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Removal instructions for PC Bug Finder Pro

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What is PC Bug Finder Pro?

The Malwarebytes research team has determined that PC Bug Finder 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 PC Bug Finder Pro?

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

main.png

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

icons.png

And see these warnings:

warning1.png

warning2.png

warning3.png

How did PC Bug Finder Pro get on my computer?

Rogue programs use different methods for spreading themselves. This particular one uses a fake on-line scanner.

trick.png

How do I remove PC Bug Finder 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 PC Bug Finder Pro?

  • No, Malwarebytes' Anti-Malware removes PC Bug Finder Pro 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 PC Bug Finder 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.

protection1.png

Technical details for experts

Signs in a HijackThis log:

C:\PROGRA~1\PCBUGF~1\PCBugFinderPro.exe

Alterations made by the installer:

  File System
  ===============
	Adds the folder C:\Documents and Settings\All Users\Start Menu\Programs\PC Bug Finder Pro v1.0
	  Adds the file Remove PC Bug Finder Pro v1.0.lnk"="09:57 22/03/10 609 bytes
	  Adds the file PC Bug Finder Pro v1.0.lnk"="09:57 22/03/10 702 bytes
	In the existing folder C:\Documents and Settings\{username}\Desktop
	  Adds the file PC Bug Finder Pro v1.0.lnk"="09:57 22/03/10 690 bytes
	Adds the folder C:\Program Files\PCBugFinderPro
	  Adds the file uninstal.log"="09:57 22/03/10 1790 bytes
	  Adds the file PCBugFinderPro.exe"="12:09 25/08/08 1912832 bytes
	In the existing folder C:\WINDOWS
	  Adds the file unvise32.exe"="10:13 17/12/99 86016 bytes
	In the existing folder C:\WINDOWS\system32
	  Adds the file COMDLG32.OCX"="06:30 09/03/04 152848 bytes
	  Adds the file mscomctl.ocx"="23:28 15/04/05 1071088 bytes
	  Alters the file msvbvm60.dll
		13:00 28/02/06 1392671 bytes ==> 09:12 24/02/04 1386496 bytes

