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[Metallica]

Content is republished with permission from Malwarebytes.

What is ClearPC?

The Malwarebytes research team has determined that ClearPC 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 ClearPC?

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 ClearPC get on my computer?

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

How do I remove ClearPC?

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 ClearPC?

• No, Malwarebytes' Anti-Malware removes ClearPC 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 ClearPC 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\Clear2PC\Clear2PC.exe

O4 - HKCU\..\Run: [Clear2PC] C:\Program Files\Clear2PC\Clear2PCLaunch.exe

Alterations made by the installer:

  File System
  ===============
    Adds the folder C:\Documents and Settings\{username}\Start Menu\Programs\Clear2PC
      Adds the file ???????.lnk"="10:17 29/06/11 1562 bytes
      Adds the file Clear2PC.lnk"="10:17 29/06/11 724 bytes
    Adds the folder C:\Program Files\Clear2PC
      Adds the file uninst.exe"="10:17 29/06/11 55666 bytes
      Adds the file logo.ico"="14:08 28/06/09 18902 bytes
      Adds the file Clear2PCUp.exe"="06:40 14/11/09 323584 bytes
      Adds the file Clear2PCLaunch.exe"="06:45 14/11/09 159744 bytes
      Adds the file Clear2PC.url"="10:17 29/06/11 47 bytes
      Adds the file Clear2PC.exe"="05:39 25/08/10 2686976 bytes
    Adds the folder C:\Program Files\Clear2PC\Self
      Adds the file Clear2PCUp.exe"="10:17 29/06/11 60250 bytes
    Adds the folder C:\Program Files\Clear2PC\data
      Adds the file [dr]2011_06_29_10"="10:18 29/06/11 2440 bytes
      Adds the file undeleted_reg.dat"="10:17 29/06/11 0 bytes
      Adds the file undeleted_folder.dat"="10:17 29/06/11 0 bytes
      Adds the file undeleted_file.dat"="10:17 29/06/11 0 bytes
      Adds the file dt.cab"="08:42 09/08/10 1720248 bytes
    Adds the folder C:\Program Files\Clear2PC\log
      Adds the file 2011062900_reg.dat"="10:17 29/06/11 0 bytes
      Adds the file 2011062900_name.dat"="10:17 29/06/11 0 bytes
      Adds the file 2011062900_folder.dat"="10:17 29/06/11 0 bytes
      Adds the file 2011062900_files.dat"="10:17 29/06/11 0 bytes
      Adds the file 2011062900_all.dat"="10:17 29/06/11 206 bytes


  Registry
  ===============
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Clear2PCUp.exe]
      "(Default)"="'C:\Program Files\Clear2PC\Clear2PCUp.exe'"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Clear2PC]
      "Publisher"="'Clear2PC'"
      "URLInfoAbout"="'http://clear-pc.pe.kr'"
      "DisplayVersion"="'1.0'"
      "DisplayIcon"="'C:\Program Files\Clear2PC\Clear2PCUp.exe'"
      "UninstallString"="'C:\Program Files\Clear2PC\uninst.exe'"
      "DisplayName"="'Clear2PC 1.0'"
    [HKEY_CURRENT_USER\Software\Clear2PC]
      "countdate"="'20110629'"
      "partner"="'Clear2PC'"
      "uselog"="'y'"
      "usebackup"="'y'"
      "autosearch"="'y'"
      "instdir"="'C:\Program Files\Clear2PC'"
    [HKEY_CURRENT_USER\Software\Clear2PC\files]
      "dt.cab"="'1.7'"
      "Clear2PC.exe"="'1.4'"
      "Clear2PCUp.exe"="'1.0'"
      "Clear2PCLaunch.exe"="'1.0'"
    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
      "Clear2PC"="'C:\Program Files\Clear2PC\Clear2PCLaunch.exe'"

Malwarebytes' Anti-Malware log:

Malwarebytes' Anti-Malware 1.51.0.1200
www.malwarebytes.org

Database version: 6974

Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

6/29/2011 10:29:32 AM
mbam-log-2011-06-29 (10-29-32).txt

Scan type: Quick scan
Objects scanned: 133421
Time elapsed: 3 minute(s), 18 second(s)

Memory Processes Infected: 1
Memory Modules Infected: 0
Registry Keys Infected: 1
Registry Values Infected: 1
Folders Infected: 5
Files Infected: 20

Memory Processes Infected:
c:\program files\Clear2PC\Clear2PC.exe (Rogue.Clear2PC.K) -> 1696 -> Unloaded process successfully.

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Clear2PC (Rogue.Clear2PC) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Clear2PC (Rogue.Clear2PC.K) -> Value: Clear2PC -> Quarantined and deleted successfully.

Folders Infected:
c:\program files\Clear2PC (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\data (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\log (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\Self (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\documents and settings\{username}\start menu\Programs\Clear2PC (Rogue.Clear2PC.K) -> Quarantined and deleted successfully.

Files Infected:
c:\program files\Clear2PC\Clear2PC.exe (Rogue.Clear2PC.K) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\clear2pclaunch.exe (Rogue.Clear2PC.K) -> Quarantined and deleted successfully.
c:\documents and settings\{username}\Desktop\clear2pcsetup.exe (Rogue.Installer) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\Clear2PC.url (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\clear2pcup.exe (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\logo.ico (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\uninst.exe (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\data\dt.cab (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\data\undeleted_file.dat (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\data\undeleted_folder.dat (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\data\undeleted_reg.dat (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\data\[dr]2011_06_29_10 (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\log\2011062900_all.dat (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\log\2011062900_files.dat (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\log\2011062900_folder.dat (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\log\2011062900_name.dat (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\log\2011062900_reg.dat (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\program files\Clear2PC\Self\clear2pcup.exe (Rogue.Clear2PC) -> Quarantined and deleted successfully.
c:\documents and settings\{username}\start menu\Programs\Clear2PC\Clear2PC.lnk (Rogue.Clear2PC.K) -> Quarantined and deleted successfully.
c:\documents and settings\{username}\start menu\Programs\Clear2PC\???????.lnk (Rogue.Clear2PC.K) -> 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.