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Removal instructions for Check119

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What is Check119?

The Malwarebytes research team has determined that Check119 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 Check119?

This is how the main screen of the rogue application looks:


You will find this icon in your taskbar:


And see these warnings:






How did Check119 get on my computer?

Rogue programs use different methods for spreading themselves. This particular one was downloaded from their site.

How do I remove Check119?

Our program Malwarebytes Anti-Malware can detect and remove this rogue application.

  • Please download Malwarebytes Anti-Malware to your desktop.
  • Double-click mbam-setup.exe and follow the prompts to install the program.
  • At the end, be sure a check-mark is placed next to the following:
    • Update Malwarebytes Anti-Malware
    • Launch Malwarebytes Anti-Malware

    [*]Then click Finish.

    [*]If an update is found, it will download and install the latest version.

    [*]Once the program has loaded, select Perform quick scan, then click Scan.

    [*]When the scan is complete, click OK, then Show Results to view the results.

    [*]Be sure that everything is checked, and click Remove Selected. Reboot your computer if prompted.

    [*]When completed, a log will open in Notepad. The rogue application should now be gone.

Is there anything else I need to do to get rid of Check119?

  • No, Malwarebytes Anti-Malware removes Check119 completely.

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 Check119 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:

C:\Program Files\check119\check119.exe

O4 - HKCU\..\Run: [check119] C:\Program Files\check119\check119_up.exe

Alterations made by the installer:

File System
Adds the folder C:\Documents and Settings\All Users\Start Menu\Programs\check119
Adds the file check119.lnk"="10:43 23/05/12 1560 bytes
Adds the folder C:\Program Files\check119
Adds the file unins000.exe"="10:42 23/05/12 687002 bytes
Adds the file unins000.dat"="10:43 23/05/12 8884 bytes
Adds the file FreeApp.exe"="10:24 06/04/12 48064 bytes
Adds the file check119_up.exe"="10:24 06/04/12 483264 bytes
Adds the file check119_up.dat"="18:20 02/04/12 25842 bytes
Adds the file check119.exe"="10:24 06/04/12 734656 bytes

"Publisher"="'check119 Inc.'"
"QuietUninstallString"="'"C:\Program Files\check119\unins000.exe" /SILENT'"
"UninstallString"="'"C:\Program Files\check119\unins000.exe"'"
"DisplayIcon"="'C:\Program Files\check119\check119.exe'"
"Inno Setup: User"="'{username}'"
"Inno Setup: Icon Group"="'check119'"
"InstallLocation"="'C:\Program Files\check119\'"
"Inno Setup: App Path"="'C:\Program Files\check119'"
"Inno Setup: Setup Version"="'5.1.9'"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Post Platform]
"User-agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; http://bsalsa.com) ( EmbeddedWB http://bsalsa.com/)"=""
"check119"="'C:\Program Files\check119\check119_up.exe'"

Malwarebytes Anti-Malware log:

Malwarebytes Anti-Malware

Database version: v2012.05.23.03

Windows XP Service Pack 3 x86 NTFS
Internet Explorer 8.0.6001.18702
{username} :: MBAM-D3E8C91ACC [administrator]

5/23/2012 10:47:08 AM
mbam-log-2012-05-23 (10-47-08).txt

Scan type: Quick scan
Scan options enabled: Memory | Startup | Registry | File System | Heuristics/Extra | Heuristics/Shuriken | PUP | PUM
Scan options disabled: P2P
Objects scanned: 173031
Time elapsed: 40 second(s)

Memory Processes Detected: 1
C:\Program Files\check119\check119.exe (Rogue.K.Check119) -> 324 -> Delete on reboot.

Memory Modules Detected: 0
(No malicious items detected)

Registry Keys Detected: 2
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\check119_is1 (Rogue.K.Check119) -> Quarantined and deleted successfully.
HKCU\Software\check119 (Rogue.K.Check119) -> Quarantined and deleted successfully.

Registry Values Detected: 1
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run|check119 (Rogue.K.Check119) -> Data: C:\Program Files\check119\check119_up.exe -> Quarantined and deleted successfully.

Registry Data Items Detected: 0
(No malicious items detected)

Folders Detected: 2
C:\Program Files\check119 (Rogue.K.Check119) -> Delete on reboot.
C:\Documents and Settings\All Users\Start Menu\Programs\check119 (Rogue.K.Check119) -> Quarantined and deleted successfully.

Files Detected: 7
C:\Program Files\check119\check119_up.dat (Rogue.K.Check119) -> Quarantined and deleted successfully.
C:\Program Files\check119\check119.exe (Rogue.K.Check119) -> Delete on reboot.
C:\Program Files\check119\check119_up.exe (Rogue.K.Check119) -> Quarantined and deleted successfully.
C:\Program Files\check119\FreeApp.exe (Rogue.K.Check119) -> Quarantined and deleted successfully.
C:\Program Files\check119\unins000.dat (Rogue.K.Check119) -> Quarantined and deleted successfully.
C:\Program Files\check119\unins000.exe (Rogue.K.Check119) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Start Menu\Programs\check119\check119.lnk (Rogue.K.Check119) -> Quarantined and deleted successfully.


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):

  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention

Save yourself the hassle and get protected.

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