  Registry
  ===============
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageComboCtl]
	  "(Default)"="'Microsoft ImageComboBox Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageComboCtl\CurVer]
	  "(Default)"="'MSComctlLib.ImageComboCtl.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageComboCtl\CLSID]
	  "(Default)"="'{DD9DA666-8594-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageComboCtl.2]
	  "(Default)"="'Microsoft ImageComboBox Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageComboCtl.2\CLSID]
	  "(Default)"="'{DD9DA666-8594-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageListCtrl]
	  "(Default)"="'Microsoft ImageList Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageListCtrl\CurVer]
	  "(Default)"="'MSComctlLib.ImageListCtrl.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageListCtrl\CLSID]
	  "(Default)"="'{2C247F23-8591-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageListCtrl.2]
	  "(Default)"="'Microsoft ImageList Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ImageListCtrl.2\CLSID]
	  "(Default)"="'{2C247F23-8591-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ListViewCtrl]
	  "(Default)"="'Microsoft ListView Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ListViewCtrl\CurVer]
	  "(Default)"="'MSComctlLib.ListViewCtrl.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ListViewCtrl\CLSID]
	  "(Default)"="'{BDD1F04B-858B-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ListViewCtrl.2]
	  "(Default)"="'Microsoft ListView Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ListViewCtrl.2\CLSID]
	  "(Default)"="'{BDD1F04B-858B-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ProgCtrl]
	  "(Default)"="'Microsoft ProgressBar Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ProgCtrl\CurVer]
	  "(Default)"="'MSComctlLib.ProgCtrl.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ProgCtrl\CLSID]
	  "(Default)"="'{35053A22-8589-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ProgCtrl.2]
	  "(Default)"="'Microsoft ProgressBar Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.ProgCtrl.2\CLSID]
	  "(Default)"="'{35053A22-8589-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.SBarCtrl]
	  "(Default)"="'Microsoft StatusBar Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.SBarCtrl\CurVer]
	  "(Default)"="'MSComctlLib.SBarCtrl.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.SBarCtrl\CLSID]
	  "(Default)"="'{8E3867A3-8586-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.SBarCtrl.2]
	  "(Default)"="'Microsoft StatusBar Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.SBarCtrl.2\CLSID]
	  "(Default)"="'{8E3867A3-8586-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Slider]
	  "(Default)"="'Microsoft Slider Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Slider\CurVer]
	  "(Default)"="'MSComctlLib.Slider.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Slider\CLSID]
	  "(Default)"="'{F08DF954-8592-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Slider.2]
	  "(Default)"="'Microsoft Slider Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Slider.2\CLSID]
	  "(Default)"="'{F08DF954-8592-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TabStrip]
	  "(Default)"="'Microsoft TabStrip Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TabStrip\CurVer]
	  "(Default)"="'MSComctlLib.TabStrip.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TabStrip\CLSID]
	  "(Default)"="'{1EFB6596-857C-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TabStrip.2]
	  "(Default)"="'Microsoft TabStrip Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TabStrip.2\CLSID]
	  "(Default)"="'{1EFB6596-857C-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Toolbar]
	  "(Default)"="'Microsoft Toolbar Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Toolbar\CurVer]
	  "(Default)"="'MSComctlLib.Toolbar.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Toolbar\CLSID]
	  "(Default)"="'{66833FE6-8583-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Toolbar.2]
	  "(Default)"="'Microsoft Toolbar Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.Toolbar.2\CLSID]
	  "(Default)"="'{66833FE6-8583-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TreeCtrl]
	  "(Default)"="'Microsoft TreeView Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TreeCtrl\CurVer]
	  "(Default)"="'MSComctlLib.TreeCtrl.2'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TreeCtrl\CLSID]
	  "(Default)"="'{C74190B6-8589-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TreeCtrl.2]
	  "(Default)"="'Microsoft TreeView Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComctlLib.TreeCtrl.2\CLSID]
	  "(Default)"="'{C74190B6-8589-11D1-B16A-00C0F0283628}'"
	[HKEY_CLASSES_ROOT\MSComDlg.CommonDialog]
	  "(Default)"="'Microsoft Common Dialog Control, version 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComDlg.CommonDialog\CurVer]
	  "(Default)"="'MSComDlg.CommonDialog.1'"
	[HKEY_CLASSES_ROOT\MSComDlg.CommonDialog\CLSID]
	  "(Default)"="'{F9043C85-F6F2-101A-A3C9-08002B2F49FB}'"
	[HKEY_CLASSES_ROOT\MSComDlg.CommonDialog.1]
	  "(Default)"="'Microsoft Common Dialog Control, version 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\MSComDlg.CommonDialog.1\CLSID]
	  "(Default)"="'{F9043C85-F6F2-101A-A3C9-08002B2F49FB}'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}]
	  "(Default)"="'Microsoft TabStrip Control 6.0 (SP6)'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\VersionIndependentProgID]
	  "(Default)"="'MSComctlLib.TabStrip'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Version]
	  "(Default)"="'2.0'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\TypeLib]
	  "(Default)"="'{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\ToolboxBitmap32]
	  "(Default)"="'C:\WINDOWS\system32\mscomctl.ocx, 10'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Programmable]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\ProgID]
	  "(Default)"="'MSComctlLib.TabStrip.2'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\MiscStatus]
	  "(Default)"="'0'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\MiscStatus\1]
	  "(Default)"="'131473'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\InprocServer32]
	  "ThreadingModel"="'Apartment'"
	  "(Default)"="'C:\WINDOWS\system32\mscomctl.ocx'"
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Implemented Categories]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Implemented Categories\{40FC6ED4-2438-11CF-A3DB-080036F12502}]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Implemented Categories\{0DE86A57-2BAA-11CF-A229-00AA003D7352}]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352}]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352}]
	[HKEY_CLASSES_ROOT\CLSID\{1EFB6596-857C-11D1-B16A-00C0F0283628}\Control]
< snipped since this procedure is repeated for each involved CLSID>
	[HKEY_CLASSES_ROOT\Interface\{F08DF952-8592-11D1-B16A-00C0F0283628}
	  "(Default)"="'ISlider'
	[HKEY_CLASSES_ROOT\Interface\{F08DF952-8592-11D1-B16A-00C0F0283628}\TypeLib
	  "Version"="'2.0'
	  "(Default)"="'{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}'
	[HKEY_CLASSES_ROOT\Interface\{F08DF952-8592-11D1-B16A-00C0F0283628}\ProxyStubClsid32
	  "(Default)"="'{00020424-0000-0000-C000-000000000046}'
	[HKEY_CLASSES_ROOT\Interface\{F08DF952-8592-11D1-B16A-00C0F0283628}\ProxyStubClsid
	  "(Default)"="'{00020424-0000-0000-C000-000000000046}'
	[HKEY_CLASSES_ROOT\Interface\{F08DF953-8592-11D1-B16A-00C0F0283628}
	  "(Default)"="'ISliderEvents'
	[HKEY_CLASSES_ROOT\Interface\{F08DF953-8592-11D1-B16A-00C0F0283628}\TypeLib
	  "Version"="'2.0'
	  "(Default)"="'{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}'
< snipped since this procedure is repeated for each involved CLSID>
	[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Bug Finder Pro v1.0]
	  "UninstallString"="'C:\WINDOWS\unvise32.exe C:\Program Files\PCBugFinderPro\uninstal.log'"
	  "DisplayName"="'PC Bug Finder Pro v1.0'"
	[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\Results]
	[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\Results\Detect]
	  "LastError"="0"

Malwarebytes' Anti-Malware log:

Malwarebytes' Anti-Malware 1.44
Database version: 3898
Windows 5.1.2600 Service Pack 2
Internet Explorer 6.0.2900.2180

3/22/2010 10:06:16 AM
mbam-log-2010-03-22 (10-06-16).txt

Scan type: Quick Scan
Objects scanned: 106217
Time elapsed: 2 minute(s), 27 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 1
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 2
Files Infected: 5

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\pc bug finder pro v1.0 (Rogue.PCBugFinder) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
C:\Program Files\PCBugFinderPro (Rogue.PCBugFinder) -> Delete on reboot.
C:\Documents and Settings\All Users\Start Menu\Programs\PC Bug Finder Pro v1.0 (Rogue.PCBugFinder) -> Quarantined and deleted successfully.

Files Infected:
C:\Program Files\PCBugFinderPro\PCBugFinderPro.exe (Rogue.PCBugFinder) -> Delete on reboot.
C:\Program Files\PCBugFinderPro\uninstal.log (Rogue.PCBugFinder) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Start Menu\Programs\PC Bug Finder Pro v1.0\PC Bug Finder Pro v1.0.lnk (Rogue.PCBugFinder) -> Quarantined and deleted successfully.
C:\Documents and Settings\All Users\Start Menu\Programs\PC Bug Finder Pro v1.0\Remove PC Bug Finder Pro v1.0.lnk (Rogue.PCBugFinder) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Desktop\PC Bug Finder Pro v1.0.lnk (Rogue.PCBugFinder) -> 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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