What is Master Utilities?
Master Utilities is a fake system security software that is considered as a Rogue. Rogues are malicious programs that hackers use to trick users by displaying false threats and problems that it claims to have detected. In reality, none of the issues are real and are only used to convince the user into buying their software and stealing their personal financial information
Am I infected?
This a screenshots of this rogue.
master_utilities_fake.jpg (Size: 18.84 KB / Downloads: 23)
Removal Instructions
(If you experience any problems completing these instructions, please start a new thread here)
1. Restart your computer. As soon as your computer turns on, tap F8 until you reach the Advanced Boot Options. Use the arrow keys and select Safe Mode with Networking .
2. This rogue modifies your file system in such a way that all files and folders become hidden. Follow the bellow instruction in order to unhide the files and folders.
- Open the Command Prompt window by clicking the Start button, clicking All Programs, clicking Accessories, and then clicking Command Prompt.
Note:
Here’s another way to open a Command Prompt window: Click the Start button . In the Search box, type Command Prompt, and then, in the list of results, double-click Command Prompt.
- At the Command Prompt, enter : attrib -h /s /d and press Enter. Now, you should see all your files and folders.
Note: you may have to repeat this step because the malware may hide your files again
If you still can’t see any of your files,press the Windows logo key +R (Run command) and in the open field, write explorer and click Enter and OK.
3. Open Internet Explorer.Press the Windows logo key +R (Run command) and in the open field, write iexplore.exe and click Enter and OK.
4. Download and run RKill.
Download mirror 1 – Download mirror 2 – Download mirror 3
- Save it to your Desktop.
- Double click the RKill desktop icon.
- It will quickly run and launch a log. If it does not launch a log, try another download link until it does.
(This tools will kill the rogue’s process temporarily. As a result, act quickly and move on to the next step.
Do not reboot your computer after running RKill as the malware programs will start again. )
5. Download and run TDSSKiller.
- Download TDSSKiller.exe and save it on your desktop
- Before you can run TDSSKiller, you first need to rename it so that you can get it to run. To do this, right-click on the TDSSKiller.exe icon that should now be on your Desktop and select Rename. You can now edit the name of the file and should name it a random name with the .com extension. For example, azdt.com or qwerty.com.
- Once the file is renamed, double-click on it to launch it.
- TDSSKiller will now start and display the welcome screen as shown below.
- TDSSKiller will now scan your computer for the TDSS infection. When the scan has finished it will display a result screen stating whether or not the infection was found on your computer. If it was found it will display a screen similar to the one below.
- To remove the infection simply click on the Continue button and TDSSKiller will attempt to clean the infection.
- A reboot might require after disinfection.
6. Download Malwarebytes’ Anti-Malware to your desktop.
- Rename the file to firefox.exe BEFORE downloading
- Double-click firefox.exe and follow the prompts to install the program.
- At the end, be sure a checkmark is placed next to
- Update Malwarebytes’ Anti-Malware
- and 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 full scan, then click Scan.
- When the scan is complete, click OK, then Show Results to view the results.
- Be sure that everything is Checked (ticked) and click on Remove Selected.
- Reboot your computer if prompted.
Malwarebytes should completely remove this infection however you can also download other free anti-malware softwares from the list below and run a full system scan to make sure that your computer is clean.
7.As this infection changes your desktop background to a solid black color,you should change it back to default one.
Windows XP : Click on the Start button and then select Control Panel. When the Control Panel opens, please click on the Display icon. From this screen you can now change your Theme and desktop background.
Windows 7 : Click on the Start button and then select Control Panel. When the Control Panel opens, please click on the Appearance and Personalization category. Then select Change the Theme or Change Desktop Background to revert back to your original Theme and colors.
If you are still experiencing problems on your machine, please start a new thread here.
How was I infected?
- Rogues can get on to computers without the user’s consent through Drive-by downloads. When a user visits a compromised or infected website, the site immediately checks for any security vulnerabilities on the machine to inject the malicious code.
- Peer-to-peer (P2P) programs utorrent, Limewire, and Kazaa are frequently used by hackers to distribute malware
- Hackers can also trick the user into downloading a file, saying it is a legitimate file needed to view a video or pictures.
How can I prevent these infections?
1. Keep Your System Updated
- Microsoft releases patches for Windows and Office products regularly to patch up Windows and Office product bugs and vulnerabilities. Please ensure you update your system regularly.
To update Windows and Office
1. Go to Start > Control Panel > Automatic Updates
2. Select Automatic (recommended) if you want the updates to be downloaded and installed without prompting you.
3. Select Download updates for me, but let me choose when to install them button if you want the updates to be downloaded automatically but to be installed at another time.
To manually update Windows,
-
Start Internet Explorer. Go to Tools > Windows Update
2. Keep your Antivirus up-to-date
Make sure that you update your antivirus, firewall and anti-spyware programs regularly. If you don’t have an antivirus, download any one of the following:
- Avira AntiVir Personal– Free anti-virus software for Windows. Detects and removes more than 50000 viruses. Free support.
- avast! 5 Home Edition – Anti-virus program for Windows. The home edition is freeware for noncommercial users.
- Microsoft Security Essentials – Free anti-virus program for Windows.
3. Avoid Peer-to-peer programs
- Peer-to-peer programs are legitimate but the files shared are extremely dangerous. Hackers often use fake file names to trick users into downloading malware.
4. Switch your browser
- Firefox is a more secure, faster browser than Internet Explorer. Firefox contains less vulnerabilities, reducing the risk of drive-by downloads.
- Google Chrome is another good browser that is faster and more secure than Internet Explorer.
5. Read our other “Security Tips”
Tehnical details :
Associated files and registry values:
File System
===============
%LocalAppData%\
%LocalAppData%\.exe
%LocalAppData%\~
%LocalAppData%\~
%StartMenu%\Programs\Master Utilities\
%StartMenu%\Programs\Master Utilities\Master Utilities.lnk
%StartMenu%\Programs\Master Utilities\Uninstall Master Utilities.lnk
%Temp%\smtmp\
%Temp%\smtmp\1
%Temp%\smtmp\1
%Temp%\smtmp\2
%Temp%\smtmp\3
%Temp%\smtmp\4
%UserProfile%\Desktop\Master Utilities.lnk
Registry values:
===============================================================
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main "Use FormSuggest" = 'Yes'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings "CertificateRevocation" = '0'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings "WarnonBadCertRecving" = '0'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop "NoChangingWallPaper" = '1'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations "LowRiskFileTypes" = '/{hq:/s`s:/ogn:/uyu:/dyd:/c`u:/bnl:/ble:/sdf:/lrh:/iul:/iulm:/fhg:/clq:/kqf:/`wh:/lqf:/lqdf:/lnw:/lq2:/l2t:/v`w:/rbs:'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments "SaveZoneInformation" = '1'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer "NoDesktop" = '1'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System "DisableTaskMgr" = '1'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ".exe"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run " "
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system "DisableTaskMgr" = '1'
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download "CheckExeSignatures" = 'no'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced "Hidden" = '0'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced "ShowSuperHidden" = '0'
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\LastVisitedMRU "MRUList"