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Removal instructions for VirusScan

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Metallica

Metallica

    Spyware Veteran

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Content is republished with permission from Malwarebytes.

What is VirusScan?

The Malwarebytes research team has determined that VirusScan 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 VirusScan?

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

Posted Image

You will find these icons on your desktop and in your taskbar:

Posted Image

And see these warnings:

Posted Image

Posted Image

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How did VirusScan get on my computer?

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

How do I remove VirusScan?

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 VirusScan?
  • The shortcut called ���̷��� ��ĵ on the desktop can be deleted if it belonged to the rogue. If you are unsure, compare it with the icon posted above.

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 VirusScan rogue. It would have warned you before the rogue could install itself, giving you a chance to stop it before it became too late.


Posted Image

Technical details for experts

Signs in a HijackThis log:
C:\Program Files\VirusScan\virusscan.exe

O4 - HKCU\..\Run: [VirusScan] C:\Program Files\VirusScan\virusscanp.exe

Alterations made by the installer:

  File System
  ===============
    In the existing folder C:\Documents and Settings\All Users\Desktop
      Adds the file ���̷��� ��ĵ.lnk"="09:45 15/10/11 707 bytes
    Adds the folder C:\Documents and Settings\All Users\Start Menu\Programs\���̷�����ĵ
      Adds the file ���̷�����ĵ ����.lnk"="09:45 15/10/11 713 bytes
      Adds the file ���̷�����ĵ ����.lnk"="09:45 15/10/11 719 bytes
    Adds the folder C:\Program Files\VirusScan
      Adds the file vs13.vsd"="20:07 02/11/10 203648 bytes
      Adds the file vs12.vsd"="20:07 02/11/10 204288 bytes
      Adds the file vs11.vsd"="20:07 02/11/10 204512 bytes
      Adds the file vs10.vsd"="15:22 26/03/11 201728 bytes
      Adds the file vs09.vsd"="15:22 26/03/11 204064 bytes
      Adds the file vs08.vsd"="15:03 30/12/10 203616 bytes
      Adds the file vs07.vsd"="20:07 02/11/10 204160 bytes
      Adds the file vs06.vsd"="20:07 02/11/10 204128 bytes
      Adds the file vs05.vsd"="15:22 26/03/11 204320 bytes
      Adds the file vs04.vsd"="17:13 10/01/11 204704 bytes
      Adds the file vs03.vsd"="14:07 13/05/11 164416 bytes
      Adds the file vs02.vsd"="15:24 13/05/11 202688 bytes
      Adds the file vs01.vsd"="15:24 13/05/11 201696 bytes
      Adds the file vs.dat"="22:44 13/05/11 639 bytes
      Adds the file virusscanu.exe"="14:20 16/11/10 186032 bytes
      Adds the file virusscans.exe"="16:12 10/01/11 335520 bytes
      Adds the file virusscanr.exe"="18:04 08/11/10 109216 bytes
      Adds the file virusscanp.exe"="14:20 16/11/10 324272 bytes
      Adds the file virusscanl.exe"="01:35 10/11/10 36016 bytes
      Adds the file virusscanc.dll"="18:03 08/11/10 15008 bytes
      Adds the file virusscan.exe"="16:31 15/03/11 848032 bytes
      Adds the file hlog.dat"="09:49 15/10/11 1270 bytes
    In the existing folder C:\WINDOWS\system32
      Adds the file virusscan.not"="01:11 10/11/10 1 bytes

  Registry
  ===============
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\���̷�����ĵ_is1]
      "DisplayVersion"="'ver 1.0'"
      "NoRepair"="1"
      "NoModify"="1"
      "URLUpdateInfo"="'http://www.virus-scan.co.kr'"
      "HelpLink"="'http://www.virus-scan.co.kr'"
      "URLInfoAbout"="'http://www.virus-scan.co.kr'"
      "Publisher"="'Copyright (C)2010 VirusScan All Right Reserved.'"
      "UninstallString"="'C:\Program Files\VirusScan\virusscanu.exe'"
      "DisplayName"="'PC���ȼ��� ���̷�����ĵ'"
      "Inno Setup: User"="'{username}'"
      "Inno Setup: Icon Group"="'���̷�����ĵ'"
      "InstallLocation"="'C:\Program Files\VirusScan\'"
      "Inno Setup: App Path"="'C:\Program Files\VirusScan'"
      "Inno Setup: Setup Version"="'5.0.8'"
    [HKEY_CURRENT_USER\Software\VirusScan]
      "ldate"="'2011.10.15'"
      "date"="'10/15/2011'"
      "eng"="'2011.05.13.01'"
      "RST"="1"
      "ASH"="1"
      "com"="'vscan'"
    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
      "VirusScan"="'C:\Program Files\VirusScan\virusscanp.exe'"



Malwarebytes' Anti-Malware log:
Malwarebytes' Anti-Malware 1.51.2.1300
www.malwarebytes.org

Database version: 7950

Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

10/15/2011 9:52:11 AM
mbam-log-2011-10-15 (09-52-11).txt

Scan type: Quick scan
Objects scanned: 146317
Time elapsed: 44 second(s)

Memory Processes Infected: 1
Memory Modules Infected: 0
Registry Keys Infected: 1
Registry Values Infected: 1
Registry Data Items Infected: 0
Folders Infected: 1
Files Infected: 23

Memory Processes Infected:
c:\program files\virusscan\virusscan.exe (Rogue.K.VirusScan) -> 1324 -> Unloaded process successfully.

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\���̷�����ĵ_is1 (Rogue.K.VirusScan) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VirusScan (Rogue.K.VirusScan) -> Value: VirusScan -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
c:\program files\virusscan (Rogue.K.VirusScan) -> Quarantined and deleted successfully.

Files Infected:
c:\program files\virusscan\virusscan.exe (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\virusscanp.exe (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\documents and settings\{username}\Desktop\virusscansetup.exe (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs01.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\hlog.dat (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\virusscanc.dll (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\virusscanl.exe (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\virusscanr.exe (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\virusscans.exe (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\virusscanu.exe (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs.dat (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs02.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs03.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs04.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs05.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs06.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs07.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs08.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs09.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs10.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs11.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs12.vsd (Rogue.K.VirusScan) -> Quarantined and deleted successfully.
c:\program files\virusscan\vs13.vsd (Rogue.K.VirusScan) -> 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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