Hi,
1.Ran avast! full scan-->no threats found.
2.Ran F-secure online scan-->1 threat removed
3.Ran eset online scan-->3 threats found, did not finish because the UI turned into black lines where the instructions were.
4.Ran MalwareBytesAntiMalware full scan (not the recommended one)-->no threats found.
5.Ran the latest AdwareCleaner-->15 threats found and cleaned, see the copy of log file.
# AdwCleaner v6.010 - Logfile created 10/09/2016 at 08:58:03 # Updated on 12/08/2016 by ToolsLib # Database : 2016-09-10.1 [Server] # Operating System : Windows 7 Professional Service Pack 1 (X64) # Username : My Computer - MYCOMPUTER-PC # Running from : C:\Users\My Computer\Downloads\AdwCleaner.exe # Mode: Clean # Support : https://toolslib.net/forum
***** [ Services ] *****
***** [ Folders ] *****
[-] Folder deleted: C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Application Updater [-] Folder deleted: C:\extensions
***** [ Files ] *****
***** [ DLL ] *****
***** [ WMI ] *****
***** [ Shortcuts ] *****
***** [ Scheduled Tasks ] *****
***** [ Registry ] *****
[-] Key deleted: [x64] HKLM\SOFTWARE\Classes\CLSID\{10921475-03CE-4E04-90CE-E2E7EF20C814} [-] Key deleted: [x64] HKLM\SOFTWARE\Classes\Interface\{FA7B2795-C0C8-4A58-8672-3F8D80CC0270} [-] Key deleted: [x64] HKLM\SOFTWARE\Classes\Interface\{47A1DF02-BCE4-40C3-AE47-E3EA09A65E4A} [-] Key deleted: [x64] HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10921475-03CE-4E04-90CE-E2E7EF20C814} [-] Key deleted: HKLM\SOFTWARE\Classes\Interface\{FA7B2795-C0C8-4A58-8672-3F8D80CC0270} [-] Key deleted: HKLM\SOFTWARE\Classes\Interface\{47A1DF02-BCE4-40C3-AE47-E3EA09A65E4A} [-] Key deleted: HKLM\SOFTWARE\Classes\TypeLib\{1112F282-7099-4624-A439-DB29D6551552} [-] Key deleted: HKCU\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{10921475-03CE-4E04-90CE-E2E7EF20C814} [-] Key deleted: HKCU\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{10921475-03CE-4E04-90CE-E2E7EF20C814} [-] Key deleted: HKU\S-1-5-21-1731626085-4270488790-50613601-1000\Software\Microsoft\Internet Explorer\SearchScopes\{2f23ab71-4ac6-41f2-a955-ea576e553146} [-] Data restored: HKU\S-1-5-21-1731626085-4270488790-50613601-1000\Software\Microsoft\Internet Explorer\SearchScopes [DefaultScope] [#] Key deleted on reboot: HKCU\Software\Microsoft\Internet Explorer\SearchScopes\{2f23ab71-4ac6-41f2-a955-ea576e553146} [-] Data restored: HKCU\Software\Microsoft\Internet Explorer\SearchScopes [DefaultScope]
***** [ Web browsers ] *****
*************************
:: "Tracing" keys deleted :: Winsock settings cleared
*************************
C:\AdwCleaner\AdwCleaner[C1].txt - [2568 Bytes] - [29/11/2015 16:56:01] C:\AdwCleaner\AdwCleaner[C2].txt - [1231 Bytes] - [29/04/2016 12:17:11] C:\AdwCleaner\AdwCleaner[C3].txt - [1384 Bytes] - [04/05/2016 10:36:26] C:\AdwCleaner\AdwCleaner[C4].txt - [2528 Bytes] - [10/09/2016 08:58:03] C:\AdwCleaner\AdwCleaner[S1].txt - [2350 Bytes] - [29/11/2015 16:35:43] C:\AdwCleaner\AdwCleaner[S2].txt - [2075 Bytes] - [29/11/2015 16:53:38] C:\AdwCleaner\AdwCleaner[S3].txt - [1216 Bytes] - [04/05/2016 10:31:15] C:\AdwCleaner\AdwCleaner[S4].txt - [3007 Bytes] - [10/09/2016 08:52:34]
########## EOF - C:\AdwCleaner\AdwCleaner[C4].txt - [2893 Bytes] ##########I suspect further infection(s) remained because certain appliacations do not "behave" as usual.
Thanks for advice