Removal instructions for Internet Antivirus Pro

Content is republished with permission from Malwarebytes.

What is Internet Antivirus Pro?

The Malwarebytes research team has determined that Internet Antivirus Pro 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 Internet Antivirus Pro?

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

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

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And see these warnings:

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How did Internet Antivirus Pro get on my computer?

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

How do I remove Internet Antivirus Pro?

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 Internet Antivirus Pro?

The rogue intercepts calls to your task manager. You can download Process Explorer. Run it and click "Options" > "Replace Task Manager". Enjoy the added value that Process Explorer has over your standard Task Manager.

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

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Technical details for experts

Signs in a HijackThis log:

C:\Documents and Settings\{username}\Application Data\Microsoft\Windows\winlogon.exe
c:\program files\Internet Antivirus Pro\IAPro.exe
C:\Documents and Settings\{username}\My Documents\downloads\tun235\forinandout.exe
C:\Documents and Settings\{username}\My Documents\downloads\tun235\ia091024r.db.exe
C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Windows\services.exe

O4 - HKCU\..\Run: [Microsoft Windows logon process] C:\Documents and Settings\{username}\Application Data\Microsoft\Windows\winlogon.exe
O4 - HKCU\..\Run: [Internet Antivirus Pro] "c:\program files\Internet Antivirus Pro\IAPro.exe" /s 
O4 - HKCU\..\Policies\Explorer\Run: [ia091024r.db] "C:\Documents and Settings\{username}\My Documents\downloads\tun235\ia091024r.db.exe"
O4 - HKCU\..\Policies\Explorer\Run: [forinandout] "C:\Documents and Settings\{username}\My Documents\downloads\tun235\forinandout.exe"
O23 - Service: Guard Service (HTGrdEngine) - Unknown owner - C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Windows\services.exe

Note: forinandout.exe is a semi-random filename. It first shows up in the folder where the installer was executed.
It gets a different name and location each time the IAPro.exe process is killed.

Alterations made by the installer:

File System
  ===============
	In the existing folder C:\Documents and Settings\All Users\Desktop
	  Adds the file Internet Antivirus Pro.lnk = 15:44 08/12/09 631 bytes
	Adds the folder C:\Documents and Settings\All Users\Start Menu\Programs\Internet Antivirus Pro
	  Adds the file Internet Antivirus Pro Home Page.lnk = 15:44 08/12/09 1569 bytes
	  Adds the file Purchase License.lnk = 15:44 08/12/09 1537 bytes
	  Adds the file Internet Antivirus Pro.lnk = 15:44 08/12/09 643 bytes
	Adds the folder C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro
	  Adds the file settings.ini = 15:55 08/12/09 339 bytes
	  Adds the file Uninstall  Internet Antivirus Pro.lnk = 15:44 08/12/09 1580 bytes
	  Adds the file unins000.exe = 15:44 08/12/09 756058 bytes
	  Adds the file uill.ini = 15:44 08/12/09 47 bytes
	Adds the folder C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\db
	  Adds the file Timeout.inf = 14:03 27/11/09 589 bytes
	  Adds the file Urls.inf = 19:30 30/11/09 3803 bytes
	  Adds the file config.cfg = 15:56 08/12/09 1849 bytes
	Adds the folder C:\Documents and Settings\{username}\Application Data\Microsoft\Windows
	  Adds the file winlogon.exe = 15:44 08/12/09 28672 bytes
	In the existing folder C:\Documents and Settings\{username}\Application Data\Microsoft\Internet Explorer\Quick Launch
	  Adds the file Internet Antivirus Pro.lnk = 15:44 08/12/09 649 bytes
	In the existing folder C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Credentials
	  Adds the file theatatin.exe = 15:07 08/12/09 124928 bytes
	In the existing folder C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Credentials\S-1-5-21-220523388-484763869-1957994488-1003
	  Adds the file onin.exe = 15:07 08/12/09 124928 bytes
	In the existing folder C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Windows
	  Adds the file log.txt = 15:55 08/12/09 2909 bytes
	  Adds the file pguard.ini = 15:55 08/12/09 168 bytes
	  Adds the file services.exe = 15:07 08/12/09 195584 bytes
	In the existing folder C:\Documents and Settings\{username}\My Documents\downloads\tun235
	  Adds the file ia091024r.db.exe = 15:07 08/12/09 27648 bytes
	Adds the folder C:\Program Files\Internet Antivirus Pro
	  Adds the file working.log = 15:56 08/12/09 43111 bytes
	  Adds the file uninstall.ico = 19:01 21/11/08 33438 bytes
	  Adds the file IAPro.exe = 15:07 08/12/09 1576960 bytes
	  Adds the file Explorer.ico = 19:01 21/11/08 33438 bytes
	  Adds the file activate.ico = 19:01 21/11/08 33438 bytes
	  Adds the file unins000.dat = 15:44 08/12/09 9409 bytes
	Adds the folder C:\Program Files\Internet Antivirus Pro\db
	  Adds the file WMILib.dll = 14:31 24/09/09 414720 bytes
	  Adds the file lists.ini = 15:07 08/12/09 8097 bytes
	  Adds the file ia080614.db = 19:01 21/11/08 2037 bytes
	  Adds the file DBInfo.ver = 15:07 08/12/09 83 bytes
	Adds the folder C:\Program Files\Internet Antivirus Pro\Languages
	  Adds the file IAIt.lng = 21:10 27/01/09 53100 bytes
	  Adds the file IAGer.lng = 21:10 27/01/09 50268 bytes
	  Adds the file IAFr.lng = 21:10 27/01/09 53116 bytes
	  Adds the file IAEs.lng = 21:10 27/01/09 52856 bytes
	In the existing folder C:\Program Files\Common Files
	  Adds the file 146302char.exe = 15:44 08/12/09 28672 bytes
	  Adds the file 418524calc.exe = 15:44 08/12/09 2432971 bytes

