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Removal instructions for MainPrivacy

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What is MainPrivacy?

The Malwarebytes research team has determined that MainPrivacy 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 MainPrivacy?

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 these warnings:






How did MainPrivacy get on my computer?

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

How do I remove MainPrivacy?

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 MainPrivacy?

  • The shortcut called ���������̹��� on the desktop can be deleted if it belonged to the rogue. If you are unsure, compare the icon to the one 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 MainPrivacy 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\MainPrivacy\MainPrivacy.exe
C:\Program Files\MainPrivacy\MainPrivacyMon.exe

O4 - HKLM\..\Run: [MainPrivacy] "C:\Program Files\MainPrivacy\MainPrivacy.exe" /run1

Alterations made by the installer:

File System
In the existing folder C:\Documents and Settings\All Users\Desktop
Adds the file ���������̹���.lnk"="09:59 27/08/11 718 bytes
Adds the folder C:\Documents and Settings\All Users\Start Menu\Programs\���������̹���
Adds the file ���������̹���.lnk"="09:59 27/08/11 730 bytes
Adds the file ���������̹��� ����.lnk"="09:59 27/08/11 527 bytes
Adds the folder C:\Program Files\MainPrivacy
Adds the file uninst.exe"="09:59 27/08/11 98703 bytes
Adds the file MainPrivacyMon.exe"="09:35 25/04/11 786432 bytes
Adds the file MainPrivacycfg.exe"="09:15 25/04/11 1892352 bytes
Adds the file MainPrivacy.exe"="09:34 25/04/11 5206528 bytes

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\MainPrivacy.exe]
"(Default)"="'C:\Program Files\MainPrivacy\MainPrivacy.exe'"
"MainPrivacy"="'"C:\Program Files\MainPrivacy\MainPrivacy.exe" /run1'"
"DisplayIcon"="'C:\Program Files\MainPrivacy\MainPrivacy.exe'"
"UninstallString"="'C:\Program Files\MainPrivacy\uninst.exe'"

Malwarebytes' Anti-Malware log:

Malwarebytes' Anti-Malware

Database version: 7586

Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

8/27/2011 10:13:43 AM
mbam-log-2011-08-27 (10-13-43).txt

Scan type: Quick scan
Objects scanned: 141822
Time elapsed: 1 minute(s), 3 second(s)

Memory Processes Infected: 2
Memory Modules Infected: 0
Registry Keys Infected: 4
Registry Values Infected: 1
Registry Data Items Infected: 0
Folders Infected: 1
Files Infected: 5

Memory Processes Infected:
c:\program files\mainprivacy\mainprivacy.exe (Rogue.MainPrivacy) -> 468 -> Unloaded process successfully.
c:\program files\mainprivacy\mainprivacymon.exe (Rogue.MainPrivacy) -> 432 -> Unloaded process successfully.

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\MainPrivacy (Rogue.MainPrivacy) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\MainPrivacy (Rogue.MainPrivacy) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\MainPrivacyPartner (Rogue.MainPrivacy) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\MainPrivacy.exe (Rogue.MainPrivacy) -> Quarantined and deleted successfully.

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

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
c:\program files\mainprivacy (Rogue.MainPrivacy) -> Quarantined and deleted successfully.

Files Infected:
c:\program files\mainprivacy\mainprivacy.exe (Rogue.MainPrivacy) -> Quarantined and deleted successfully.
c:\program files\mainprivacy\mainprivacymon.exe (Rogue.MainPrivacy) -> Quarantined and deleted successfully.
c:\documents and settings\{username}\Desktop\mainprivacy2010.exe (Rogue.MainPrivacy) -> Quarantined and deleted successfully.
c:\program files\mainprivacy\mainprivacycfg.exe (Rogue.MainPrivacy) -> Quarantined and deleted successfully.
c:\program files\mainprivacy\uninst.exe (Rogue.MainPrivacy) -> 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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