Scan Date: 9/25/17
Scan Time: 2:01 AM
Log File: f8e95f18-a1b6-11e7-88ed-d43d7eb62193.json
Administrator: Yes
-Software Information-
Version: 3.2.2.2029
Components Version: 1.0.188
Update Package Version: 1.0.2878
License: Trial
-System Information-
OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: System
-Scan Summary-
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 368069
Threats Detected: 2
Threats Quarantined: 0
(No malicious items detected)
Time Elapsed: 10 min, 22 sec
-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Detect
PUM: Detect
-Scan Details-
Process: 0
(No malicious items detected)
Module: 0
(No malicious items detected)
Registry Key: 0
(No malicious items detected)
Registry Value: 0
(No malicious items detected)
Registry Data: 0
(No malicious items detected)
Data Stream: 0
(No malicious items detected)
Folder: 0
(No malicious items detected)
File: 2
PUP.Optional.Spigot, C:\USERS\MANNERPANNER\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\QM9NWSUA.DEFAULT\PREFS.JS, No Action By User, [638], [301667],1.0.2878
PUP.Optional.Spigot, C:\USERS\MANNERPANNER\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\QM9NWSUA.DEFAULT\PREFS.JS, No Action By User, [638], [303258],1.0.2878
Physical Sector: 0
(No malicious items detected)
(end)