  Registry
  ===============
	[HKEY_CLASSES_ROOT\Software\Microsoft\MediaPlayer]
	  "DefaultID"="1"
	  "PluginPath"="C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Credentials\theatatin.exe"
	  "SecureLogin"="ia091024r.db"

	[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\567 1.4.2.0_is1]
	  "InstallDate"=""20091208"
	  "NoRepair"="1"
	  "NoModify"="1"
	  "DisplayVersion"=""1.4.2.0"
	  "QuietUninstallString"=""c:\program files\Internet Antivirus Pro\unins000.exe" /SILENT"
	  "UninstallString"="c:\program files\Internet Antivirus Pro\unins000.exe""
	  "DisplayIcon"="c:\program files\Internet Antivirus Pro\IAPro.exe"
	  "DisplayName"="Internet Antivirus Pro (1.4.2.0)"
	  "Inno Setup: Deselected Tasks"=""
	  "Inno Setup: Selected Tasks"="desktopicon,quicklaunchicon"
	  "Inno Setup: User"="{username}"
	  "Inno Setup: Icon Group"="Internet Antivirus Pro"
	  "InstallLocation"="c:\program files\Internet Antivirus Pro\"
	  "Inno Setup: App Path"="c:\program files\Internet Antivirus Pro"
	  "Inno Setup: Setup Version"="5.2.3"

	[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Internet Antivirus Pro_is1]

	[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe]
	  "Debugger"="?"
	  "RealDebugger"=""

	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_HTGRDENGINE
	  "NextInstance"="1"

	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_HTGRDENGINE\0000]
	  "DeviceDesc"="Guard Service"
	  "ClassGUID"="{8ECC055D-047F-11D1-A537-0000F8753ED1}"
	  "Class"="LegacyDriver"
	  "ConfigFlags"="0
	  "Legacy"="1
	  "Service"="HTGrdEngine"

	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_HTGRDENGINE\0000\Control]
	  "ActiveService"="HTGrdEngine"

	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTGrdEngine]
	  "ObjectName"="LocalSystem"
	  "DisplayName"="Guard Service"
	  "ImagePath"="C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Windows\services.exe"
	  "ErrorControl"="1"
	  "Start"="2"
	  "Type"="16"

	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTGrdEngine\Enum
	  "NextInstance"="1"
	  "Count"="1"
	  "0"="Root\LEGACY_HTGRDENGINE\0000"

	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTGrdEngine\Security]
	  "Security"="................0"

	[HKEY_CURRENT_USER\Software\Classes\Software\Microsoft\MediaPlayer
	  "DefaultID"="1"
	  "PluginPath"=""C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Credentials\theatatin.exe"
	  "SecureLogin"=""ia091024r.db"

	[HKEY_CURRENT_USER\Software\Microsoft\FTP]
	  "SearchDir"="C:\program files\Internet Antivirus Pro\"

	[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer]
	  "LinesCount"="C:\WINDOWS\System32\spool\PRTPROCS\W32X86\830203.dll"
	  "locale"="usa"
	  "num"="3"
	  "pid"="1324"
	  "PluginPath"="C:\WINDOWS\system32\995960.dll"
	  "popup2"="0"
	  "prob"=".......@"
	  "prob1"="60"
	  "prob2"="50"
	  "probRedir"="60"
	  "PrS"="http://payment-av.com/choose/?productid=IAPRO3&uid=164&machineid=4aa73385d58f97b38dd3b1f0eaee2893"
	  "subscriber"="65752"
	  "uid"="164"
	  "uniname"="Internet Antivirus Pro_is1"

