Hi dbrisen
Thanks for the words of encouragement!
Okay - I have been through the actions - thank you. I hope I have got things right: the Malwarebytes' Anti-Malware site was a little confusing for an old-ish guy, but I went for the free version, not the Premium (trial) or Premium (paid/bought) versions - hope that was correct!
The AdwCleaner SO report (also attached at end) was:
# AdwCleaner v4.202 - Logfile created 29/04/2015 at 08:51:47
# Updated 23/04/2015 by Xplode
# Database : 2015-04-27.1 [Server]
# Operating system : Windows 8.1 (x64)
# Username : Chris Moore - CHRIS_WINDOWS_8
# Running from : C:\Users\Chris Moore\Desktop\adwcleaner_4.202.exe
# Option : Cleaning
***** [ Services ] *****
***** [ Files / Folders ] *****
Folder Deleted : C:\Users\Chris Moore\AppData\Local\Google\Chrome\User Data\Default\Extensions\mkfokfffehpeedafpekjeddnmnjhmcmk
***** [ Scheduled tasks ] *****
***** [ Shortcuts ] *****
***** [ Registry ] *****
Key Deleted : HKLM\SOFTWARE\Google\Chrome\Extensions\mkfokfffehpeedafpekjeddnmnjhmcmk
Key Deleted : [x64] HKLM\SOFTWARE\Google\Chrome\Extensions\mkfokfffehpeedafpekjeddnmnjhmcmk
Key Deleted : HKLM\SOFTWARE\Classes\AppID\{4D076AB4-7562-427A-B5D2-BD96E19DEE56}
Key Deleted : HKLM\SOFTWARE\Classes\CLSID\{66EEF543-A9AC-4A9D-AA3C-1ED148AC8EEE}
Key Deleted : HKLM\SOFTWARE\Classes\CLSID\{6E993643-8FBC-44FE-BC85-D318495C4D96}
Key Deleted : HKLM\SOFTWARE\Classes\CLSID\{826D7151-8D99-434B-8540-082B8C2AE556}
Key Deleted : HKLM\SOFTWARE\Classes\Interface\{66EEF543-A9AC-4A9D-AA3C-1ED148AC8EEE}
Key Deleted : HKLM\SOFTWARE\Classes\Interface\{66EEF543-A9AC-4A9D-AA3C-1ED148AC8FFE}
Key Deleted : HKLM\SOFTWARE\Classes\TypeLib\{11549FE4-7C5A-4C17-9FC3-56FC5162A994}
Key Deleted : [x64] HKLM\SOFTWARE\Classes\Interface\{66EEF543-A9AC-4A9D-AA3C-1ED148AC8EEE}
Key Deleted : [x64] HKLM\SOFTWARE\Classes\Interface\{66EEF543-A9AC-4A9D-AA3C-1ED148AC8FFE}
Key Deleted : HKCU\Software\Myfree Codec
Key Deleted : HKLM\SOFTWARE\Myfree Codec
Key Deleted : [x64] HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components\3152E1F19977892449DC968802CE8964
Key Deleted : [x64] HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components\649A52D257CA5DB4EAAE8BA9EB23E467
***** [ Web browsers ] *****
-\\ Internet Explorer v11.0.9600.17416
-\\ Google Chrome v42.0.2311.90
[C:\Users\Chris Moore\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences] - Deleted [Extension] : mkfokfffehpeedafpekjeddnmnjhmcmk
*************************
AdwCleaner[R0].txt - [2346 bytes] - [28/04/2015 08:47:30]
AdwCleaner[R1].txt - [2405 bytes] - [29/04/2015 08:50:47]
AdwCleaner[S0].txt - [2298 bytes] - [29/04/2015 08:51:47]
########## EOF - C:\AdwCleaner\AdwCleaner[S0].txt - [2357 bytes] ##########
Then the Malwarebytes file (also attached at end) was
Malwarebytes Anti-Malware
www.malwarebytes.orgScan Date: 29/04/2015
Scan Time: 09:21:38
Logfile: Malwarebytes Report.txt
Administrator: Yes
Version: 2.01.6.1022
Malware Database: v2015.04.29.01
Rootkit Database: v2015.04.21.01
License: Free
Malware Protection: Disabled
Malicious Website Protection: Disabled
Self-protection: Disabled
OS: Windows 8.1
CPU: x64
File System: NTFS
User: Chris Moore
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 359989
Time Elapsed: 23 min, 57 sec
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled
Processes: 0
(No malicious items detected)
Modules: 0
(No malicious items detected)
Registry Keys: 0
(No malicious items detected)
Registry Values: 0
(No malicious items detected)
Registry Data: 0
(No malicious items detected)
Folders: 0
(No malicious items detected)
Files: 0
(No malicious items detected)
Physical Sectors: 0
(No malicious items detected)
(end)
AdwLog29April.docx (12.3 KB)
Malwarebytes Report.txt (1.03 KB)