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[Metallica]

Content is republished with permission from Malwarebytes.

What is Antivirus 2010?

The Malwarebytes research team has determined that Antivirus 2010 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 Antivirus 2010?

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



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



And see this warning:



How did Antivirus 2010 get on my computer?

Rogue programs use different methods for spreading themselves. This particular one was installed by a trojan.

How do I remove Antivirus 2010?

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 Antivirus 2010?

• No, Malwarebytes' Anti-Malware removes Antivirus 2010 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 Antivirus 2010 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:

O23 - Service: Antivirus 2010 (userinit) - Unknown owner - \\.\globalrootC:\WINDOWS\system32\us?rinit.exe (file missing)

Note: the file is reported missing because of the use of a sign that is not in the usual characterset.



Alterations made by the installer:

  File System
  ===============
    In the existing folder C:\Documents and Settings\All Users\Application Data
      Adds the file .wtav"="11:11 29/07/10 653 bytes
    In the existing folder C:\Documents and Settings\{username}\Local Settings\Temp
      Adds the file {E9C1E0AC-C9B1-4c85-94DE-9C1518918D02}.tlb"="11:02 29/07/10 2936 bytes
    In the existing folder C:\WINDOWS\system32
      Adds the file msnkudnn.dll"="02:11 14/04/08 565344 bytes
      Adds the file us?rinit.exe"="02:12 14/04/08 112128 bytes
    In the existing folder C:\WINDOWS\Temp
      Adds the file {E9C1E0AC-C9B1-4c85-94DE-9C1518918D01}.tlb"="11:02 29/07/10 4780 bytes

  Registry
  ===============
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{ACD74E82-8691-8346-5D55-6C543B882E4D}]
      "DisplayIcon"="'\\.\globalroot\systemroot\system32\us?rinit.exe'"
      "UninstallString"="'\\.\globalroot\systemroot\system32\us?rinit.exe /uninstall'"
      "URLInfoAbout"="'http://www.webtopbilling.com/'"
      "Publisher"="'WebTop Software Limited'"
      "DisplayName"="'Antivirus 2010'"
      "t"="1"
      "u"="5"
      "NoRepair"="1"
      "NoModify"="1"
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_FASTFAT\0000\Control]
      "ActiveService"="'Fastfat'"
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\userinit]
      "ImagePath"="'\\.\globalroot\systemroot\system32\us?rinit.exe'"
      "Description"="'AV software'"
      "DisplayName"="'Antivirus 2010'"
      "ObjectName"="'LocalSystem'"
      "ErrorControl"="0"
      "Type"="16"
      "Start"="2"

Malwarebytes' Anti-Malware log:

Malwarebytes' Anti-Malware 1.46
www.malwarebytes.org

Database version: 4366

Windows 5.1.2600 Service Pack 3
Internet Explorer 6.0.2900.5512

7/29/2010 3:31:48 PM
mbam-log-2010-07-29 (15-31-48).txt

Scan type: Quick scan
Objects scanned: 116384
Time elapsed: 3 minute(s), 42 second(s)

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

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Userinit (Trojan.Agent) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\us?rinit.exe (Rogue.Antivirus2010) -> 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.