	[HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Preferences]
	  "AddonTemplatesCount"="C:\Documents and Settings\{username}\My Documents\downloads\tun235\ia091024r.db.exe"
	  "AddonTemplatesDir"="C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Credentials\S-1-5-21-220523388-484763869-1957994488-1003\onin.exe"

	[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run]
	  "ia091024r.db"=""C:\Documents and Settings\{username}\My Documents\downloads\tun235\ia091024r.db.exe""

	[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
	  "Internet Antivirus Pro"=""C:\program files\Internet Antivirus Pro\IAPro.exe" /s "
	  "Microsoft Windows logon process"="C:\Documents and Settings\{username}\Application Data\Microsoft\Windows\winlogon.exe"

Malwarebytes' Anti-Malware log:

Malwarebytes' Anti-Malware 1.42
Database version: 3303
Windows 5.1.2600 Service Pack 2
Internet Explorer 6.0.2900.2180

12/8/2009 4:04:09 PM
mbam-log-2009-12-08 (16-04-09).txt

Scan type: Quick Scan
Objects scanned: 91559
Time elapsed: 2 minute(s), 40 second(s)

Memory Processes Infected: 4
Memory Modules Infected: 0
Registry Keys Infected: 2
Registry Values Infected: 8
Registry Data Items Infected: 0
Folders Infected: 6
Files Infected: 33

Memory Processes Infected:
C:\program files\Internet Antivirus Pro\IAPro.exe (Rogue.InternetAntiVirus) -> Unloaded process successfully.
C:\Documents and Settings\{username}\Application Data\Microsoft\Windows\winlogon.exe (Trojan.Agent) -> Unloaded process successfully.
C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Credentials\theatatin.exe (Trojan.Agent) -> Unloaded process successfully.
C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Windows\services.exe (Trojan.FakeAlert) -> Unloaded process successfully.

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\htgrdengine (Trojan.FakeAlert) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Internet AntiVirus Pro_is1 (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\internet antivirus pro (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsoft windows logon process (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\uniname (Trojan.FakeAlert) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ia091024r.db (Trojan.FakeAlert) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\MediaPlayer\Preferences\addontemplatesdir (Rogue.InternetAntivirus) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\FTP\searchdir (Rogue.InternetAV) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\prs (Rogue.InternetAV) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\MediaPlayer\Preferences\addontemplatescount (Rogue.InternetAV) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\db (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\db (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\Languages (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Start Menu\Programs\Internet Antivirus Pro (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.

Files Infected:
C:\Program Files\Common Files\418524calc.exe (Rogue.Installer) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Local Settings\Temporary Internet Files\Content.IE5\OLEJCL2B\Ipack[1].jpg (Rogue.Installer) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\uill.ini (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\unins000.exe (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\Uninstall  Internet Antivirus Pro.lnk (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\settings.ini (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\db\config.cfg (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\db\Urls.inf (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Internet Antivirus Pro\db\Timeout.inf (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\unins000.dat (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\activate.ico (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\Explorer.ico (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\IAPro.exe (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\uninstall.ico (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\working.log (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\db\DBInfo.ver (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\db\ia080614.db (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\db\lists.ini (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\db\WMILib.dll (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\Languages\IAEs.lng (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\Languages\IAFr.lng (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\Languages\IAGer.lng (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Program Files\Internet Antivirus Pro\Languages\IAIt.lng (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Start Menu\Programs\Internet Antivirus Pro\Internet Antivirus Pro.lnk (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Start Menu\Programs\Internet Antivirus Pro\Purchase License.lnk (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Start Menu\Programs\Internet Antivirus Pro\Internet Antivirus Pro Home Page.lnk (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Microsoft\Windows\winlogon.exe (Trojan.Agent) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Desktop\Internet Antivirus Pro.lnk (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Application Data\Microsoft\Internet Explorer\Quick Launch\Internet Antivirus Pro.lnk (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Credentials\theatatin.exe (Trojan.Agent) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Windows\pguard.ini (Rogue.InternetAntiVirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Local Settings\Application Data\Microsoft\Windows\services.exe (Trojan.FakeAlert) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\My Documents\downloads\tun235\ia091024r.db.exe (Trojan.FakeAlert) -> Delete on reboot.

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.

Edited by Metallica, 03 February 2010 - 01:01 PM.

#1
Metallica

Posted 30 January 2010 - 04:18 AM

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