Content is republished with permission from Malwarebytes.
What is Windows Internet Watchdog?
The Malwarebytes research team has determined that Windows Internet Watchdog is a fake anti-malware application. These so-called "rogues" use intentional false positives to convince users that their systems have been compromised. Then they try to sell you their software, claiming it will remove these threats. In extreme cases the false threats are actually the very trojans that advertise or even directly install the rogue. You are strongly advised to follow our removal instructions below.
How do I know if I am infected with Windows Internet Watchdog?
This is how the main screen of the rogue application looks:
You may see this icon in your taskbar:
And see these warnings:
How did Windows Internet Watchdog get on my computer?
Rogue programs use different methods for spreading themselves. This particular one was installed by a trojan.
How do I remove Windows Internet Watchdog?
Our program Malwarebytes Anti-Malware can detect and remove this rogue application. But since the rogue blocks all other programs you will have to boot into "Safe mode with networking".
Once you are in safe mode, you can continue with the instructions below.
Is there anything else I need to do to get rid of Windows Internet Watchdog?
How would the full version of Malwarebytes Anti-Malware help protect me?
We hope our application has helped you eradicate this malicious software. If your current security solution let this infection through, you might please consider purchasing the FULL version of Malwarebytes Anti-Malware for additional protection.
As you can see below the full version of Malwarebytes Anti-Malware would have protected you against the Windows Internet Watchdog rogue. It would have warned you before the rogue could install itself, giving you a chance to stop it before it became too late.
Technical details for experts
Signs in a HijackThis log:
O4 - HKLM\..\Run: [ctfmon] C:\Documents and Settings\{username}\Application Data\svc-yjdk.exe
O4 - HKCU\..\Run: [ctfmon] C:\Documents and Settings\{username}\Application Data\svc-yjdk.exe
Note: The filename is semi-random and looks like this: svc-****.exe where each asterisk represents a random letter.
Alterations made by the installer:
File System
===============
In the existing folder C:\Documents and Settings\{username}\Application Data
Adds the file data.sec"="19:18 01/04/14 2792 bytes
Adds the file svc-yjdk.exe"="12:04 01/04/14 1184768 bytes
Registry
===============
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"ctfmon"="'C:\Documents and Settings\{username}\Application Data\svc-yjdk.exe'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\k9filter.exe]
"Debugger"="'c:\windows\1.EXE'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mpcmdrun]
"Debugger"="'c:\windows\1.EXE'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mpsvc.dll]
"Debugger"="'c:\windows\1.EXE'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mpuxsrv.exe]
"Debugger"="'c:\windows\1.EXE'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui]
"Debugger"="'c:\windows\1.EXE'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCUI.exe]
"DEBUGGER"="'"win.dll" /z'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSconfig.exe]
"Debugger"="'c:\windows\1.EXE'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSMPENG.exe]
"DEBUGGER"="'"win.dll" /z'"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSseces]
"Debugger"="'c:\windows\1.EXE'"
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\bckd]
"ImagePath"="'33.sys'"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
"ctfmon"="'C:\Documents and Settings\{username}\Application Data\svc-yjdk.exe'"
Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware
www.malwarebytes.org
Scan Date: 4/1/2014
Scan Time: 7:28:12 PM
Logfile: mbamWIW.txt
Administrator: Yes
Version: 2.00.0.1000
Malware Database: v2014.04.01.06
Rootkit Database: v2014.03.27.01
License: Trial
Malware Protection: Enabled
Malicious Website Protection: Enabled
Chameleon: Disabled
OS: Windows XP Service Pack 3
CPU: x86
File System: NTFS
User: {username}
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 261049
Time Elapsed: 3 min, 37 sec
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Shuriken: Enabled
PUP: Enabled
PUM: Enabled
Processes: 0
(No malicious items detected)
Modules: 0
(No malicious items detected)
Registry Keys: 10
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\k9filter.exe, Quarantined, [d4562203e497d1657be6e5b117ec04fc],
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\mpcmdrun, Quarantined, [76b476afec8f9f97e25f93d07b87b34d],
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\mpsvc.dll, Quarantined, [42e8fc2948338da95ae84e159d65bd43],
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\mpuxsrv.exe, Quarantined, [fb2f6eb72f4cef47cc272348cd3505fb],
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\msascui, Quarantined, [e8429293b7c4ab8b6ad9f56e7290c43c],
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\MSASCUI.exe, Quarantined, [d6548d98205b082ee98a2dbd2fd335cb],
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\MSconfig.exe, Quarantined, [ea40d64fec8fd2648eece70351b152ae],
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\MSMPENG.exe, Quarantined, [c46638edbac1d264e99d48a27f83df21],
Security.Hijack, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\MSseces, Quarantined, [d4561114403b8ea8162eb5ae43bf9f61],
Trojan.Agent, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\BCKD, Quarantined, [8d9d56cfb9c2b97dd26073f03bc7ac54],
Registry Values: 1
Trojan.Agent, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\BCKD|ImagePath, 33.sys, Quarantined, [8d9d56cfb9c2b97dd26073f03bc7ac54]
Registry Data: 0
(No malicious items detected)
Folders: 0
(No malicious items detected)
Files: 3
Rogue.FakeAV, C:\Documents and Settings\{username}\Application Data\svc-yjdk.exe, Quarantined, [72b8c75ed4a79b9babdbb3b2cd346898],
Rogue.FakeAV, C:\Documents and Settings\{username}\Desktop\svc-qbqu.exe, Quarantined, [0c1e73b2b1ca1f177610e67f27da3ac6],
Malware.Trace.E, C:\Documents and Settings\{username}\Application Data\data.sec, Quarantined, [40ea7ea7ed8e2f07cf8bcacc52b118e8],
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):
Save yourself the hassle and get protected.
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